Method for directionally separating antiendotoxic active monomer from a Chinese medicinal extract

The invention discloses a method for directionally separating an antiendotoxic active monomer from a Chinese medicinal extract. The method comprises the following steps of: adding the Chinese medicinal extract into a macroporous adsorption resin column, carrying out gradient elution on the Chinese medicinal extract with the solution of ethanol in water, and detecting the binding activity of all components obtained from elution with the Lipid A respectively to obtain a component A1 having the highest binding activity; adding the component A1 into a polyamide column, carrying out gradient elution on the component A1 with the solution of ethanol in water, and detecting the binding activity of all components obtained from elution with the Lipid A respectively to obtain a component B1 having the highest binding activity; separating the component B1 by adopting the high performance liquid chromatography, and detecting the binding activity of all components obtained from separation with the Lipid ...

Highland oxygen inhalation mask

The invention provides a highland oxygen inhalation mask. The highland oxygen inhalation mask comprises an elbow, an oxygen storage container, an oxygen concentration alarm module and an oxygen inhalation auxiliary heating module, wherein two pipe orifices of the elbow are respectively connected with an oxygen inlet and the oxygen storage container, an oxygen conveying tube penetrates through the outer wall of the elbow, and is stretched out of the top of the elbow, the bottom of the oxygen conveying tube is stretched into the oxygen storage container, two ends of the oxygen concentration alarm module are open, an oxygen concentration sensor, a flicker alarm, a micro circuit board and a battery are installed in the oxygen concentration alarm module, one port of the oxygen concentration alarm module is connected with an exhaled air outlet, exhaled air can pass through the other port of the oxygen concentration alarm module, two ends of the oxygen inhalation auxiliary heating module are open ...

Single-phase circuit breaker

The invention discloses a single-phase circuit breaker comprising a plastic base, a plastic upper cover, wiring assembly installed on the base, contact system, operation mechanism and tripping device; the wiring assembly comprises a input terminal and a output terminal; the contact system comprises a dynamic contact and a static contact, a overload tripping mechanism and a remote electromagnetic tripping mechanism; the overcurrent tripping protection mechanism and overload tripping protection mechanism are vertically mounted on the base; the remote electromagnetic tripping mechanism is horizontally mounted on the base and positioned near output terminal of the tripping trigger rod. The invention has merit of realizing remote command-opening.

Photocatalysis separation film performance test device and its test method

Assembly circuit breaker spindle's anchor clamps

The utility model provides an assembly circuit breaker spindle's anchor clamps, includes and is used for fixed circuit breaker spindle's the platform that presss from both sides, this clamp bench is equipped with the arc wall of outer outward appearance adaptation bottom circuit breaker spindle, the circuit breaker spindle card is located in the arc wall, press from both sides the actuating mechanism that bench side was equipped with the depression bar of fixing circuit breaker spindle down and drove depression bar looks butt clamp platform reciprocating motion, circuit breaker spindle is fixed through be close to relative with the clamp platform to the depression bar.

Growth method of rectangular specially-shaped sapphire crystal

The invention discloses a growth method of a rectangular specially-shaped sapphire crystal, i.e. a crucible descending method characterized in that a crucible is a rectangular specially-shaped crucible which comprises a crucible body at the upper part and a seed slot at the lower part, wherein the seed slot and the crucible body are connected through a cambered surface in smooth transition and are rectangular, the adjacent sides of the rectangular crucible body are chamfer angle circular arcs in smooth transition; the width of the seed slot is smaller than the width of the crucible body, and the length of the seed slot equals the length of the crucible body. By adopting the specially-shaped crucible and the melt descending method, a large-size high-quality high-yield c-surface sapphire crystal used by an LED (Light-Emitting Diode) substrate is made; the utilization rate of a sapphire material is improved, and the cost is effectively decreased; and the growth technology has simple operation ...

Bridgman-Stockbarge method single crystal growth furnace and application thereof

The invention discloses a Bridgman-Stockbarge method single crystal growth furnace. The furnace comprises a furnace body with a closed cavity, a crucible and a vertical movement mechanism, wherein a central hole is formed on a furnace bottom plate of the furnace body and an insulating layer on the inner side of the furnace bottom plate and is communicated with the closed cavity; the vertical movement mechanism passes through the central hole and moves up and down along a central shaft of the furnace body; and when the vertical movement mechanism is hermetically connected with the furnace body, one end of the vertical movement mechanism stretching into the closed cavity is positioned at the upper end of the closed cavity and is connected and fixed with the crucible. By the Bridgman-Stockbarge method single crystal growth furnace, the insulating layer and a heating body can be effectively prevented from being touched when materials are fed into the crucible and the crucible discharges materials ...

Flotation column and flotation method for lean iron ore

The invention relates to the technical field of chemical engineering, and particularly and firstly discloses a flotation column and then discloses a method for floating lean iron ore by using the flotation column. The method comprises the following steps: (1) injecting a medicament solution and compressed air into the flotation column through a pressurizing pump, wherein the medicament solution comprises 0.8-1.2g/L of a capturing agent, 0.4-0.6g/L of an inhibitor and 2.0-3.0g/L of a foaming agent and the flow of the pressurizing pump is 500-800L/h; and (2) after the liquid level height of the flotation column reaches a pipe opening of an overflowing material discharging pipe, opening a tailing discharging pipe and a valve of an ore concentrate outlet; switching on a power supply of an electromagnetic coil assembly; meanwhile, pumping ore pulp into the flotation column through an ore pulp feeding pipe and then discharging a material, namely a target product, from the ore concentrate outlet ...

Device is prevented falling after rise by contact of circuit breaker

The utility model provides a device is prevented falling after rise by movable contact pole and contact that circuit breaker contact prevents falling after rise the device, including pivot, stationarycontact pole, can be at the pivot internal rotation the contact prevent falling after rise the device including sliding pin, locating pin and spring, the movable contact pole be central symmetrical structure, its centre of symmetry both ends all are equipped with the contact and prevent falling after rise the device, the movable contact pole on be equipped with the first draw -in groove that supplies the sliding pin card to go into, movable contact pole both sides are equipped with the baffle, and the skew sliding pin one side of this baffle is equipped with the notch, the notch inside callipers be equipped with the locating pin, movable contact pole both sides all are equipped with the spring, spring one end is connected the other end with the sliding pin and is connected with the locating ...

Hybrid cation-exchange adsorbing substance for removing heavy metal ion and preparation method

The invention discloses a hybrid cation exchange adsorbent for removing heavy metal ions and a preparation method thereof. The invention is characterized in that a silane coupling agent and acid anhydride are in epoxy ring cleavage reaction in inert atmosphere or air at the temperature of minus 78 to 200 DEG C, wherein the mol ratio of the silane coupling agent to the acid anhydride is 0.1 to 10 : 1; after the reaction product is dissolved by a solvent, the sulfonation reaction or the oxidation reaction is carried out, the product generated by the sulfonation reaction or the oxidation reaction is dried at the temperature of 40 to 200 DEG C after being cleaned with water or ethanol, and then, the hybrid cation exchange adsorbent which can be used for removing the heavy metal ions can be obtained. Weakly acidic cation exchange groups and strongly acidic cation exchange groups are simultaneously formed on the molecule chain of the hybrid cation exchange adsorbent for removing the heavy metal ...

Growth method of rectangular specially-shaped sapphire crystal

The invention discloses a growth method of a rectangular specially-shaped sapphire crystal, i.e. a crucible descending method characterized in that a crucible is a rectangular specially-shaped crucible which comprises a crucible body at the upper part and a seed slot at the lower part, wherein the seed slot and the crucible body are connected through a cambered surface in smooth transition and are rectangular, the adjacent sides of the rectangular crucible body are chamfer angle circular arcs in smooth transition; the width of the seed slot is smaller than the width of the crucible body, and the length of the seed slot equals the length of the crucible body. By adopting the specially-shaped crucible and the melt descending method, a large-size high-quality high-yield c-surface sapphire crystal used by an LED (Light-Emitting Diode) substrate is made; the utilization rate of a sapphire material is improved, and the cost is effectively decreased; and the growth technology has simple operation ...

Method for growing sapphire crystal

The invention discloses a method for growing sapphire crystal, which is a directional solidification and descending method, comprising the following steps of: at the growth initial stage of the sapphire crystal, growing at the bottom of a melt in a directional solidification method, uniformly cooling the temperature field, moving the growing solid-liquid interface from bottom to top, and gradually growing the crystal; at the growth mid-later stage of the sapphire crystal, starting a descending device to uniformly descend a crucible in a certain speed; after finishing the growth of the crystal, slowly cooling the temperature to room temperature, and then taking the crystal out. The growing technique adopting the directional solidification and descending method successfully integrates the directional solidification method and the descending method, effectively inherits the advantages of the two methods and also obviously improves the defects of the two growing techniques; and the growing ...

Preparation method of hybrid film adsorbent for removing heavy metal ions in water

The invention discloses a preparation method of a hybrid film adsorbent for removing heavy metal ions in water. The preparation method is characterized in that: in an inert atmosphere or in air, at 0 ~ 150 DEG C, a crosslinking agent as a reactant is added into a polyvinyl alcohol water solution with the mass percent concentration of 0.1% ~ 10%, and the mass ratio of polyvinyl alcohol: crosslinking agent is 1:0.01 ~ 0.1, under the effects of a dilute acid with the molar concentration of 0.001-0.1M, a cross-linking reaction is performed to obtain a solution, a silane coupling agent is added into the solution, and the mass ratio of polyvinyl alcohol (PVA): silane coupling agent is 1:0.1-1.0, a sol-gel reaction is performed to obtain a product, the product is statically stood for defoaming, and then is coated with a film to obtain a film sheet, and the obtained film sheet is dried to obtain the hybrid film adsorbent for removing the heavy metal ions in the water. The hybrid film adsorbent ...

Separating film with photocatalysis property and method for preparing the same

Cell culturing system capable of precisely controlling dissolved oxygen concentration of nutrient solution

The invention discloses a cell culturing system capable of precisely controlling the dissolved oxygen concentration of a nutrient solution. The system comprises a carbon dioxide cell incubator, a dissolved oxygen concentration censor, a carbon dioxide censor, an oxygen concentration sensor, a specific cell culturing bottle, an oxygen concentration control system, a carbon dioxide gas cylinder and a nitrogen gas cylinder. The culturing system capable of precisely controlling the dissolved oxygen concentration of the nutrient solution has the beneficial effects that supply of oxygen of the incubator is further fed back and regulated by real-time monitoring changes of the dissolved oxygen concentration of the nutrient solution in a culturing bottle; the concentration of oxygen in the incubator can be increased by increasing supply of oxygen of the incubator to solve the problem of reduction of dissolved oxygen concentration of the nutrient solution caused by mass multiplication of cells, so ...

Preparation method of hybrid absorbent used for removing heavy metal nickel ions in water

The invention discloses a preparation method of a hybrid absorbent used for removing heavy metal nickel ions in water. In an inert atmosphere or air, under a temperature of 0-100 DEG C, epichlorohydrin is added into a silane coupling agent according to a reactant volume ratio that silane coupling agent to epichlorohydrin is 10-0.01:1; a sol-gel reaction is carried out for 1-48h, such that a sol-gel reaction product is obtained; the sol-gel reaction product is allowed to stand and is defoamed; the product is dried for 1-48h in an inert atmosphere or air with a temperature of 0-200 DEG C and a relative humidity of 50-90%, such that the hybrid absorbent used for removing heavy metal nickel ions in water is obtained. The hybrid absorbent can present in structural morphology of particles, membranes or rods. The absorbent can or cannot contain a support substrate. The hybrid absorbent can be used for removing the heavy metal nickel ions in water with an absorption separation method, and has relatively ...

Rotary coding switch

The invention discloses a rotary coding switch comprising : an insulted substrate installed with metal contact point pole, upper cover and rotary switch body; The substrate is provided with annular common electrode and separate electrode positioned at periphery of common electrode characterized in that the rotary coding switch comprises at least two rotary switch bodys; number of annular common electrode is the same as that of rotary switch bodys. The invention has merits of integration of multiple rotary switches for realizing coding technology effect.

Intelligent plastic shell circuit breaker

The invention discloses an intelligent plastic shell circuit breaker, comprising a plastic base and an upper cover, wherein, the base is provided with a contact mechanism, an operating mechanism, a tripping mechanism and a current transformer device; the upper surface of the upper cover is provided with an electronic operating switch and a display screen observation window; the operating mechanism comprises a switch-on and switch-off operating handle; the current transformer device comprises a current transformer, a substrate which is used for placing the current transformer and a cover body which matches with the substrate; the substrate is provided with a placement chamber which is used for placing the current transformer, an installation opening which is used for introducing the current transformer and a location boss which is used for locating the current transformer; the center of the location boss is provided with wiring holes; the cover body is provided with through holes which match ...

Photocatalysis separation film performance test device and its test method

The invention discloses a photocatalysis separating film performance detecting device and the detecting method. The device relates to a photocatalysis separating film (3) which is positioned between a container of an object to be degraded (2), the inlet of which is connected with a flow sensor (10), an electromagnetic regulating valve (11), a pressure increasing and reducing device (12) and a container of an object to be detected (13) in turn and a reagent container (6), the outlet of which is connected with a detector (4); an optical source (1) is arranged in parallel with the photocatalysis separating film (3); the flow sensor (10), the electromagnetic regulating valve (11), the pressure increasing and reducing device (12) and the detector (4) are all electrically connected with a computer (8); the method includes preparing a fluid, selecting the detector, confirming the optical source, controlling the degrading process by the computer and calculating the photocatalysis quanta efficiency ...

Hybrid cation-exchange adsorbing substance for removing heavy metal ion and preparation method

The invention discloses a hybrid cation exchange adsorbent for removing heavy metal ions and a preparation method thereof. The invention is characterized in that a silane coupling agent and acid anhydride are in epoxy ring cleavage reaction in inert atmosphere or air at the temperature of minus 78 to 200 DEG C, wherein the mol ratio of the silane coupling agent to the acid anhydride is 0.1 to 10 : 1; after the reaction product is dissolved by a solvent, the sulfonation reaction or the oxidation reaction is carried out, the product generated by the sulfonation reaction or the oxidation reaction is dried at the temperature of 40 to 200 DEG C after being cleaned with water or ethanol, and then, the hybrid cation exchange adsorbent which can be used for removing the heavy metal ions can be obtained. Weakly acidic cation exchange groups and strongly acidic cation exchange groups are simultaneously formed on the molecule chain of the hybrid cation exchange adsorbent for removing the heavy metal ...

Single-phase circuit breaker

The invention discloses a single-phase circuit breaker comprising a plastic base, a plastic upper cover, wiring assembly installed on the base, contact system, operation mechanism and tripping device; the wiring assembly comprises a input terminal and a output terminal; the contact system comprises a dynamic contact and a static contact, a overload tripping mechanism and a remote electromagnetic tripping mechanism; the overcurrent tripping protection mechanism and overload tripping protection mechanism are vertically mounted on the base; the remote electromagnetic tripping mechanism is horizontally mounted on the base and positioned near output terminal of the tripping trigger rod. The invention has merit of realizing remote command-opening.

Rotary coding switch

The invention discloses a rotary coding switch comprising : an insulted substrate installed with metal contact point pole, upper cover and rotary switch body; The substrate is provided with annular common electrode and separate electrode positioned at periphery of common electrode characterized in that the rotary coding switch comprises at least two rotary switch bodys; number of annular common electrode is the same as that of rotary switch bodys. The invention has merits of integration of multiple rotary switches for realizing coding technology effect.

Method for preparing cobalt-free black ceramic pigment by using copper ore tailings and product manufactured by using same

The invention relates to a method for preparing cobalt-free black ceramic pigment by using copper ore tailings and a product manufactured by using the same. The method adopts the following industrial chemical raw materials and industrial waste slag copper tailings in percentage by weight: 10-20 percent of copper tailings, 25-35 percent of iron oxide, 26.9-30 percent of chromic oxide, 7-10 percentof nickel oxide and 15-25 percent of copper oxide. The product is obtained by mixing, calcining, pulverizing, washing, drying, pulverizing and drying, wherein the calcining temperature is 1,180-1,250DEG C, and the temperature is kept for 60 minutes. Spinel particles which are CuCr2O4, Fe3O4 and Cr2NiO4 formed by solid phase reaction and black iron-nickel olivine sosoloid completely absorb visible light in the wavelength range of 380-780nm, thereby obtaining the black ceramic pigment product with stable color and pure chroma. The product can be widely applied to decorate various daily and architectural ...

Intelligent plastic shell circuit breaker

The invention discloses an intelligent plastic shell circuit breaker, comprising a plastic base and an upper cover, wherein, the base is provided with a contact mechanism, an operating mechanism, a tripping mechanism and a current transformer device; the upper surface of the upper cover is provided with an electronic operating switch and a display screen observation window; the operating mechanism comprises a switch-on and switch-off operating handle; the current transformer device comprises a current transformer, a substrate which is used for placing the current transformer and a cover body which matches with the substrate; the substrate is provided with a placement chamber which is used for placing the current transformer, an installation opening which is used for introducing the current transformer and a location boss which is used for locating the current transformer; the center of the location boss is provided with wiring holes; the cover body is provided with through holes whichmatch ...

Separating film with photocatalysis property and method for preparing the same

The invention discloses a separation membrane with photocatalysis property and the preparation method. The separation membrane is constituted as intermittent composite TiO2 film (3)is used to cover asymmetric hole transparent body (2). The composite TiO2 is constituted by TiO2 and rare earth metal with the weight proportion of 98-99.99%: 0.01-2%. The film thickness is 5-100nm. Reflectivity and transmittance of asymmetric hole transparent body (2)to ultraviolet or visible light are 0-80% and 0-95% respectively. The method is that after composite TiO2 sol is prepared by butyl titanate precursor 0.01-3% by weight of composite sol of polyethylene glycol is added in it; then asymmetric hole transparent body is emerged into the composite sol for at least one minute and it the asymmetric hole transparent body is dried for at least 5 hours under the temperature of 30-100deg.C after it is fetched out; the procedure mentioned above is repeated more than one time; finally the asymmetric hole transparent ...

Withdrawable circuit -breaker's automatic release mechanism

The utility model provides a withdrawable circuit -breaker's automatic release mechanism, withdrawable circuit -breaker include the circuit breaker body and take out the drawer type socket, the circuit breaker body on be equipped with isolated moving contact, be provided with the four -bar linkage that control contact closed the switch that closes or break off and drive switch transmission function in the circuit breaker, four -bar linkage includes little knot again, hasp, reaches the jump knot, take out and be equipped with operating handle on the drawer type socket and keep apart the staticcontact with the isolated moving contact assorted, automatic release mechanism includes traction lever, ejector pin, support, hasp board, driving plate, torsional spring and sliding shaft, and realization isolation contact is when switch -on or disconnection electric loop, and the main contact that drives the circuit breaker automatically is at off -state to it operates under the idle condition toguarantee ...

Contact positioning mechanism of circuit breaker

The utility model provides a contact positioning mechanism of circuit breaker, includes base, operating device, connecting rod, pivot, universal driving shaft, long static contact and lack the staticcontact down, operating device locates on the base, the pivot install in the base and with the cooperation of shaft coupling linkage rotation, outside this shaft coupling extends to the base, operating device and shaft coupling are connected respectively to the connecting rod down, operating device orders about shaft coupling drive pivot rotation through driving down the link motion, be equipped with splint and axle on the base, this splint extend cover to the pivot terminal surface as the link, the link corresponds pivot rotation center position and is equipped with rotatory hole, pivot around the Center symmetry is equipped with first shaft coupling and second shaft coupling, is equipped with the connecting rod between this first shaft coupling and the second shaft coupling, and the connecting ...

Method for manufacturing ZnO:Li transparent conducting thin film with wide spectral domain light transmission characteristic and directly-growing meteor crater fabric surface

The invention relates to a method for manufacturing a ZnO:Li transparent conducting thin film with a wide spectral domain light transmission characteristic and a directly-growing meteor crater fabric surface and a manufactured product of the method. A magnetron sputtering method is adopted, the high-temperature volatile characteristic of Li atoms is utilized, the temperature of a high and low temperature substrate in the sputtering deposition process is controlled to achieve modulation doping, and the problem that the light transmission rate and electrical conductivity of a visible-infrared waveband of a ZnO transparent conducting thin film are restricted mutually is solved. A ZnO:Li thin film layer is hydrogenated, a ZnO:Li-H transitional loose layer grows, a dipole face (1000) appears, oxygen is absorbed, a vacuum level is moved upwards, and the problem that a potential barrier between ZnO:X-H and a battery window layer is too high is solved. The surface of the transitional loose layer ...

Plateau oxygen uptake veil

The utility model provides a plateau oxygen uptake veil, including the elbow, storing up oxygen container, oxygen concentration alarm module and the subsidiary hot mold piece of breathing in, the two mouth of pipe of elbow is connected oxygen uptake gas respectively and is entered the mouth, is stored up the oxygen container, and oxygen therapy is managed and is passed the elbow outer wall and follow the elbow top and stretch out, and oxygen therapy socle portion stretches into and stores up in the oxygen container, oxygen concentration alarm module both ends opening, oxygen concentration alarm module embed has the oxygen concentration sensor, scintillation horn, microcircuit board and battery, and the export of exhaling is connected to the one of which port, and messenger expired gas wears out from another port, the subsidiary hot mold piece both ends opening of breathing in, it is built -in to have high -efficient ceramic heat -generating body and an aluminium system fin, and its one ...

Method for preparing cobalt-free black ceramic pigment by using copper ore tailings and product manufactured by using same

The invention relates to a method for preparing cobalt-free black ceramic pigment by using copper ore tailings and a product manufactured by using the same. The method adopts the following industrial chemical raw materials and industrial waste slag copper tailings in percentage by weight: 10-20 percent of copper tailings, 25-35 percent of iron oxide, 26.9-30 percent of chromic oxide, 7-10 percent of nickel oxide and 15-25 percent of copper oxide. The product is obtained by mixing, calcining, pulverizing, washing, drying, pulverizing and drying, wherein the calcining temperature is 1,180-1,250 DEG C, and the temperature is kept for 60 minutes. Spinel particles which are CuCr2O4, Fe3O4 and Cr2NiO4 formed by solid phase reaction and black iron-nickel olivine sosoloid completely absorb visible light in the wavelength range of 380-780nm, thereby obtaining the black ceramic pigment product with stable color and pure chroma. The product can be widely applied to decorate various daily and architectural ...