Music box anti-falling base

The utility model discloses an anti-falling base of a music box. Music box, fixing blocks are fixedly installed at the two ends of the music box. The music box is sleeved in the shell in a sliding manner; the shell is fixedly connected with the music box through a positioning pin; grooves are reserved in the two ends of the fixing block. The positioning pin penetrates through the shell and is connected with the groove in a sliding manner; a first spring is welded and fixed in the positioning pin; the right end of the first spring is welded and fixed to the surface of the shell. A base is arranged on the lower side of the shell. According to the portable music box, impact force generated by falling of the music box can be reduced through compression and shock absorption of the second springs, the music box is prevented from being damaged, and the music box is convenient to disassemble and carry through matching of pin holes of positioning pins.

Molecular marking method for indica-japonica segment substitution of fertility loci of indica-japonica hybrid

The invention provides a molecular marking method for indica-japonica fragment substitution of fertility loci of an indica-japonica hybrid, which belongs to the field of molecular genetics. Molecular marker primers RMz 5, RMz7, RMz8 and RMz9 which are developed and designed by the invention amplify differential fragments at infertile loci of the indica-japonica hybrid, namely S5, S7, S8 and S9. Indica-japonica fragments can be substituted by molecular markers of the fertility gene loci; the required fragments can be precisely and quickly introduced; the selection efficiency of fragment substitution of the indica-japonica fertility loci is greatly improved, and a japonica type indica-compatible light and temperature-sensitive male sterile line 509S can be bred.

Wobbling doll music gift box

The utility model relates to a wobbling doll music gift box, stir the subassembly and set up including music gift box, support group spare, off -centre and stir the lever on subassembly top in off -centre, wherein the lever both ends be equipped with respectively public young, support group spare is located off -centre and stirs the subassembly left side, support group spare includes L type backup pad, and one side horizontally connect of the minor face bottom of a matter portion of this L type backup pad has the mounting panel, off -centre is stirred the subassembly and is included sound section of thick bamboo axle, eccentric disc, stirs the post, stirs board and support column. The utility model discloses a pivoted sound section of thick bamboo axle drives the eccentric disc and stirs the post rotatoryly, and the rotatory post of stirring drives and stirs the board and uses the axis of rotation to do the swing back and forth action as the centre of a circle, stirs the board and still ...

Rotating device in crystal ball music box

The utility model relates to a rotating device in crystal ball music box, package atress mechanism, casing, rotary mechanism, stirring mechanism and locking mechanism, atress mechanism and mixxing inside the mechanism all is located the casing wherein, and mix the mechanism and be located atress mechanism top, rotary mechanism pass the bottom mix mechanism and casing and with the atress fixed connection of mechanism, locking mechanism will mix the mechanism and rotary mechanism fixes on the casing. The utility model discloses an urging means drives the axis of rotation and rotates, rotatory axis of rotation drives the embellishment at supporting seat top and does the co -rotating motion with the axis of rotation, and at this in -process, rotate epaxial gear b pass through gear an and ring gear finally drive the fixed plate do with the different rotary motion of axis of rotation running direction, stirring rake on the so rotatory fixed plate then can mix the static luminous piece that is ...

Rice black-streaked dwarf virus (RBSDV) resistant locus qRBSDV9 of rice variety 9194 and molecular marker method thereof

The invention relates to a rice black-streaked dwarf virus (RBSDV) resistant locus qRBSDV9 of a rice variety 9194 and a molecular marker method thereof. Four RBSDV resistant genetic loci of the RBSDV resistant variety 9194 are obtained by carrying out genetic linkage analysis on the genotype of a single plant F2 obtained by hybridizing the RBSDV resistant rice variety 9194 (male) with a susceptible variety Suyunuo (female) and the RBSDV resistance grade of a corresponding F2:3 family, wherein qRBSDV9 is between a marker RM3912 and a marker RM257. The RBSDV resistance levels of the resistant variety 9194 and derived varieties (lines) thereof can be predicated and the selection efficiency of the RBSDV resistant rice can be greatly improved by detecting whether the resistant variety 9194 and the derived varieties (lines) thereof contain the RBSDV resistance genetic loci via the molecular markers of the RBSDV resistant genes.

Resource allocation method of D2D mode 2 communication

The invention provides a resource allocation method of D2D mode 2 communication. The method is a quasi-state resource allocation method, and that is to say, time division multiplexing grouping is carried out on users according to business priorities, a resource length is also determined, then according to frequency division multiplexing, numbering is carried out on users in one group, start positions of resources are allocated for the users, and finally the users finish data sending of corresponding resources. By adopting the method, resource conflicts are reduced, and the resource utilization rate is improved.

Transmission in music box

The utility model relates to a transmission in music box, including the support frame, bottom of a matter portion is vertical is equipped with the sleeve pipe a who runs through the support frame for one of them of this support frame length direction, and is provided with fixed frame bottom the other end, be equipped with the transmission shaft in the sleeve pipe a, this bottom end of transmission shaft is connected with drive mechanism, and its top is connected with the driving gear, lie in the still vertical sleeve pipe b who runs through the support frame that is equipped with of drive gear side on the support frame, and the sleeve pipe b who lies in support frame top goes up the overcoat and has a driven gear, the wheel gear mesh of driven gear's the teeth of a cogwheel and driving gear wherein, the driven gear top is equipped with solid fixed ring, and fixed ring's outer arc wall goes up and corresponds two sets of L types that are equipped with and stir the board admittedly, the L ...

Adjustable lens rack structure

The invention provides an adjustable lens rack structure which is composed of a lens frame, an adjusting base and a bottom board, wherein the lens frame and the adjusting base are located through a square groove and can slide in the opening direction of the square groove to be horizontally adjusted front and back, the adjusting base and the bottom board are located through a rotary shaft, the adjusting base can rotate around a shaft hole of the bottom board, and then the position of a lens can be adjusted. Two L-shaped symmetrical through grooves are formed in the side face of the adjusting base, the groove slot deformation is controlled by adjusting tightness of two screws, and pitching adjustment of the lens can be achieved. The bottom board is provided with a long-strip-shaped hole and can move horizontally. By means of the adjustable lens rack structure, two-dimensional angle adjustment of the lens can be achieved conveniently, two-dimensional angle adjustment is carried out in an orthogonal ...

Novel crystal ball music box

The utility model relates to a novel crystal ball music box, including the base and be located the crystal ball at base top, this crystal ball intussuseption is filled with liquid medium, the crystal ball bottom is located base open -top, and on the base inside wall and overlapping department between the crystal ball still circumference install a plurality of LED lamps, it has the bottom plate to bond on the opening of base bottom, and installs music gift box and group battery on the bottom plate top respectively, the last drive assembly that installs of music gift box, and be equipped with the runner assembly on the drive assembly, the runner assembly is located crystal ball, and its bottom overcoat has and prevent the excessive sealing washer of liquid in the crystal ball, the last cuboid display frame that still is equipped with of outer side wall of the base, be provided with the cavity of cuboid form in the middle of the display frame, still be equipped with the card fixation clamp ...

Molecule labelling method for soft rice gene locus with low-content of amylose

The invention provides a molecular marking method for low amylose content gene locus of Haopi of Yunnan softpanel rice variety, pertaining to molecular genetics field. The DNA of Haopi of Yunnan softpanel rice variety is increased by a marking primer dCAPs-SalI-hp and then restriction enzyme digestion is done with limited endonuclease SalI. If two fragments respectively with a length of 151bp and145bp can be obtained, the existence of low amylose content gene locus of Haopi of Yunnan softpanel rice variety is proved. The molecular marking for low amylose content gene locus of Haopi of Yunnansoftpanel rice variety is adopted to detect whether Haopi and derivative varieties thereof contain the gene locus and the method can predict the amylose content and greatly improve the efficiency of selection of rice with low amylose content.

Music crystal ball

The utility model relates to a music crystal ball, be provided with music gift box's ball seat and set up the crystal ball on the ball seat including inside, fill the flasher that has fluid medium and can wave in the wind among the crystal ball in the medium, be equipped with a plurality of crystal ball's of illuminating LED lamp on the ball seat inside wall, just a plurality of LED lamps are supplied power by the group battery that is located the ball seat bottom, be equipped with two -way rotating device in the crystal ball, and should two -way rotating device bottom overcoat have an interior stopper that prevents that liquid outflows in the crystal ball, two -way rotating device includes urging means, shell, driven gear, layer board, slewing mechanism and clamp plate, and wherein the layer board top is equipped with embellishment a, is equipped with embellishment b on the clamp plate, and this embellishment b is the vertical steel wire that is equipped with upward, the steel wire top ...

Music box rotating structure

The utility model discloses a music box rotating structure which comprises a base, a mounting base and a diffuser, a supporting column is arranged on the surface of the base, a positioning groove is formed in the surface of the supporting column, a motor is fixed to the surface of the base through bolts, and a gear is mounted on an output shaft of the motor. According to the music box rotating structure, firstly, a motor drives a gear to be connected with a hollow gear disc to rotate, the hollow gear disc can drive a mounting base to rotate in the rotating process, and in the rotating processof the mounting base, the inner side of a second bearing is connected with a circular plate through an inserting rod to relatively rotate to drive a wooden horse to slide along a rail groove through apulley; secondly, when people go out for carrying, the diffuser can be pulled out from the inner side of the second bearing by lifting the diffuser upwards, the mounting base can be pulled out from the ...

Molecular marker method of rice variety brown planthopper resistance main gene Bph3

The invention relates to a molecule tagging method for a brown paddy plant hopper resistant master gene Bph3 of rice cultivars, which belongs to the technical field of genetic thremmatology. The brown paddy plant hopper resistant master gene Bph3 of an insect resistant variety Rathu Heenati is obtained by genetic linkage analysis of the brown paddy plant hopper resistant level of gene types of various single plants of F2 and various genealogies of F 2:3 obtained after hybridization of the insect resistant rice variety Rathu Heenati (female) and an insect susceptible variety 02428(male). The gene is positioned between a molecular marker A4 and a molecular marker RM16533, and the selection efficiency of three Indel indexes namely RH784, RH786 and RH007 of the interval is approximately 97 percent. Detection is made whether the insect resistant variety Rathu Heenati and derivative varieties (systems) of the insect resistant variety Rathu Heenati contain the master gene through the molecular ...

Rice black-streaked dwarf virus (RBSDV) resistant locus qRBSDV11 of rice variety 9194 and molecular marker method thereof

The invention relates to a rice black-streaked dwarf virus (RBSDV) resistant locus qRBSDV11 of a rice variety 9194 and a molecular marker method thereof. Four RBSDV resistant genetic loci of the RBSDV resistant variety 9194 are obtained by carrying out genetic linkage analysis on the genotype of a single plant F2 obtained by hybridizing the RBSDV resistant rice variety 9194 (male) with a susceptible variety Suyunuo (female) and the RBSDV resistance grade of a corresponding F2:3 family, wherein qRBSDV11 is between a marker RM26062 and a marker RM536. The RBSDV resistance levels of the resistant variety 9194 and derived varieties (lines) thereof can be predicated, and the selection efficiency of the RBSDV resistant rice can be greatly improved by detecting whether the resistant variety 9194 and the derived varieties (lines) thereof contain the RBSDV resistance genetic loci via the molecular markers of the RBSDV resistant genes.

Eight-tone musical instrument convenient for music replacement

The utility model discloses an eight-tone musical instrument convenient for track replacement. Including a base, wherein a plate frame is arranged on the base, a rotating seat is arranged on the plateframe, a turntable is arranged on the rotating seat, a driving shaft is arranged on the turntable, a damping sleeve is arranged on the base, the lower end of the driving shaft penetrates through thedamping sleeve to be provided with a knob, a torsional spring is arranged on the driving shaft, and the other end of the torsional spring is arranged on the plate frame. The utility model discloses aneight-tone instrument convenient for music replacement. Through the openable protective cover, the movement part can be exposed, and through the compression effect of the spring, the second shaft seat can drive the round rod at the shaft core position of the round roller to be separated from the first shaft seat, so that the disassembly is completed, the disassembly is simple and convenient, thedustproof ...

Method for breeding rice vairety with polymerized low-glutelin and rice stripe-resistance

The invention discloses a breeding method of a rice species combining the properties of low glutelin and rice stripe disease resistance, which pertains to the field of rice breeding. W3660 is taken as a female parent and Zhendao 88 is taken as a male parent for hybridization; and since F2 generation, a single plant with a main ear having 12 grains, the holoprotein SDS-PAGE protein band pattern ofwhich is in line with W3660 holoprotein band pattern, is selected for planting; WW1 and R15 marks are used for assisting the selection; by combining the field inoculation and manual inoculation certification of the plants with rice stripe disease resistance, a plant strain which has rice stripe disease resistance and is characterized in that the SSR fingerprint has a low glutelin characteristic band 237bp marked by WW1 and a rice stripe disease resistance characteristic band 363bp marked by R15, and the growth duration, plant height, and shape and characteristics of the plant leaves are identical ...

Cultivating method for promoting sprouting-ability and branching-ability of schisandra chinensis

A cultivation method for the improvement of Schisandra chinensis germinating vitality and branch ability is in the adoption of the density of space between plants (0.5-1.5) m multiplying (1.5-2.5) m for the artificial round head shaping to control the one-year ramigenous interception length from 20 to 40 cm. The cultivation model of the invention is simple, which is easy to master by the forest farmers. A large number of Schisandra chinensis tender shoot can be effectively triggered. On one hand, the vegetable assortments and the nutrient sources can be increased for the adjustment of the food structure of people. On the other hand, with a unique flavour and a high nutritional value, the Schisandra chinensis has a very high economic value. In addition, due to the flourishing root system of the Schisandra chinensis, the water loss and soil erosion can be prevented and the natural environment can be effectively improved as well. The invention is suitable for wide range promotion, in particular ...

Music box gallery frame structure

The utility model discloses a music box gallery frame structure. The sound box comprises a box body, sound discharging holes are annularly and evenly formed in the upper end face of the box body, an inner cavity is formed in the box body, a sound wheel is rotationally arranged in the inner cavity, a conical protrusion is arranged on the surface of the sound wheel, a rotating shaft is arranged in the center of the rear end of the sound wheel, a rotating groove is formed in the rear end of the inner cavity, and the rotating shaft is inserted into the rotating groove. Left and right ends of the upper part of the upper bridge-shaped elastic sheet are distributed on left and right sides of the lower end of the soundboard; elastic assistance is powerfully provided for the soundboard; the soundboard can be quickly rebounded to the original straight state; the bridge-shaped elastic piece on the lower side is bent when the bridge-shaped elastic piece on the upper side is pressed downwards, finally ...

Molecular marker method for rice anti-rice stripe major gene loci qSTV11

The invention relates to a molecular marking method of a major gene locus qSTV11 with rice stripe and leaf blight resistance and belongs to the field of molecular genetics. Hybridization with female plant of rice Nipponbare and male plant of Kasalath, backcross with Nipponbare and derivation are orderly realized, thus obtaining a backcross recombinant inbred system, genetic linkage analysis between genotypes and corresponding disease indexes and ratios in each family is realized, the resistant effects of the major gene locus qSTV11 with rice stripe and leaf blight resistance and allelic genes from Kasalath are detected, and molecular markers R21, R22, R13 and R48 that can be utilized in breeding are obtained through filtering. The four molecular markers are utilized for detecting whether Kasalath and derived varieties thereof contain the major gene locus, and consequently the rice stripe and leaf blight resistant level of the varieties can be predicted, and the selection efficiency of rice ...

One-time electroplating step golden finger manufacturing method

The invention discloses a one-time electroplating step golden finger manufacturing method. The method comprises the steps that 1, an inner-layer golden finger electroplating structure is arranged on an inner-layer metal plate; 2, manufacturing a multi-layer board; 3, electrically conducting the inner-layer plate and the outer-layer plate; 4, an outer-layer golden finger electroplating structure is arranged on the outer-layer board; step 5, manufacturing an outer layer circuit; and 6, simultaneously electroplating the inner-layer golden finger and the outer-layer golden finger. According to the one-time electroplating step golden finger manufacturing method provided by the invention, an inner-layer golden finger electroplating structure is arranged on an inner-layer metal plate, an outer-layer golden finger electroplating structure is arranged on an outer-layer plate, and the inner-layer golden finger electroplating structure and the outer-layer golden finger electroplating structure are ...

OsYTH03, OsYTH05 and OsYTH10 genes and application of OsYTH05 and OsYTH10 genes in cultivation of rice with ideal plant height

The invention discloses OsYTH03, OsYTH05 and OsYTH10 genes and application of the OsYTH03, OsYTH05 and OsYTH10 genes to cultivation of rice varieties with ideal plant heights, the genes are selected from one or more of OsYTH03, OsYTH05 or OsYTH10, redundant effects exist among the three genes, the plant height of a transgenic plant with a single gene knocked out is reduced by 10%-15%, the plant height of a transgenic plant with the three genes knocked out at the same time is reduced by more than 30%, and the plant height of the transgenic plant with the three genes knocked out at the same time is reduced by more than 30%. The redundant action mechanism can provide gene resources for rice breeding, that is, according to the degree of the plant height needing to be adjusted, one or more genes are knocked out, and rice varieties with ideal plant height are cultivated, so that the cultivation requirements of different regions in China are met, the planting density is increased, and the rice ...

Double channel sharing multi-pass main amplifying system

The invention relates to the field of high-power laser system amplification, in particular to a double channel sharing multi-pass main amplifying system. The double channel sharing multi-pass main amplifying system comprises a set of intracavity amplifier, a first set of booster amplifier, a second set of booster amplifier, inlets and outlets, wherein a first spatial filter is arranged in the center of the intracavity amplifier, the first set of booster amplifier and the second set of booster amplifier are symmetrical with the first spatial filter as the center of symmetry, two beams of lasers enter the system through the inlets of the first set of booster amplifier and the second set of booster amplifier respectively at the same time and are output through the outlets of the second set of booster amplifier and the first set of booster amplifier respectively after being subjected to multistage amplification by the intracavity amplifier. Equivalent multi-pass amplification of the two beams ...

Rotation type music box structure

The utility model relates to a rotation type music box structure, including base, top cap and be located the base and the top cap between the pillar, the inside hollow structure that is of base, and interior bonding of opening has the bottom plate bottom it, the bottom plate top is fixed with music gift box, music gift box bottom is equipped with drive assembly, and drive assembly and be located the base under circular metal support spiro union, the department is equipped with the double -screw bolt in the middle of the top cap bottom, and double -screw bolt and be located the screw spiro union of pillar, top cap bottom circumference is equipped with the metal pole of many vertical settings, and is equipped with the embellishment on the metal pole, be equipped with in the top cap and hold the chamber, and hold the intracavity and be equipped with the group battery, a plurality of LED lamps are still installed to the top cap bottom. The utility model discloses can drive whole music box and ...

Install drive mechanism in music box

The utility model relates to an install drive mechanism in music box, including music gift box and set up spring drum, winder and the pronunciation piece on music gift box, wherein the spring drum top is equipped with the fixed plate, and one of them bottom of a matter of fixed plate is equipped with the support frame, the winder top is passed the fixed plate and is fixed with the driving gear, this fixed plate top be located in the middle of the music gift box department directly over the activity be equipped with transmitting gear, and be located on the fixed plate between transmitting gear and the driving gear still activity and be equipped with driven gear, driven gear's the teeth of a cogwheel respectively with driving gear and transmitting gear's wheel gear mesh, wherein the transmitting gear top still is fixed with the circular supporting seat rather than coaxial setting, and the vertical double -screw bolt that is equipped with of department in the middle of the supporting seat ...

Device for processing artillery bullet left in bore

The utility model relates to a device for processing an artillery bullet left in a bore. The device comprises a fuse dismounting device and a bullet punching device; the fuse dismounting device comprises a body, a tensioning handle, an eccentric ratchet wheel assembly, a ratchet wheel driving assembly and a fuse jacket, wherein the tensioning handle, the eccentric ratchet wheel assembly, the ratchet wheel driving assembly and the fuse jacket are fixed to the body; the eccentric ratchet wheel assembly comprises eccentric ratchet wheels, eccentric shafts and a ratchet wheel supporting base, the ratchet wheel driving assembly comprises ratchet wheel driving shafts, shifting forks and ratchet wheel driving arms, the ratchet wheel driving arms are arranged between adjacent outwards-radial shifting forks which are evenly arranged, the multiple ratchet wheel driving arms are fixedly connected with the multiple eccentric shafts respectively, and one end of the tensioning handle is detachably connected ...

Neodymium glass sheet clamping structure

The invention provides a neodymium glass sheet clamping structure. The neodymium glass sheet clamping structure comprises a sheet frame, pressing blocks and gaskets. A neodymium glass sheet is arranged in the sheet frame and clamped and fixed through the pressing blocks, baffles and the gaskets. The inner wall of the sheet frame is provided with six bosses which are distributed on three planes, perpendicular to one another, around the neodymium glass sheet, so that full restraint of a half kinematic structure on the neodymium glass sheet at six degrees of freedom is achieved. The pressing blocks and the gaskets are arranged on the periphery of the neodymium glass sheet corresponding to the normal directions of the bosses. By the adoption of the neodymium glass sheet clamping structure, the neodymium glass sheet can be installed and positioned conveniently, and additionally introduced surface shape distortion is extremely small.

Manganese chloride dehydration method and method for promoting (cyclopentadienyl)manganese compound yield

The invention discloses a dehydrating method to obtain low-water manganese chloride and receiving rate improving method of manganese compound, which comprises the following steps: placing manganese chloride with crystal water in the sealed drier; heating to 150-450 deg.c; extracting into -0.01-0.1Mpa; gasifying the manganese chloride crystal water in the drier; draining along with vacuum; measuring the drained water; putting in the oxonation autoclave through pipe to do oxonation reaction. The invention makes water content of manganese chloride lower than 200ppm, which improves receiving rateof manganese compound by 8-15%.

Music box sound wheel rotation stabilizing structure

The utility model discloses a music box sound wheel rotation stabilizing structure. Including a base, mounting plates are symmetrically arranged on the surface of the base. A mounting opening is formed in the surface of the mounting plate, a positioning groove is formed in the inner side of the mounting opening, a bearing is slidably connected to the inner side of the positioning groove, an abutting plate is connected to one end of the bearing, the abutting plate is slidably inserted into the inner side of the positioning groove, and a second positioning hole is formed in the surface of the abutting plate. According to the music box phonetic wheel rotation stabilizing structure, when the phonetic wheel is disassembled, the positioning pin is pulled out from the first positioning hole and the second positioning hole, then the abutting plate is pulled out from the positioning groove, and the phonetic wheel, the first connecting rod, the second connecting rod and the bearing can be pulledout ...

Music box with dustproof function

The utility model discloses a music box with a dustproof function. The music box comprises a first box body. A bayonet is fixedly welded at the upper end of the outer surface of the first box body; afixed block is fixedly welded at the upper end of the inner surface of the first box body; a dustproof pad is fixedly adhered to the surface of the first box body; an inner sleeve is fixedly welded onthe inner surface of the first box body; an outer sleeve sleeves the outer surface of the inner sleeve in a sliding manner; a spring is welded in the outer sleeve; a second box body is welded and fixed on the surface of the outer sleeve; a hinge fixing block is welded to the upper end of the outer surface of the second box body. And a clamping ring is hinged to the surface of the hinge fixing block, dustproof cloth is fixedly pasted to the outer surface of the second box body, a dustproof net is arranged on the outer surface of the dustproof cloth, the problem that dust enters the music box in the ...

Eight-tone musical instrument storage box

The utility model discloses a storage box for an eight-tone instrument. First box body, an inner sleeve is fixedly welded to the surface of the bottom of the first box body. An outer sleeve sleeves the outer surface of the inner sleeve in a sliding manner; a spring is welded between the inner surface of the upper end of the outer sleeve and the upper surface of the inner sleeve; a first fixing block is fixedly welded to the side surface of the bottom end of the outer sleeve. A limiting cylinder is arranged on the outer side of the first fixing block, the limiting cylinder is fixedly welded tothe bottom surface of the first box body, a limiting hole is formed in the upper surface of the limiting cylinder, a second fixing block is fixedly welded to the inner surface of the limiting cylinder, an eight-tone instrument is fixedly pasted to the upper surface of the outer sleeve, and a through hole is formed in the upper surface of the first box body. The music gift box is effectively combined ...

Transmission with two -way rotation function

The utility model relates to a transmission with two -way rotation function, including the support frame, one of them bottom of a matter portion of this support frame length direction is equipped with the rolling disc, and is provided with fixed frame bottom the other end, the rolling disc top is equipped with the transmission shaft that runs through the support frame, and is located and gos back the overcoat on the transmission shaft between rolling disc and the support frame and have a spring, the transmission shaft top is equipped with the driving gear, and is equipped with driven gear on being located drive gear side's support frame, this driven gear's the teeth of a cogwheel and the wheel gear mesh of driving gear, driven gear and driving gear top all are equipped with the connecting rod, and the connecting rod top all is fixed with drive gear, and are equipped with circular supporting seat on one side of the drive gear, fixed frame includes two blocks of triangular support boards ...

Rice chlorophyll synthase mutant gene and its application in gene engineering

Two -way rotating device in crystal ball music box

The utility model relates to a two -way rotating device in crystal ball music box, including urging means, shell, driven gear, layer board, slewing mechanism and the fixed establishment who sets gradually from lower to upper. The utility model discloses an urging means drives the axis of rotation and rotates, and the co -rotating motion can be done with the axis of rotation to the embellishment that lies in the axis of rotation top, and at this in -process, rotate epaxial driving gear pass through driven gear and ring gear finally drive the layer board do with the different rotary motion of axis of rotation running direction, the different rotary motion of orientation will be made with the embellishment on axis of rotation top to the embellishment that lies in the layer board top so to sight with embellishment in this improvement crystal ball.

Molecular marker of anti-nilaparvata-lugens major gene Bph3 of rice

The invention relates to a molecular marker of an anti-nilaparvata-lugens major gene Bph3 of rice and belongs to the technical field of genetic breeding. A genetic linkage analysis is preformed on a genotype of each single plant of F2 obtained by crossing an rice anti-insect variety RathuHeenati (female) with an insect-susceptible variety 02428 (male) as well as on an anti-nilaparvata-lugens level of each family of F2: 3, thereby obtaining the anti-nilaparvata-lugens major gene Bph3 of the anti-insect variety RathuHeenati. The gene is positioned between the molecular marker A4 and the molecular marker RM16533; the selection efficiencies of three Indel markers RH784, RH786 and RH007 in the interval are around 97%. The molecular marker of the anti-nilaparvata-lugens major gene is used for detecting whether the major gene is contained in the anti-insect variety RathuHeenati as well as derived varieties thereof (family), thereby forecasting the anti-nilaparvata-lugens level; therefore, the ...

Mechanical gripper applied to cargo handling

The invention discloses a mechanical grabhook applied to cargo handling, which comprises a mechanical grabhook main body, a left grabhook and a right grabhook are arranged on the mechanical grabhook main body, a plurality of claw fingers are arranged on the left grabhook and the right grabhook, a movable wheel set is arranged at the tip of each claw finger, and the movable wheel set mainly comprises a movable wheel support, a movable wheel and a rotating shaft. Movable wheel driving mechanisms are arranged on the left grabhook and the right grabhook, each movable wheel driving mechanism is mainly composed of a motor and a transmission part, the motors are connected with the left rotating shaft and the right rotating shaft through the transmission parts, and the movable wheel driving mechanisms drive the left rotating shaft and the right rotating shaft to rotate; compared with the prior art, the clamping device is simple in structure, convenient and rapid clamping can be achieved, and a ...

Multi-target gene editing tool and application thereof in adjusting heading period of rice

The invention discloses a multi-target gene editing tool and application of the multi-target gene editing tool in the aspect of adjusting the heading period of rice. Based on a CRISPR-Cas9 gene editing method, an efficient multi-target gene editing tool is realized by improving a tRNA-sgRNA system. Eight knockout targets are designed on a rice heading stage gene Hd1 promoter. Stable genetic transformation finds that the editing efficiency of eight targets is unequal from 59% to 88%, 34 families with continuously distributed heading periods are screened out through phenotype and molecular identification of transgenic offspring, the regional adaptability of good varieties is improved, and the planting area of the good varieties is enlarged. Likewise, a continuously variable strain in the heading stage is also obtained in the promoters of the heading stage genes DTH8 and Ghd7. According to the invention, a foundation is laid for research on multi-target editing and fine adjustment of gene ...

Anti-falling music box

The utility model discloses an anti-falling music box. Music box comprising a music box housing, square clamping grooves are formed in the left side and the right side of the inner side wall of the music box shell; the music box shell is connected with a positioning block in a clamped mode through a square clamping groove. The surface of one end of the positioning block is fixedly connected with apressure spring; the outer side surfaces of the positioning blocks are connected with fixing plates in a sliding manner; the surface of one end of the fixing plate is fixedly connected with a supporting base, a spring clamping head, a spring, a positioning block and a pressing spring, and the problems that according to an existing anti-falling music box, the spring is directly arranged at the bottom of the music box for shock absorption, and parts in the music box are inconvenient to disassemble after being damaged or falling off are solved.

Structure of crystal ball music box

The utility model relates to a structure of crystal ball music box, including base and the crystal ball of setting on the base, the embellishment that the crystal ball intussuseption was filled with liquid medium and can waves in the wind in the medium, still including music gift box and setting the rotating device among crystal ball s of setting in the base, rotating device is driven by the music gift box who plays, and rotating device bottom overcoat has the interior stopper that prevents the interior liquid outflow of crystal ball. The utility model discloses a music gift box who plays drives urging means and rotates, the embellishment model that rotatory urging means drove on the fixing base carries out rotary motion, meanwhile rotatory urging means can drive the ring gear rotary motion above the driving plate, ring gear then drives gear c through gear b and gear an and rotates, so rotatory gear c can drive the rabbling mechanism and mix the static luminous piece that is located the ...

Rapid modeling method for light path of large laser device

The invention provides a rapid modeling method for a light path of a large laser device. The rapid modeling method for the light path of the large laser device includes the steps of building a plurality of optical element templates according to the shape and function of elements in advance; building a geometric dimensioning table, an element coordinate table and a clear aperture data table; calling different optical element templates according to the geometric shape of any element, editing any optical element template according to the geometric dimensioning table and the element coordinate table, and generating an optical element module with a space position; calling the clear aperture information of any two adjacent elements from the clear aperture data table, calling the shape of any one of the adjacent elements from the geometric dimensioning table, and generating the light beam outline of the adjacent elements according to the shape of the adjacent elements and the clear aperture information ...

Distributed adaptive-neural-network continuous tracking control method of multi-robot system

The invention, which belongs to the robot system control field, relates to a distributed adaptive-neural-network continuous tracking control method of a multi-robot system. According to the existing coordinated tracking and controlling method of the multi-robot system, problems of parameter uncertainty and external interference existence in the multi-robot system exist. The provided method comprises: under the circumstances that only parts of followers can obtain dynamic navigator state information, a distributed observer design is implemented with limitation of communication tine delay existence, so that all followers can obtain the dynamic navigator state information; and with consideration of the parameter uncertainty and external interference existence in the system, controlling is carried out by using a distributed adaptive tracking control expression designed based on two neural networks, so that the approximate error is close to zero. In addition, the control algorithm of the distributed ...

Small cell state detection method of LTE (Long Term Evolution) system

A smallcell state detection method for an LTE (Long Term Evolution) system comprises the steps of establishing an RRC (Radio Resource Control) connection between UE (User Equipment) and Pcell (Primary Cell), transmitting DRS (Data Reaction System) configuration information of an Scell (Small Cell) to the UE, allowing the UE to transmit sub-frame offset according to a DRS to determine a first sub-frame transmitted by the DRS on the Scell, carrying out RSRP (Reference Signal Received Power) measurement based on the DRS on consecutive n sub-frames from the sub-frame, acquiring measurement results of the sub-frames, calculating an accumulated value R2 of the measurement results, and comparing the measurement results R1 and R2 to obtain Scell state information.

Transmission who uses in roller coaster music box

The utility model relates to a transmission who uses in roller coaster music box, including the crossbeam, the wherein one end of this crossbeam is equipped with L type fixed plate downwards, and is provided with stiffener and stay tube around its other end side by side, the stopper has the snap ring rather than the looks adaptation in the stay tube bottom, setting as an organic whole between its snap ring and the stay tube, crossbeam bottom is close to to be supported pipe end department and still is equipped with the recess, is equipped with two sets of through -hole a side by side around wherein lieing in on the crossbeam of recess, just lie in still to be equipped with through -hole b on the crossbeam between through -hole an and the L type fixed plate, the crossbeam top is equipped with corresponding through -hole an and through -hole b's sleeve pipe respectively, and wherein is equipped with the rod iron rather than the looks adaptation in a set of through -hole a, and corresponding ...

Interference eliminating method and system for TD-LTE network

The invention relates to an interference eliminating method and system for a TD-LTE network. The interference eliminating method for the TD-LTE network comprises the steps that a certain uplink subframe in a flexible subframe set is selected for configuration according to the current uplink and downlink time slot configuration, an adjacent cell which disturbs the network most seriously is selected according to reference signal receiving powers, from adjacent cells, measured by eNB, UE is configured for conducting RRM measurement on the selected adjacent cell, and the UE with the highest SRP is selected; if the current subframe of the eNB is a downlink subframe in the flexible subframe set, whether the selected adjacent cell is an uplink subframe or a downlink subframe at the moment is judged, and if the selected adjacent cell is a downlink subframe at the moment, transmitting power of the current downlink subframe is lowered through the eNB according to a preset criterion. According to ...

Hand-operated toy music box for children

The utility model discloses a hand-operated music box for children's toys. Sound barrel, the sound barrel is fixedly installed at the middle end of the rotating shaft. A worm wheel is welded and fixedat the left end of the sound barrel; the two ends of the rotating shaft are rotationally connected with first supporting rods through first bearings. The lower end of the first supporting rod is welded and fixed to the surface of the upper end of the base. A worm is arranged at the upper end of the worm wheel; according to the utility model, the sound barrel can be rotated by hand to contact andcollide with the soundboard to make a sound; the music box solves the problems that the music box stops working and children lose endurance due to lack of electric power, the interest of the childrencan be enhanced and the operational ability can be improved through manual rotation, and the interior of the music box can be deashed through a pin hole structure and a detachable shell, so that the tone ...

Optical platform support device in vacuum container

The invention provides an optical platform support device in a vacuum container. A vacuum shell of the optical platform support device in the vacuum container of the invention is directly fixed on a support platform through a vacuum shell support; an optical platform support and an optical platform are connected and fixed on the support platform through the vacuum shell; non-rigid contact is applied to the optical platform support and the vacuum shell; a flange on the upper end of a corrugated pipe is connected with the vacuum shell in a sealing manner, the flange on the lower end of the corrugated pipe is connected with the optical platform support in a sealing manner. The optical platform in a vacuum environment is not be affected by vacuum deformation and vibration of a vacuum unit with the optical platform support device in the vacuum container of the invention adopted, as a result, the support device of the invention features high stability.

Switching method from opening to closing of small cell

The invention discloses a switching method from opening to closing of a small cell. Under a condition of the small cell, a timer of which the timing time is T is arranged on a base station side; the resource utilization condition, the business loading condition or disturbed condition to a neighbor cell of the small cell in the time are monitored; then whether to trigger turn-off process of the small cell or not is decided; whether a Handover Request/SN Status Transfer/Msg1 message is received or not is additionally monitored in the turn-off preparing process; whether to turn off the small cell or not is further diagnosed according to the message; whether to switch all the UE served by the small cell to a macro base station or not is decided by the small cell according to the receiving time of the Handover Request/SN Status Transfer/Msg1 message. According to the invention, the small cell can switch from the opening condition to the closing station intelligently to reduce disturbance to ...

Method for breeding rice vairety with polymerized low-glutelin and rice stripe-resistance

The invention discloses a breeding method of a rice species combining the properties of low glutelin and rice stripe disease resistance, which pertains to the field of rice breeding. W3660 is taken as a female parent and Zhendao 88 is taken as a male parent for hybridization; and since F2 generation, a single plant with a main ear having 12 grains, the holoprotein SDS-PAGE protein band pattern of which is in line with W3660 holoprotein band pattern, is selected for planting; WW1 and R15 marks are used for assisting the selection; by combining the field inoculation and manual inoculation certification of the plants with rice stripe disease resistance, a plant strain which has rice stripe disease resistance and is characterized in that the SSR fingerprint has a low glutelin characteristic band 237bp marked by WW1 and a rice stripe disease resistance characteristic band 363bp marked by R15, and the growth duration, plant height, and shape and characteristics of the plant leaves are identical ...

Molecular markers of rice stripe virus disease-resistant major gene locus qSTV11

The invention relates to molecular markers of a rice stripe virus disease-resistant major gene locus qSTV11, which belongs to the field of molecular genetics. The molecular markers are obtained by the following steps of: hybridizing a rice variety Nipponbare serving as a female parent with kasalath serving as a male parent; performing back crossing on a hybrid product and the Nipponbare; deriving to obtain a back crossing recombinant inbred line; performing genetic linkage analysis on the genotype of each family and corresponding disease index ratio; detecting the stripe virus disease-resistant major gene locus qSTV11, wherein alleles from kasalath have resistance effects; and screening to obtain molecular markers R21, R22, R13 and R48 which can be bred and utilized. The four molecular markers are used for detecting whether the kasalath and a derivative variety (line) contain the major gene locus or not, so that the rice stripe virus disease resistance level can be predicted and the selection ...

Wheeled music box of skyscraping

The utility model relates to a wheeled music box of skyscraping, including base, the setting roller coaster model on the support and the actuating mechanism of drive roller coaster model, two sets of supports that the roller coaster model corresponds about including, is located two sets of wheel hub in the middle of two sets of supports and the axis of rotation of passing two sets of wheel hub centres of a circle, wherein connects along transverse supporting rod through the foreign steamer between two sets of wheel hub's the foreign steamer rim, and the foreign steamer is equipped with the seat of rotatable activity on along transverse supporting rod, be equipped with public young an on the top in the seat, the axis of rotation left end passes the left side support and its left side top is fixed with miniature manual rocking handle, and this axis of rotation right -hand member is connected with the actuating mechanism who is located on the right side frame, actuating mechanism is including ...

Rice chlorophyll synthase mutant gene and its application in gene engineering

The invention discloses a nucleotide sequence of rice chlorophyll synthase mutation gene Osygl1 and gene engineering application in the gene engineering domain, which is characterized by the following: the cDNA sequence of Osygl1 is SEQ ID NO.1 and its coded amino acid sequence is SEQ ID NO.2; the gene OsYGL1 is a chlorophyll synthase gene in the rice, which participates the synthesis of chlorophyll a and chlorophyll b to display component expression; the mutation of the gene leads the leaf of rice to become yellow green, which can be genetic mark to identify the kind in the agricultural manufacturing and rice genetic breeding.

Molecular marker of anti-nilaparvata-lugens major gene Bph3 of rice

The invention relates to a molecular marker of an anti-nilaparvata-lugens major gene Bph3 of rice and belongs to the technical field of genetic breeding. A genetic linkage analysis is preformed on a genotype of each single plant of F2 obtained by crossing an rice anti-insect variety RathuHeenati (female) with an insect-susceptible variety 02428 (male) as well as on an anti-nilaparvata-lugens level of each family of F2: 3, thereby obtaining the anti-nilaparvata-lugens major gene Bph3 of the anti-insect variety RathuHeenati. The gene is positioned between the molecular marker A4 and the molecular marker RM16533; the selection efficiencies of three Indel markers RH784, RH786 and RH007 in the interval are around 97%. The molecular marker of the anti-nilaparvata-lugens major gene is used for detecting whether the major gene is contained in the anti-insect variety RathuHeenati as well as derived varieties thereof (family), thereby forecasting the anti-nilaparvata-lugens level; therefore, the ...

Molecular marker method for rice anti-rice stripe major gene loci qSTV11

The invention relates to a molecular marking method of a major gene locus qSTV11 with rice stripe and leaf blight resistance and belongs to the field of molecular genetics. Hybridization with female plant of rice Nipponbare and male plant of Kasalath, backcross with Nipponbare and derivation are orderly realized, thus obtaining a backcross recombinant inbred system, genetic linkage analysis between genotypes and corresponding disease indexes and ratios in each family is realized, the resistant effects of the major gene locus qSTV11 with rice stripe and leaf blight resistance and allelic genesfrom Kasalath are detected, and molecular markers R21, R22, R13 and R48 that can be utilized in breeding are obtained through filtering. The four molecular markers are utilized for detecting whether Kasalath and derived varieties thereof contain the major gene locus, and consequently the rice stripe and leaf blight resistant level of the varieties can be predicted, and the selection efficiency ofrice ...

Fixing support in crystal ball music box

The utility model relates to a fixing support in crystal ball music box, including circular support and set up the music gift box bottom plate on the support top, wherein four sides of music gift box bottom plate all are provided with the screw, the support top is provided with the round surrounding edge along the music gift box bottom plate length of side, and this surrounding edge height equals with music gift box bottom plate thickness, and four side tops of surrounding edge all are provided with the triangle -shaped fixed plate of corresponding screw, wherein two apex angles department of fixed plate all through screw locking on the surrounding edge, and another apex angle department bottom of fixed plate is equipped with the reference column, and the reference column fixes in corresponding screw, the fixed plate bottom is located and still is equipped with flaky cardboard between two screws, and is equipped with the draw -in groove of corresponding cardboard on the surrounding edge ...

A fixing device for in music box

The utility model relates to a fixing device for in music box, including circular fixing plate and set up the music gift box bottom plate on the fixed plate top, wherein four sides of music gift box bottom plate all are provided with the screw, the fixed plate bottom is equipped with the recess of corresponding screw, and locates to be equipped with the through -hole of through fixed board in the middle of the recess, be equipped with the holding ring in the recess, and be equipped with the sleeve pipe on the holding ring, the sleeve pipe top is passed through -hole and its top and is lain in corresponding screw, wherein overlaps still to be equipped with the internal thread on the inside pipe wall, be provided with the cross bolt in the screw, and the cross bolt pass downwards the screw and with correspond the internal thread spiro union in the sleeve pipe, the fixed plate top is provided with the round surrounding edge along the music gift box bottom plate length of side, and this surrounding ...

Color mixing device for music box toy production

The utility model relates to the technical field of toy production, in particular to a color mixing device for music box toy production, which can improve the stirring effect. Meanwhile, the color ofthe mixed materials can be conveniently checked, and the usability is improved; the interior of the used working box can be cleaned conveniently, and the use reliability is improved; the device comprises a base, a support, a work box, a fixing frame, a servo motor, a stirring rod, a water inlet pipe, a discharging pipe and a blocking cover, and the stirring rod is arranged on a transmission shaft;the bottom ends of the two sets of driving rods are connected with the left side and the right side of the top end of the fixing frame correspondingly; wherein the transparent baffle plate is positioned on the front side of the white board; the cleaning device further comprises a containing frame, a containing box, a communicating pipe and an output pipe, a cleaning agent is contained in the containing ...

Locking device for displaying rotary music box

The locking device comprises a fixed seat and the rotary music box installed on the fixed seat, a metal support at the bottom of the rotary music box is installed on the top end face of the fixed seat, and U-shaped notches are formed in the two corresponding ends of the metal support respectively. A clamping groove corresponding to the U-shaped notch is formed in the top of the fixing seat, one end of the clamping groove extends to the fixing seat on the outer side of the metal support, a groove is formed in the bottom, away from the metal support, of the clamping groove, a rotating shaft is arranged on the other side of the clamping groove, and a magnetic supporting strip is arranged at the bottom, located between the groove and the rotating shaft, of the clamping groove. The rotating shaft is provided with a screw rod clamped into the corresponding U-shaped notch, the screw rod located at the top of the metal support is in threaded connection with a nut, the top of the fixing base is ...

Carrousel with pronunciation device

The utility model relates to a carrousel with pronunciation device, including base, top cap, pillar and pronunciation mechanism, the pillar is located between base and the top cap, pillar bottom and base fixed connection, and its top opens intraoral bottom plate and paste mutually with lieing in the top cap bottom, the department fills in in still in the middle of this pillar top has the sleeve pipe, pronunciation mechanism is installed to the intracavity that holds that constitutes between bottom plate and the top cap, pronunciation mechanism includes music gift box and installs the winder on music gift box, and wherein the winder runs through the bottom plate downwards, and its bottom and sleeve pipe spiro union, is equipped with quantity on the bottom plate and is no less than two sets of round holes, be equipped with the LED lamp in the round hole, and the LED lamp is by being located the group battery power supply of holding the intracavity, the bottom plate bottom still is provided ...

Cannon elevating mechanism buffering arresting gear's dismouting debugging equipment

The utility model relates to a cannon elevating mechanism buffering arresting gear's dismouting debugging equipment, including equipment platform, V -arrangement anchor clamps, three -jaw chuck, horizontal press and supplementary mounting tool, V -arrangement anchor clamps, three -jaw chuck and horizontal press are all installed on the equipment platform, V type anchor clamps with three -jaw chuck with buffering arresting gear's both ends fixed connection, horizontal press drives three -jaw chuck will buffering arresting gear's sleeve pipe, sleeve and worm compress tightly the connection, supplementary mounting tool will buffering arresting gear's sleeve pipe, sleeve and worm concentric installation connect. The utility model discloses can guarantee to cushion the concentricity of arresting gear's unit mount, the safety of installer and equipment is guaranteed in the control of the packing force when being convenient for install, and convenient operation is swift, can shorten the time of ...

Touch film and manufacturing method thereof

The invention relates to the field of touch film manufacturing, and discloses a touch film and a manufacturing method thereof.The manufacturing method includes the steps that silver paste is printed on a substrate corresponding to a touch area and a first conductive connection area, the silver paste correspondingly forms a touch silver layer and a silver conductive layer, and the touch silver layer is provided with a hollow area; printing conductive slurry on the second conductive connection area corresponding to the substrate, and enabling the conductive slurry to form a conductive connection layer; and printing insulating slurry on the surfaces of the touch silver layer and the silver conductive layer, and enabling the insulating slurry to form an insulating layer to obtain the touch film. The material of the touch area is silver, and the touch area and the first conductive connection area are printed at the same time during manufacturing, so that the technological process can be shortened ...

Molecule labelling method for soft rice gene locus with low-content of amylose

The invention provides a molecular marking method for low amylose content gene locus of Haopi of Yunnan softpanel rice variety, pertaining to molecular genetics field. The DNA of Haopi of Yunnan softpanel rice variety is increased by a marking primer dCAPs-SalI-hp and then restriction enzyme digestion is done with limited endonuclease SalI. If two fragments respectively with a length of 151bp and 145bp can be obtained, the existence of low amylose content gene locus of Haopi of Yunnan softpanel rice variety is proved. The molecular marking for low amylose content gene locus of Haopi of Yunnan softpanel rice variety is adopted to detect whether Haopi and derivative varieties thereof contain the gene locus and the method can predict the amylose content and greatly improve the efficiency of selection of rice with low amylose content.

Method for controlling deflection of prestress steel truss girder on basis of structure state information feedback and system thereof

The invention discloses a method for controlling deflection of a prestress steel truss girder on the basis of structure state information feedback and a system thereof. The characteristics of steel truss girder pressed bending and prestress bar pulling receiving are sufficiently utilized, and a bending-receiving structure is converted into a combined structure mainly receiving pulling and pressing; meanwhile, a sensor, a controller and an actuator are adopted, so that the system can actively regulate the prestress per se according to the steel truss girder stress and deformation conditions; the goals of regulating the structure inner stress and controlling the structure deformation are achieved; the method is particularly applicable to conditions in which a relatively large variable load is borne and strict deformation limitation exists.

Transmission of music box interior

The utility model relates to a transmission of music box interior, including music gift box bottom plate and the clockwork spring rotation axis of setting on the music gift box bottom plate, the music gift box bottom plate is run through to clockwork spring rotation axis bottom, and its bottom mounting has gear a, wherein be located music gift box bottom plate bottom in the middle of the department be equipped with gear b, this gear b's upper and lower both ends all are fixed with the pivot, and the pivot top activity that is located gear b top fixes the recess in music gift box bottom plate bottom, the gear c on the music gift box bottom plate is fixed in being equipped with between gear an and gear b activity, this gear c's the teeth of a cogwheel respectively with gear an and gear b's wheel gear mesh, gear b and gear c bottom is equipped with the locating plate, and this locating plate passes through the spliced pole to be connected with the music gift box bottom plate, wherein be located ...

Molecular marking method of indica rice variety subjected to anti-brown planthopper host gene Bph27 transfer

The invention discloses a molecular marking method of an indica rice variety subjected to anti-brown planthopper host gene Bph27 transfer. The developed and designed gene Bph27 is closely interlocked with molecular marking primers B471 and B58, and differential fragments can be amplified from an anti-brown planthopper donor Balamawee and a susceptible indica rice variety; the anti-brown planthopper host gene Bph27 is genetically transferred through molecular marking of a gene Bph27 locus, the required fragments can be accurately and quickly guided, the selection efficiency of the gene Bph27 is greatly improved, and a new anti-brown planthopper indica rice variety 991RB is developed.

Self-adaptive optical grating splicing error control method

The invention discloses a self-adaptive optical grating splicing error control method which can reduce the optical grating splicing difficulty and improve the splicing stability. A sub optical grating to be spliced is spliced and fixed. The optical grating stability is improved. A far field focal spot is displayed through a scientific level matrix CCD. Data are generated through a sensor array. Splicing error data analyzing is carried out through a far field synchronous monitoring system. A splicing error is compensated through an error compensation mirror. The splicing difficulty is effectively reduced. Real-time control can be carried out on the splicing error.

Crystal ball music box of built -in christmas tree

The utility model relates to a crystal ball music box of built -in christmas tree, including base and the crystal ball of setting on the base, the embellishment that the crystal ball intussuseption was filled with liquid medium and can waves in the wind in the medium, still including music gift box and setting the rotating device among crystal ball s of setting in the base, rotating device is by the drive of the music gift box that plays, and wherein the rotating device top is equipped with the christmas tree, and crystal ball shell top is equipped with the tree -top of corresponding christmas tree. The utility model discloses a music gift box who plays drives urging means and rotates, urging means drives rotary mechanism and carries out rotary motion, it carries out rotary motion finally to drive the christmas tree, and at this in -process, the driving gear passes through driven gear and finally drives rabbling mechanism work and the different rotary motion of axis of rotation running ...

PET bottle preform heating device and heating method

The invention discloses a PET bottle preform heating device and method, and the PET bottle preform heating device comprises a machine body which is provided with a heating region and a cooling region; the conveying mechanism is arranged on the machine body and provided with an installation part, the opening end of the PET bottle blank is suitable for being arranged on the installation part in a sleeving mode, and the conveying mechanism is used for driving the installation part to move so that the PET bottle blank on the installation part can sequentially move to the heating area and the cooling area; the heating mechanism is arranged in the heating area; and the cooling mechanism is arranged in the cooling area. The PET bottle blank is heated in the heating area and then enters the cooling area, the surface of the PET bottle blank is cooled to properly reduce the ductility and improve the hardness, and the interior of the PET bottle blank still has higher temperature to have enough ductility ...

Molecular marker method of rice variety brown planthopper resistance main gene Bph3

The invention relates to a molecule tagging method for a brown paddy plant hopper resistant master gene Bph3 of rice cultivars, which belongs to the technical field of genetic thremmatology. The brown paddy plant hopper resistant master gene Bph3 of an insect resistant variety Rathu Heenati is obtained by genetic linkage analysis of the brown paddy plant hopper resistant level of gene types of various single plants of F2 and various genealogies of F 2:3 obtained after hybridization of the insect resistant rice variety Rathu Heenati (female) and an insect susceptible variety 02428(male). The gene is positioned between a molecular marker A4 and a molecular marker RM16533, and the selection efficiency of three Indel indexes namely RH784, RH786 and RH007 of the interval is approximately 97 percent. Detection is made whether the insect resistant variety Rathu Heenati and derivative varieties (systems) of the insect resistant variety Rathu Heenati contain the master gene through the molecular ...