constant quantity

Researching on Semimicro Chemical Analysis Experiment With Constant Quantity Instrument

用常量仪器进行半微量化学分析实验的研究

The article focuses on quantity analysis , discussion of using constant quantity instrument to do semimicro chemical analysis experiment .

本文围绕定量分析实验中，利用常量仪器进行半微量化学分析进行探讨。

In this paper , we put forward a constant quantity method of selecting coal layer with fuzzy classification by means of coal deposit factors and so on .

采用模糊划分（软划分）法，按煤层赋存等因素，给出选择煤层回采工艺的定量方法。

According to some disadvantages in the disposal process of the perturbation method , the concepts of perturbation quantity , constant quantity and stepwise disposal have been introduced .

本文针对目前电磁理论微扰法处理中的某些不足，提出微扰量、不变量和逐级处理这三个概念。

Conclusion Administration with CIA has advantage of steady speed , constant quantity , and stable drug consumption in unit time and this method of administration is security , reliability , convenient and effective .

结论采用CIA给药具有恒速、恒量，单位时间内用药量稳定的特点，是一种安全可靠、简便有效、省时省力的给药方法。

Though the most rigorous arable land protection system is adopt in China , there are still many problems in the arable land utilization and management , while constant quantity decrease and overall quality degradation represent the major ones .

尽管我国有着世界上最严格的耕地保护制度，但是，当前我国的耕地利用与管理存在诸多突出问题，主要表现为耕地数量不断减少和耕地质量总体水平下降。

It is indicated that the frequently occurring cancer region lacks or severely excessively has some kinds of small quantity of elements , apart from serious pollution of water and soil and anomalous constant quantity of composition .

表明癌症高发区除水土严重污染，许多常量成份出现异常外，一些微量元素还明显缺少或严重超量。

The basic idea of algorithm is : constant quantity of virtual pheromone spread in the swarm robot system ; after each node gets same quantity of pheromone , robot can estimate the system size based on the density of pheromone .

算法的基本思想是：总量恒定的虚拟信息素在整个群体机器人系统中扩散；所有个体持有的信息素量基本相等后，机器人可以根据信息素的浓度估算群体的规模大小。

The addition of drag reduction agent improves transport capacity greatly , reduces transport cost , makes flexible transport of oil possible and reduces bearing pressure of old pipeline in constant flow quantity .

减阻剂的使用大大提高了管道运输的能力，降低了运输成本，使得油品弹性运输成为可能，减小了恒定流量老化管道承受的压力。

In 1.5-time application quantity , the degradation speeds of the four types of organophosphorus pesticide are mainly identical with the degradation speed in the constant application quantity of pesticide .

1.5倍量施药水平下，四种有机磷农药的降解速率与常量施药水平下的降解速率基本一致。

Extension of the linear concentration rules at constant partial molar quantity φ _i

偏摩尔量φi恒定条件下线性浓度规则的扩展

For n pentanol , the composition of the products remained constant when the quantity of sodium was enough .

对正戊醇而言，钠的用量达到一定量时，还原产物的组成近似恒定。

And that implies that since the quantity we want is given by this quantity , which is zero times a constant , the quantity we want is also zero .

因为我们需要的量，是由这个量乘以一个常数，因为这个量是零，因此我们需要的量也是零。

Adsorption rate constant and equilibrium adsorption quantity increases with increases of ionic radius .

吸附速率常数、平衡吸附量随着离子半径增大而增大。

Basing on the permeating power of helium through glass , we have derived the dynamic equation for the pressure of He in a He-Cd laser and the replenishing equations for replenisher of He at constant temperature and constant quantity .

根据玻璃渗氦特性，导出了氦&镉激光器氦气压动态方程，氦补充器恒温补充方程和恒量补充方程。

Working principle of the control circuit is presented , expressions for calculating constant current value of its coil and constant current surplus quantity are derived and calculating expressions of clamping voltage and current break protecting time of the circuit are also given .

介绍了该控制电路的工作原理，导出了其线圈恒流值计算式和恒流裕量计算式，并给出了该电路的钳位电压和停车断电保护时间计算式。