634results about How to "Less distracting factors" patented technology

The invention discloses a measurement method of a volatile organic compound in tobacco lining paper with high determination accuracy and good repeatability, which is suitable for simultaneously determining dozens of volatile organic compounds. The measurement method is as follows: taking fluorobenzene as an internal standard substance; using headspace gas chromatography for measuring the content of the volatile organic compound in the tobacco lining paper; wherein a detector in the headspace gas chromatography is a mass spectrometry detector. The measurement method takes the fluorobenzene as the internal standard substance, uses the headspace gas chromatography/mass spectrometry for measuring the content of the volatile organic compound in the tobacco lining paper, and has the following advantages that the fluorobenzene has stable chemical property and are very similar to determinand in every performance, and the peak time appears in the middle of 19 target VOCs to be detected; therefore, the fluorobenzene is the very suitable internal standard substance, can eliminate the influence of ground substance in the tobacco lining paper on the measurement, causes materials which can not or are difficult to peak to be measured, and has high measurement accuracy and few interference factors.

The invention relates to a maintenance method for shield equipment and discloses a method for replacing a tail brush in a shield tunnel through liquid nitrogen freezing. The method comprises the following processing steps: 1, preparation of construction; 2, construction of freezing holes; 3, installation of a freezing system and a temperature measuring system; 4, construction of liquid nitrogen freezing; 5, construction of sealing maintenance of a shield tail; 6, construction of formation sealing of the freezing holes; 7, construction of forced thawing; and 8, construction of propulsion of shield recovery. According to the invention, stratum is frozen through a liquid nitrogen freezing method to form a frozen curtain, so that the defect of indeterminacy of a traditional grouting method for carrying out the treatment of stratum consolidation and water sealing to bearing pressure permeable stratum can be avoided; and the method has the advantages of high strength, good uniformity, good water-resisting property and the like.

The invention discloses a system and method for automatic matching and remote centralized interpretation of intelligent channels for travel inspection, and the system comprises an automatic matching and remote centralized interpretation system AMRSS and an automatic basket returning system ABRS that are connected together. The method, by matching uniquely identification tag of the facial feature information and the tray, achieves accurate matching of passenger information, identification tags and image information, realizes the automatic recheck of suspicious luggage and reduces the labor intensity of the security inspectors. Through the design and allocation of multiple basket taking stages, interpretation of multiple operators and recheck of multiple openers, the efficiency of security inspection is improved, the number of passengers and the waiting time of passengers can be predicted, and the waiting time of passengers can be reduced. The cooperation of the automatic matching and remote centralized interpretation system and the automatic transmission subsystem for the travel inspection completes the jobs of people-baggage correspondence, centralized interpretation, baggage sorting and tray recycling, improves the pass rate of passengers in the travel inspection channels, realizes the management of people-baggage correspondence, and reduces the labor intensity of security inspectors.

The invention relates to a fan-out system in a package (SIP) method. The method comprises the following steps: providing a support plate; forming a stripped membrane on the support plate; forming protective layers on the stripped membrane and forming re-wiring metal layers in the protective layers; forming wiring packaging layers conducted with the re-wiring metal layers on the protective layers and forming wire bonding packaging layers on the wiring packaging layers; and removing the support plate and the stripped membrane to expose the re-wiring metal in the first protective layers and forming metal solder balls on the exposed re-wiring metal, wherein the packaging layers are electrically connected with each other. Compared with the prior art, the method which the invention requests to protect has the following beneficial effects: the final packaged products having the functions of the whole system instead of the functions of the single chip can be formed; the interference factors among the resistors, inductors and chips in the system are reduced; and besides, the more complex multilayer interconnection structure can be formed and higher integration level wafer SIP can be realized.

The invention discloses a correlation filtering tracking method and device based on depth information. The method comprises the following steps: quantifying the depth information adaptively to obtaina depth image segmentation result based on a depth image segmentation technology; constructing layered structures of three-dimensional space models corresponding to different scenes by means of the depth image segmentation result; and processing target scale change and detecting shielding by means of the layered structures and in combination with a kernel correlation filtering tracking algorithm.According to the invention, foreground and background information is filtered to reduce interference factors of tracking on the one hand, and a sophisticated image character extraction technology is combined; on the other hand, with the using method of simplifying the depth information by means of the layered structures, processing of target scale change and detection of shielding are easier. By combining the kernel correlation filtering tracking algorithm, a tracking method of a two-dimensional appearance model in a space structure is employed, so that shielding and target scale change can becoped with effectively, and the visual tracking effect is improved.

The invention discloses a repairing system and method for heavy metal-organic combined polluted soil and underground water. The repairing system comprises an electric repairing system, a resistance heating system, a soil gas-phase extraction system, an extracted gas phase treatment system and a system switchover system. The electric repairing system comprises a positive electrode and a negative electrode connected with a direct current power source, and the positive electrode and the negative electrode are arranged in a positive electrode electrolytic cell and a negative electrode electrolytic cell respectively. The resistance heating system comprises a positive electrode and a negative electrode connected with an alternating current power source. The system switchover system comprises a control device which controls the switching-on and off of a first switch and a second switch through a temperature detector probe. According to the repairing system, the electrodes are applied to the resistance heating system and the electric repairing system, effective combination and unification of the electric repairing technology and the heat treatment technology are achieved, equipment of the system is simplified, the repairing effect is enhanced, and the removal efficiency is improved.

The invention discloses an automatically extracting method for the river-valley morphological parameters based on DEM, and relates to the field of digital geomorphology analysis. The automatically extracting method includes the steps that DEM data for analyzing a river-valley drainage basin is obtained; all rivers belonging to the river-valley drainage basin are obtained and numbered, and sampling points of a longitudinal section are taken at a certain sampling interval a; the morphological parameters of the longitudinal section of a river valley and the morphological parameters of the transverse section of the river valley are calculated. By means of the automatically extracting method, river-valley geomorphology and subsection difference can be represented in the microscopic view, and the whole terrain of the river valley can be analyzed; representation is comprehensive; the calculated parameters are small in interference factor and high in accuracy and operation efficiency.

The invention relates to a fan-out high-density packaging method, which comprises the following steps of: providing a carrier plate; forming a stripping membrane on the carrier plate; forming protective layers on the stripping membrane; forming a rewiring metal layer in the protective layers; forming wiring packaging layers which are conductive with the rewiring metal layer on the protective layers; forming inversion packaging layers on the wiring packaging layers, wherein the packaging layers are connected electrically and mutually by wiring layers and welding flux salient points; removing the carrier plate and the stripping membrane, so that rewiring metal in a first protective layer is exposed; and forming a metal welded ball on the exposed rewiring metal. Compared with the prior art, the fan-out high-density packaging method has the advantages that: a final packaging product with an integral systemic function instead of a single chip function can be formed, and the resistance and inductance in a system and interference factors among chips are reduced. In addition, a complex multi-layer interconnection structure can be formed, so that the wafer system-level packaging of a higher integration level is realized.

The invention discloses a method for determination of the polychlorotrifluoroethylene (PCTFE) content in a polymer-bonded explosive (PBX) by near infrared spectroscopy. The method includes the steps of: preparing and collecting 260 PBX samples, taking 180 samples of them as a calibration set for establishing a calibration model, taking the remaining 80 samples as a validation set for model validation, and acquiring the near infrared spectrum data of all the samples; using a standard method to determine the PCTFE content in the samples; subjecting the spectrum data of the validation set samples in the wave bands of 6102.0cm<-1>-5697.0cm<-1> and 4680.2cm<-1>-4242.9cm<-1> to a first order derivative treatment, correlating the treated spectrum data with the PCTFE content by a partial least squares method, and establishing the calibration model by cross validation; employing the calibration model to predetermine the PCTFE content of the validation set samples, and selecting an optimal model according to a minimum root mean squared error of prediction (RMSEP) of the validation set; and acquiring the near infrared spectrum data of the samples to be determined, and making use of the optimal model to obtain the PCTFE content directly. Being suitable for determination of the PCTFE content in a PBX explosive, the method has the characteristics of convenient operation, and rapid and accurate analysis.

The invention provides a full-automatic plate illuminator and an illumination detection method thereof. The full-automatic plate illuminator comprises an incubation tower, a sample feed system, a chemical luminous reader, a plate cleaner and a plate cleaning container region, wherein the sample feed system is connected with the incubation tower, the chemical luminous readout instrument and the plate cleaner and controls the transmission of a micro-porous plate among the incubation tower, the chemical luminous readout instrument and the plate cleaner; the plate cleaner is arranged correspondingly to the plate cleaning container region; the chemical luminous readout instrument can process chemical luminous immunity test on the micro-porous plate. Compared with the prior art, the invention has the advantages that: the full-automatic plate illuminator has less interference factors, accurate result and simple quality control in automatic immunity analysis; the fast analysis can on-timely feedback information to clinic application; the invention can save manpower and materials, thus is beneficial to the test of batch samples.

The invention discloses an artificial aphid propagation method. Peas are utilized as a host plant to culture aphids and collect, select and store the propagated aphids. The artificial aphid propagation method realizes the large-scale, low-cost and standardized production of the aphids, makes the annual production of the aphids be possible and provides sufficient fodder or adding ingredients of artificial fodder for the growth and the propagation of natural enemy insects.

The invention provides a method for determining the sinter mixture granularity, which comprises the following steps of: (1) sample collection: sampling samples and determining the sample quantity; (2) sample preparation: reducing, dividing and freezing the samples; (3) screening: selecting screening equipment, determining the screening procedure, determining the screening time and carrying out screening; (4) weighing: weighing the weight of screened materials in all size grades; and (5) size grade calculation: calculating the percentage corresponding to all size grades according to a formula after the weighing completion of the samples in all size grades, recording the percentages, and calculating the average granularity. The method is characterized in that in the second step, the samples are frozen by a refrigerator after reduction and division. When the method is used, the problems that in the existing granularity determining method, the mixture size grade composition under the actual production condition cannot be objectively reflected, the mixed pelletization effect enhancing measure cannot be reasonably evaluated, and the like can be solved. The method has positive effects of effectively improving the proportioning, stabilizing the sinter process and stabilizing and improving the sinter mineral quality on sinter work procedures.

The invention discloses a measurement method of a protected layer swelling deformation quantity. The method comprises the steps of (a) using a drilling machine to drill a hole, (b) using the drilling machine to carry out reaming operation on the drill hole, (c) sending a top plate displacement measuring device to the top of the drill hole, and then sending a bottom plate displacement measuring device to the top end of an expanded hole, (d) fixing a hollow rod to the opening of the drill hole, (e) recording top plate displacement measuring device initial data d1 and bottom plate displacement measuring device initial data d2, (e) after the protection layer working surface is pushed, reading top plate displacement measuring device initial data d3 and bottom plate displacement measuring device initial data d4, (g) substituting the data collected in two times into a formula D=(d4-d2)-(d3-d1) to calculate and obtain the protected layer swelling deformation quantity. According to the method, the displacement measuring devices are arranged at the top plate and the bottom plate of a protected layer, the factors of unstable drill hole and unstable collapse holes are overcome, the swelling deformation of the protected layer can be timely captured, and the measurement is more accurate.

The invention relates to a high-density system-in-a-package method comprising the following steps of: supplying a base plate; forming at least one group of wiring packaging layers on the base plate, wherein the step of forming at least one group of wiring packaging layers includes the steps of sequentially forming an adhering layer, a packaging layer and a wiring layer on the base plate; forming lead bonding packaging layers on the tail group of wiring packaging layers, wherein the step of forming the lead bonding packaging layers includes the steps of sequentially forming an adhering layer, a metal lead bonding layer and the packaging layer; and bumping below the base plate. Compared with the prior art, by adopting the high-density system-in-a-package method disclosed by the invention, a final packaging product containing an integral system function but not a single chip function can be formed, the factor of the interference among the resistance, the inductance and the chip inside a system is reduced; and besides, by means of the high-density system-level packaging method, a more complicated multilayer interconnected structure can be formed, and the wafer system-in-a-package with higher integrated degree is realized.

A pressure-type control method with shift monitor for the hydraulic forming machine using powder as raw material is disclosed. A shift sensor is used to monitor the relative shift between upper and lower moulds. The shift value is used as the feedback parameter of closed-loop hydraulic control system. When the relative shift value is correspondent with the predefined thickness variation of powder, it is determined that the powder has been pressed by a predefined pressure, so performing a closed-loop control.

The invention relates to a device and method for testing performances of a commercial circulating heat pump water heater. The device includes a water-inlet temperature test component, a water-outlet temperature test component, a three-way valve, a flowmeter and a water pump, wherein the water-inlet temperature test component and the water-outlet temperature test component are arranged at a water inlet of a tested machine and a water outlet of the tested machine respectively and are used for testing the water-inlet and water-outlet temperatures of the tested machine, a first inlet of the three-way valve is connected with a water-outlet pipeline of the tested machine, a second inlet of the three-way valve is connected with a constant-temperature-water water-inlet pipeline, the outlet of the three-way valve is connected with a standard water tank through a water-inlet pipeline of the standard water tank, the flowmeter is arranged on a water-inlet pipeline between the three-way valve and the standard water tank, and the water pump is arranged on a water-outlet pipeline of the standard water bank and is used for transporting heated medium water to the water outlet of the tested machine. The method for testing the performances of the commercial circulating heat pump water heater by using the device includes the steps of preparation, test operation and test calculation. According to the method and device, interference factors are reduced, the heat-pump heating capacity of the commercial circulating heat pump water heater can be accurately tested.

The invention discloses a calcitonin magnetic particle chemiluminescent detection kit and a preparation method. The kit includes: magnetic particles coupled with calcitonin capture antibody, acridinium ester-labeled calcitonin detection antibody, calcitonin calibrator, chemiluminescence pre-excitation solution A, chemiluminescence excitation solution B and cleaning solution. The kit of the invention uses the magnetic separation chemiluminescence technology as the detection means, and simultaneously combines the acridinium ester labeling technology. The direct chemiluminescence method established by the invention has high sensitivity, strong specificity, accuracy and rapidity, short detection time and higher accuracy and repeatability of detection results, and the kit can be applied to various luminescence detection instruments.

The invention relates to a culture method for plant seedlings. The plant seedlings are cultured by a ventilated root division culture device, the side surfaces of two culture bowls of the device are in butt joint, a cover plate and a culture plate are arranged on the two culture bowls, culture holes are formed in the culture plate, and vent holes are formed in the two sides of the culture holes. The culture method comprises the followings steps: the plant seedlings of 3 days are taken and cultured in a Hoagland's nutrient solution with the concentration of 50 percent for 2 days then in a Hoagland's nutrient solution with the concentration of 100 percent for 12 days, the plant seedlings growing consistently are taken, the stems of the plant seedlings are wrapped by nutrient cotton and fixed in the culture holes of the culture plate, the roots of the plant seedlings are divided into a group A and a group B, the group A is put into the culture bowl containing the Hoagland's nutrient solution, and the group B is put into the culture bowl containing a nutritional deficiency nutrient solution; the pH values of the nutrient solutions are regulated to 6 at 8 o'clock in the morning and 15 o'clock in the afternoon; the nutrient solutions are changed every other three days; and after 4-12 days, the plant seedlings are taken out. The operation is simple, and the personal errors are reduced, so that the research result is more accurate, the culture time is saved, and the working efficiency is improved.

The present invention belongs to the medication technical field and discloses hydrochloric ambroxol dry powder inhalant and a preparation method thereof. The hydrochloric ambroxol dry powder inhalant consists of hydrochloric ambroxol, dispersion flow aid and thinner, the weight percentage of which is 60 percent to 90 percent of the hydrochloric ambroxol, 10 percent to 30 percent of the dispersionflow aid and 0 percent to 40 percent of the thinner. The present invention comprises the following steps that the hydrochloric ambroxol or the hydrochloric ambroxol and the dispersion flow aid or thehydrochloric ambroxol, the dispersion flow aid and the thinner are processed for spray drying to obtain powder body which is collected into a glutin or plastic capsule or into an aluminum-plastic bubble cap or is contained inside a large dosage dry powder absorbing device as the storehouse form. The present invention adopts the dry powder inhalant to ensure that the hydrochloric ambroxol is directly absorbed into respiratory tract and lung by a medication device to act directly inside the respiratory tract, so as to achieve the purpose of the safe and targeting treatment with quick result andhigh efficiency.