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metering plate
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  “metering plate”译为未确定词的双语例句
     A type of seed metering device with compound filling seeds and gravity cleaning seeds was devised,and the locomotion track of the seeds which was relative to the seed metering plate was analyzed in the course of filling seeds.
     设计了一种复合充种、重力清种式排种器 ,分析了充种过程中种子相对排种盘的运动轨迹 ,并依此设计了排种盘的型孔。
短句来源
     The weighing and charging accuracy of direct charging and pressing for powder charging adopts the metering plate fixed capacity charging and liberation technology.
     粉末压柱药的直接装压,其称装药精度采用计量板定容装药和振动技术。
短句来源
     Liberation charging structure consists of pulse generator and film crock which under the filter and metering plate and modulates the liberation frequency by pulse generator.
     振料结构由脉冲发生器和位于料斗及计量板下方的膜片缸组成,通过脉冲发生器调节振动的频率。
短句来源
  相似匹配句对
     plate structure ?
     第二部分:绘画中“板块结构”原理的探究
短句来源
     EXPERIMENT AND RESEARCH ON GRINDER PLATE TYPE SEED METERING MECHANISM
     磨盘排种器的试验研究
短句来源
     Gold plate
     “镏”金岁月
短句来源
     STUDY ON THE PRIMARY PARAMETERS OF SEED-SUCKING PLATE SEED-METERING DEVICE
     吸盘式排种器几个基本参数的试验研究
短句来源
     Range Metering Device
     远度丈量仪
短句来源
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The study of seed spacing disltribution of precision drilling is an important component of precision drilling theory. This paper mainly discusses the seed-metering device in which a metering plate revolves on horizontal oxis. The study of this suitable both for mechamical and for penumatic seed-metering devices which are widely used inside and outside the country. Based on the analysis of seed spacing error formation,the working process of the precision planter is divided into two step-seed filling...

The study of seed spacing disltribution of precision drilling is an important component of precision drilling theory. This paper mainly discusses the seed-metering device in which a metering plate revolves on horizontal oxis. The study of this suitable both for mechamical and for penumatic seed-metering devices which are widely used inside and outside the country. Based on the analysis of seed spacing error formation,the working process of the precision planter is divided into two step-seed filling and seed dropping. A dynamic seed spacing distribution model on different parameters is established by mean of mathematical statistics, mathematical equation and precision drilling theory .We also make computer simulation for the seed spacing distribution of the crops such as corn , soybean ect.The study of this paper offers a new way to improve the design method of the precision planter.

研究精密播种机粒距分布是精密播种理论的重要组成部分。本文主要研究绕水平轴旋转精播种子的排种器,因此适用于广泛采用的机械式排种器(型孔轮式、型孔带式)和气力式排种器(气吹式、气吸式)等。基于对精密播种机粒距误差形成的分析,将其工作过程分解为充种和投种两个阶段,并采用数理统计、数理方程、精密播种理论等综合方法,建立了精密播种机在不同参数下的粒距动态分布模型,并对玉米、大豆等作物的粒距分布进行了计算机数字仿真。本文的研究为精密播种机设计方法的改进提供了一种新的途径。

This paper describes the principle and the structure of a two specimens guarded hot plate apparatus established in Tongji University. The structural features of the apparatus are:a) the thin guarded hot plate is used, b) the unbalance detective thermopile is placed in the small grooves, which is located at the edge of the metal plates adjacent to the gap,c) the metering plate and the guard plate are fixed by nonmetal meterial to reduce the unbalance error, d) the foil thermistor (Pt100) is used for...

This paper describes the principle and the structure of a two specimens guarded hot plate apparatus established in Tongji University. The structural features of the apparatus are:a) the thin guarded hot plate is used, b) the unbalance detective thermopile is placed in the small grooves, which is located at the edge of the metal plates adjacent to the gap,c) the metering plate and the guard plate are fixed by nonmetal meterial to reduce the unbalance error, d) the foil thermistor (Pt100) is used for measuring and controlling the temperature of the plates. The error analysis and the experiment verification by measuring international Standard Reference Materials BCR No 64 show that the uncertainty of the apparatus is less than ±2%. When the mean temperature approXimately equals to the room temperature, the error is less than ±1%.

介绍了我校研制的TFD—1型防护热板法导热仪的测试原理和构造.本装置采用了合理的本体结构,如薄型主、护热板;主、护热板采用非金属连接件粘合;在金属匀温板的侧向浅槽内埋设热电堆和使用薄片型铂电阻测温、控温等.装置经误差分析和标准参考试样检测,全部测量范围内的准确度为±2%,室温附近的准确度为±1%,其主要性能达到了国外同类仪器的先进水平.

A vacuum seed metering device is the main part of the vacuum vibration rice seedling precision machine. The working parameters and the structural parameters are the important influential factors affecting the vacuum result. The article theoretically studies the seed's movement in the airflow of nozzle and analyzes the factors which influence the suction force. On the basis of this, the design of the nozzles in the seed plate is accomplished, and the flow of the air is obtained by experiments. The test results...

A vacuum seed metering device is the main part of the vacuum vibration rice seedling precision machine. The working parameters and the structural parameters are the important influential factors affecting the vacuum result. The article theoretically studies the seed's movement in the airflow of nozzle and analyzes the factors which influence the suction force. On the basis of this, the design of the nozzles in the seed plate is accomplished, and the flow of the air is obtained by experiments. The test results indicate that single hole seed metering plate (which has a grand total of 561 holes with diameter of 2 millimeters) accords with agrotechnical requirements of the rice seedling precision (1~2 seeds each hole), and double hole seed metering plate (which has a grand total of 561 holes with diameter of 2 millimeter ) accords with agrotechnical requirements of the rice seedling precision (2~3 seeds each hole). It can also sow vegetable seed or other seeds by substitution of the seed plate.

气力吸种部件是气吸振动式水稻育苗精量播种机的主要工作部件,其结构参数和工作参数是影响播种装置吸种效果的主要因素。本文对种子在吸种孔前的运动进行了理论分析,结合试验确定了影响吸种效果的气力吸种部件的结构参数和工作参数,试验表明该装置具有较好的吸种效果。

 
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