用量

This paper discusses the mechanical properties of noncontemporaneous variation,from which the Hamilton principle and the principle of least action are derived.

本文讨论了非等时变分的力学性质，并由此导出Hamilton原理和最小作用量原理。

The coconut oil propyl amine oxide is one kind of new oxidized amines amphoteric surface active agent, it has good becomes spongy, dewaters, the recuperation and the anti-static electricity function, can obviously enhance the product synthesis lavation ability, under the general amount used, is extremely temperate to the skin and the hair, like took when cosmetic, may entrust with the skin smooth comfort, also can cause by the common raw material configuration shampoo to produce the dense milk greasy froth, is suitable in the configuration shampoo, the bath medicinal preparation, washes the face lavation things and so on milk and baby detergent, tableware detergent and hard-faced detergent.

椰油丙基氧化胺是一种新型的氧化胺类两性表面活性剂，它具有良好的发泡、增稠、调理和抗静电作用，能显著提高产品的综合洗涤能力，在一般用量下，对皮肤和头发非常温和，如作为润肤剂时，可赋予皮肤光滑舒适感，也能使以一般原料配制的香波产生稠密的奶油状泡沫，适用于配制香波、浴剂、洗面奶和婴儿洗涤剂、餐具洗涤剂和硬表面洗涤剂等洗涤用品。

The Remark about Some Theorems of Real Number s Continuity;2. A class of fixed point theorems on a compact hausdorff topological space;3. This article has introduced some common basic natures of prime numbers,and has discussed other non-common natures and theorems of prime numbers.

主要介绍了量纲的基本概念、量纲分析的∏定理及齐次性原则，用两个实例解释了量纲分析在物理中的应用，最后指出了用量纲分析问题时应注意的问题和存在的不

An air conditioning system with phase change materials for heat recovery of the rejected heat was experimentally studied for providing a heat reservoir to solve the problem caused by the time difference between the operation of the air conditioning system and hot water supplyand to adjust the heat supply of the heat recovery system and heat needs of users at all time.

利用相变蓄热材料的相变过程将空调系统冷凝热回收并制取热水，解决空调系统运行时段与热水使用时段的时间差以及生活热水的用量与冷凝热量之间的不一致。

An air conditioning system with phase change materials for heat recovery of the rejected heat was experimentally studied for providing a heat reservoir to solve the problem caused by the time difference between the operation of the air conditioning system and hot water supply, and to adjust the heat supply of the heat recovery system and heat needs of users at all time.

利用相变蓄热材料的相变过程将空调系统冷凝热回收并制取热水，解决空调系统运行时段与热水使用时段的时间差以及生活热水的用量与冷凝热量之间的不一致。

The hydrophobicity of hematite surface and its gathering is greater with increase of the usage of M. phlei.

赤铁矿表面的润湿性及形成的赤铁矿聚团均随着草分枝杆菌用量的增大而增大。

The stabilization process of hemihydrate calcium sulfate whiskers with several additives was studied in different additive amounts, reaction times and temperatures.

使用多种稳定剂对半水硫酸钙晶须进行稳定化处理，研究了稳定剂用量、稳定化处理温度和时间等对半水硫酸钙晶须稳定性的影响。

Effects of reaction temperature, initiator dosage , residence time and dilution ratio of steam to n -heptane on initiated cracking performance of n - heptane were studied.

以硝基乙烷为引发剂，考察了反应温度、引发剂用量、停留时间和水蒸气稀释比（水蒸气与正庚烷的质量比）对正庚烷引发裂解性能的影响。

Surface modified nano-sized mgnesium hydroxide was prepared by direct precipitation method with magnesium nitrate hexahydrate and sodium hydroxide as raw materials,and sodium fatty alcohol polyoxyethylene ether carboxylate as modifying agent.The optimum dosage of modifying agent was 0.2% of the mass of magnesium hydroxide,which was confirmed by sediment volume experiment.Modified and unmodified samples were characterized by fourier transform infrared spectroscopy,X-ray diffraction,transmission electron microscope,and tap density test.

以六水硝酸镁、氢氧化钠为原料，脂肪醇聚氧乙烯醚羧酸钠为改性剂，采用直接沉淀法一步合成改性纳米氢氧化镁，用沉降体积实验确定改性剂的最佳用量为氢氧化镁质量的0.2%，通过红外光谱、X射线衍射、透射电镜、表观密度对改性前后的样品进行表征。

The influence factors such as molar ratio of hexyl alcohol to propionic acid,amount of catalyst, and reaction time on the yield of hexyl propionate were discussed.

以钨硅酸为催化剂，通过丙酸和己醇反应合成了丙酸己酯，探讨了醇酸物质的量比、催化剂用量及反应时间对酯化率的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。