42 results about "Experimental Unit" patented technology

The invention discloses a high-yield cost-saving efficiency-improving northern buckwheat cultivation method. The method includes the following steps of crop rotation, land preparation, variety selection, fertilization, seed treatment, seeding, field management and harvesting. Yield increase and incoming increase of buckwheat are realized by taking comprehensive measures like selecting proper seeding time and reasonable density, mainly applying base fertilizer and seed fertilizer, additionally performing topdressing, mainly using farm manure, additionally using chemical fertilizer and fertilizing proportionally. Experimental demonstration of new buckwheat varieties and the method is performed in part of main buckwheat producing areas in North China, Northwest, Southwest and Northeast and shows that yield is increased remarkably, more than 80% of experimental units realizes yield increase, cost is saved, and benefit is increased remarkably.

The invention relates to the field of hydraulic experiments, in particular to an experimental device and an experimental method for researching water flow characteristics of multiple types of river channel intersection ports. The aim is that the experimental device and the experimental method can carry out experiments on water flow characteristics of different types of river channel intersection ports, and are characterized by being easy to operate and being high in reutilization. The technical scheme is that the experimental device suitable for researching water flow characteristics of multiple types of river channel interaction ports is characterized by comprising a Y-shape symmetric river channel intersection experiment unit, two straight river channel interaction experiment units, a bending river channel and straight river channel intersection experiment unit, a water supplying pool set, and an external tank. The experimental method utilizing the experimental device for researching water flow characteristics of multiple types of river channel intersection ports includes the following steps: step 1, determining an experiment zone of intersection of three types of river channels; and step 2, conducting research on many issues through the structure of the external tank.

The invention discloses a spark plug of a gasoline engine with multiple laterals and a multifold gap. Various improved electrodes are provided, for example, an electrode (12) is provided with multiple laterals and a multifold gap, the middle of the electrode (12) is provided with the multifold gap (18) which is favorable for opening a discharging channel and is easy to have more sparking; an improved electrode is an electrode (21) provided with multiple laterals and a multifold gap (grid plate grid) and has the transverse characteristic of multiple plates which are favorable for forming grid plate grid lattice effect so as to improve the probability of electric sparks and drum shape discharging; and a particularly improved electrode is an electrode (22) provided with a round basin with a lateral surface and a dug middle acute-angle star, which is characterized by the round basin with the lateral surface and the dug middle acute-angle star, the electrode has the basin, the top and the lateral surface so as to increase the lateral discharging front, the five-pointed star dug in the middle of the electrode is favorable for the wedge effect of the discharging gap and marginal discharging effect to form asymmetrical multi-point random discharging channels so as to contribute to improving discharging probability and removing accumulated carbon, and the acute-angle star-shaped electrode is favorable for the continuous electric spark effect, turbulence-caused spark-front torsion, mutual penetration of molecules, the increase of turbulence rate and the increase of ignition probability. The various improved electrodes are selected according to different machine types, particularly ignition angles, more or less in experimental units during practical use.

The apparatus thereof comprises: a tested solution heating device and a cavitation experimental unit located above the tested solution heating device. The invention also comprises a temperature controller for controlling the tested solution temperature; the temperature controller comprises a temperature sensor. Said cavitation experimental unit comprises a supersonic generator; there is a transducer connected to the supersonic generator via a amplitude bar; on the bar head of the amplitude bar the test block is set.

The invention discloses an experimental device for studying uniform variable speed linear motion. The device includes a table body and an experimental unit, the experimental unit comprises an experimental board, supporting legs, a fixing frame, a connecting frame, a pulley, a vehicle body, a buckle ring, a connecting rope, a tension sensor, a hook, a paper tape and a dotting timer; the supportinglegs are vertically fixed at the four corners of the bottom of the experimental board, the fixing frame is fixed on the supporting legs at one end of the experimental board, and the supporting legs are fixedly connected with the table body through the fixing frame, and the other end of the bottom of the experimental board is in sliding connection with the connecting frame, the experimental board is fixedly connected with the table body through the connecting frame, the pulley is vertically mounted at one end of the top of the experimental board, the vehicle body is arranged on one side, located on the pulley, of the experimental board. According to the experimental device is used for studying uniform variable speed linear motion, the supporting legs are fixed at the bottom of the experimental board, the height of the experimental board can be adjusted through the supporting legs, so that teaching of the teacher can be facilitated and the experimental board can be conveniently fixed through the connecting frame and the fixing frame.

The invention aims to provide a multi-connection experiment system. A plurality of experimental units share a set of confining pressure loading pipeline and a penetration upstream pipeline, a sample is subjected to confining pressure in the experiment process, and the osmotic pressure is provided by a same confining pressure source and a permeation source; an axial pressure system of each experiment unit is independently connected with an axial pressure loading pump; and the permeation downstream is independently connected to an atmospheric pressure or a downstream permeation storage tank. A rock mechanical comprehensive experiment system with not less than two samples can be simultaneously carried out, and as expansibility, the system can be simply changed into the experimental system which only carries out single sample test according to the requirements of researchers.

This invention describes a new, high-efficiency method of selecting and advancing pollen donator strains in a breeding or product advancement program, wherein the pollen donator strains are specifically selected to maximize product attributes. Embodiments of this invention relate to the use of a mix of pollen from multiple potential pollen donator strains to cross-pollinate a female corn plant, allowing for single-plant performance comparisons. The comparisons of products from the single plant or less experimental unit allow for the selection of those pollen donator strains that maximize desirable results.

The invention discloses a theory and experiment integration synchronous teaching system. The theory and experiment integration synchronous teaching system comprises an experimental unit composed of experimental devices, a measurement and control unit for acquiring and controlling the experimental unit, and a teacher teaching unit for receiving data and audio-video signals acquired by the measurement and control unit and a control signal sent to the experimental unit so as to finish the theory and experiment integration synchronous teaching, wherein the teacher teaching unit also receives an operating command input by a student studying unit for analysis treatment, controls the measurement and control unit to perform real-time data acquisition on the experimental unit, and controls the measurement and control unit to output a command signal to control each experimental device in the experimental unit to carry out experimental operation demonstration. The theory and experiment integration synchronous teaching system can realize theory and experiment integration synchronous teaching efficiently; in addition, the student in the student studying unit controls the experimental unit to realize the theory and experiment integration synchronous studying through the measurement and control unit.

Methods of analyzing equivalency with respect to split and limited release lots of wafers of integrated circuits. One embodiment of the split-lot method includes: (1) dividing a set of data regarding the split lot into control and experimental subsets, (2) summarizing statistics regarding the set and the subsets to an experimental unit above a site level and (3) performing a two-way analysis of variance with respect to the statistics to determine the equivalency, using the set for one way of the analysis of variance and the subsets for another way of the analysis of variance. One embodiment of the limited-release method includes: (1) designating a set of data regarding a lot fabricated by a normative integrated circuit fabrication process as a control set, (2) designating a set of data regarding the limited release lot as an experimental set, (3) summarizing statistics regarding the control and experimental sets to an experimental unit above a site level and (4) performing a Kruskal-Wallace test with respect to the statistics to determine the equivalency.

The invention discloses a closed underground water solute migration simulation experimental device which comprises a liquid supply unit, a parallel experimental unit, a liquid waste recovery unit, a closed combined cabinet and a waste gas recovery unit, wherein the liquid supply unit provides a solution for the parallel experimental unit, and the flow of effluent or a water head can be controlled; the parallel experimental unit is used for an underground water solute migration simulation parallel experiment, and the experimental solute migration process is monitored through sampling; and the liquid waste recovery unit is used for recovering wastewater generated by the experiment. A closed space is formed by the closed combined cabinet, toxic volatile polluted solute gas is prevented from diffusing, the waste gas recovery unit is used for collecting volatile solutes in the experimental process, and atmospheric pollution is avoided. The experimental device disclosed by the invention is suitable for a simulation experiment of volatile or semi-volatile polluted solutes and has the characteristics of sustainability and high stability. Meanwhile, the experimental equipment is simplified, the experimental cost is saved, and the uniformity of the water head or flow conditions during the parallel experiment is guaranteed, so that comparative analysis of the parallel experiment results is facilitated.