Online film thickness monitoring system and light splitting device for high-resolution narrow-band spectrum

The invention discloses an online film thickness monitoring system and a light splitting device for a high-resolution narrow-band spectrum. The system comprises a light source, an emitting unit, a monitoring sheet, a receiving unit, a spectrum light-splitting device, a CCD array signal conversion system and a control acquisition unit. The spectrum light-splitting device comprises an incidence slit, a first collimating objective lens, a plane grating, a second collimating objective lens and a plane reflector. The online film thickness monitoring system for the high-resolution narrow-band spectrum combines the spectrum light-splitting device with a linear array CCD to achieve dynamic monitoring wavelength adjustment, a symmetrical spectrum band with the length of tens of nanometers for the left part and the right part respectively centering on a monitoring wavelength point is formed, a spectrum signal near 100 nanometers is obtained at each monitoring point, the spectrum data quantity is ...

High-density floated gyro strap-down inertial measurement unit

The invention discloses a high-density floated gyro strap-down inertial measurement unit, which comprises a shell bracket (1). The shell bracket (1) is provided with X, Y and Z gyroscope mounting planes and three accelerometer mounting planes respectively; the gyroscope mounting planes are provided with floated gyroscopes; the accelerometer mounting planes are provided with quartz flexible accelerometers; the shell bracket (1) is also provided with a secondary combination power supply (2) and a circuit board; the secondary combination power supply (2), the circuit board, the floated gyroscopes and the quartz flexible accelerometers are connected through internal cables to form a measurement circuit; and the shell bracket (1) is in sealing connection with a cover board (3) through a bolt. The invention provides the high-density floated gyro strap-down inertial measurement unit to meet the requirements of a tactical missile system on small volume and good anti-vibration property of the strap-down ...

Cultivation method of first-generation commercial seed hybrids of female Patinopecten caurinus and male Patinopecten yessoensis

A method for breeding commercial seedlings of female Patinopecten caurinus and male Patinopecten yessoensis hybrids. It is characterized by the establishment of multiple semi sibling populations of female Patinopecten caurinus and male Patinopecten yessoensis and their own self-reproductive populations; Select the best hybrid population, and the corresponding parental self-reproduction populations will become the female Patinopecten caurinus species production population and the male Patinopecten yessoensis species production population that can be used for commercial hybridization; After the scallops reach sexual maturity, the eggs of the female Patinopecten caurinus species production population and the sperm of the male Patinopecten yessoensis species production population are used to produce a hybrid first-generation commercial seed. The obtained hybrid first-generation commercial seedlings have the advantages of two scallops at the same time, with fast growth, wide adaptability and ...

Vertical multi-layer closed nuclear polyhedrosis virus multiplication process

The invention discloses a vertical multi-layer closed nuclear polyhedrosis virus multiplication process, which is accomplished by the following steps: 1, selecting a land, which has an area of more than or equal to 50m<2> and has naturally or artificially growth plant feed around and a water source nearby, as a multiplication room; 2, building a vertical trapezoid platform in the multiplication room for breeding larvae; 3, closing the doors and windows of the multiplication room; 4, collecting 2-2.5-year-old larvae of hyphantria cunea and placing the larvae on the multiplication platform flatly; 5, spraying viral liquid onto the placed larvae of hyphantria cunea; and 6, collecting corpses of larvae dead of diseases in a container containing sterile water to soak the corpses for 2 to 4 days, grinding and crushing the corpses in a homogenizing crusher to obtain homogenate, filtering the homogenate with a gauze element, subjecting residue filtered out to secondary grinding, filtering with ...

Be used for chamber temperature chamber to press measuring mount pad

The utility model discloses a be used for chamber temperature chamber to press measuring mount pad installs on the test hole on quick -witted casket installation limit for carry out the temperature and press the force measurement in installing test chamber with the test lead through the device. The mount pad includes interior mount pad and outer mount pad, and wherein, interior mount pad one end is fixed machine casket installation edge, the outer mount pad of other end connection, interior mount pad and the middle hole of all opening of outer mount pad, and with the test hole intercommunication. Interior mount pad is through the installation limit bolt tightening of former organic casket both sides, and with the complete cladding of test hole, outer mount pad passes through the screw to be connected with interior mount pad, and its cavity diameter can be matched according to the difference of test lead quantity. The utility model discloses not only making the assembly simpler, but also ...

Method and device for improving temperature error compensation precision of strapdown inertial navigator

The invention discloses a method and a device for improving the temperature error compensation precision of a strapdown inertial navigator, which comprises the following methods of: arranging a temperature measuring element near an initial element; taking a temperature signal acquired by the temperature measurement element as one path of multipath acquisition signals and feeding the temperature signal into a digital signal processor; temporarily saving the temperature signal received by the digital signal processor; and after sampling a signal by the initial element, simultaneously carrying out compensation calculation on three kinds of speed calibration state error and temperature error on the strapdown inertial navigator by running an error compensation program complied by a cubic spline interpolation function through the digital signal processor. Through simultaneously carrying out compensation calculation on the three kinds of speed calibration state error and the temperature error ...

Desulfidation process with addition of static calcium-spraying for simple smoke circulation fluidizing bed

The present invention relates to a desulfurization process by adding static calcium-spraying process on the simple flue gas circulating fluidized bed. Said invention includes static calcium-spraying, flue gas humidification and simple flue gas circulating fluidized bed. It centralizes the advantages of existent two desulfurization processes, and overcomes their respective defects, simplifies technological system and reduces its egineering cost.

Online film thickness monitoring system and light splitting device for high-resolution narrow-band spectrum

The invention discloses an online film thickness monitoring system and a light splitting device for a high-resolution narrow-band spectrum. The system comprises a light source, an emitting unit, a monitoring sheet, a receiving unit, a spectrum light-splitting device, a CCD array signal conversion system and a control acquisition unit. The spectrum light-splitting device comprises an incidence slit, a first collimating objective lens, a plane grating, a second collimating objective lens and a plane reflector. The online film thickness monitoring system for the high-resolution narrow-band spectrum combines the spectrum light-splitting device with a linear array CCD to achieve dynamic monitoring wavelength adjustment, a symmetrical spectrum band with the length of tens of nanometers for the left part and the right part respectively centering on a monitoring wavelength point is formed, a spectrum signal near 100 nanometers is obtained at each monitoring point, the spectrum data quantity islarge ...

TiN/GO composite ceramic coating with self-lubricating function and preparation method thereof

The invention discloses a TiN/GO composite ceramic coating with a self-lubricating function, the TiN/GO composite ceramic coating is located on the surface of a TC4 base material, and the TiN/GO composite ceramic coating is prepared from mixed powder composed of TiN with the mass content of 95-99 wt.% and GO with the mass content of 1-5 wt.%. The preparation method comprises the following steps: pretreating TiN and GO mixed powder; the pretreated TiN and GO mixed powder is prepared into preset powder slurry; and cladding the preset powder slurry on the surface of the pretreated TC4 base material by adopting a broadband laser cladding process to form the TiN/GO composite ceramic coating on the surface of the TC4 base material. The TiN/GO composite ceramic coating disclosed by the invention has good wear resistance and friction reduction performance, and the friction loss of a wear system is reduced.

New method for breeding abalone spat