用量

Through controlling the dosage of sulphide natrium, we can control the deposition of iron.

通过控制硫化钠的用量来控制亚铁离子的沉淀，提高锌精矿的品位。

Factors including pH, concentrations of heavy metals, dosages of minerals, ionic strength and temperature were studied and the results indicated that nepheline syenite and olivine had significantly higher capacity of absorbing heavy metal ions than glacimarine clay since they possessed stronger neutralization ability to acidic solution.

考察的因素包括溶液pH值、重金属离子浓度、矿物用量、离子强度、温度等，并得出结论，霞石正长岩和橄榄石吸附重金属离子的能力明显强于冰海粘土。通过理论分析表明，导致这一现象的原因为霞石正长岩和橄榄石对酸性溶液具有更强的中和能力。

The surplus Na2CO3 will later react with nepheline to formalkaline nepheline [(Na2O)0.33NaAlSiO4].The optimal reation condition wasdetermined by the experiments as follows: the ratio of the high-alumina fly ash toNa2CO3 is 1.8:1 by mass,and that the optimal temperature is 850℃ for 90min.The dissolution reaction of nepheline in HCl solution is also thermodynamicallyanalyzed.

对高铝粉煤灰与Na_2CO_3的固相热分解反应的实验研究表明：当Na_2CO_3过量时，过量的Na_2CO_3会与生成的霞石发生反应，生成碱性霞石(Na_2O)_0.33NaAlSiO_4；通过实验确定了Na_2CO_3的最佳用量为：高铝粉煤灰： Na_2CO_3=1.8：1，反应的最佳温度和时间分别为850℃和90min。

It is extraction never-failing but second birth the sources of energy, can use an amount tremendous, the radiant energy of sun 1a, the electric energy of · H/m~2 of 850 ～ 3000KW can produce in earthly surface.

是取之不尽的可再生能源，可利用量巨大，太阳1a的辐射能，可在地球表面产生850～3000KW·h/m~2的电能。

Effects of reaction temperature, reaction time, amount of catalyst and the ratio of Si/Al on the nitration were investigated.

实验考察了反应温度、反应时间、催化剂用量及Si/Al等因素对反应结果的影响。

Meanwhile, the effects of reaction temperature, reaction time, amount of catalyst and the ratio of Si/A1 on the nitration were investigated.

实验考察了反应温度、反应时间，催化剂用量及Si/Al对反应结果的影响。

The microstructure morphology of the epoxy resin/nitrile rubber system and the influence of rubber kinds.

利用扫描电子显微镜等研究了环氧树脂/丁腈橡胶体系的微观结构形态以及橡胶种类、用量等对增韧效果的影响。

An Effective way to Promote Quality of NPG ;2. The effects of the content of the third monomer NPG on the T_g, melting behavior and heat shrinkability of PET were studied, and the effect of drawing technology on the shrinkage of the film was also studied.

运用自制的反应装置，通过加入第三单体的方法对聚对苯二甲酸二醇酯进行了共聚改性，研究了第三单体新戊二醇用量对PET玻璃化转变温度Tg、结晶熔融行为和热收缩性能的影响，同时对拉伸工艺对薄膜收缩率的影响也进行了研究。

Copolymerization modification of PET was made by means of adding a third monomer on a homemade facility. The effects of the content of the third monomer NPG on the T, melting behavior and heat shrinkability of PET were studied, and the effect of drawing technology on the shrinkage of the film was also studied.

运用自制的反应装置，通过加入第三单体的方法对聚对苯二甲酸二醇酯进行了共聚改性，研究了第三单体新戊二醇用量对PET玻璃化转变温度T、结晶熔融行为和热收缩性能的影响，同时对拉伸工艺对薄膜收缩率的影响也进行了研究。

Copolymerization modification of PET was made by means of adding a third monomer on a home-made facility. The effects of the content of the third monomer NPG on the T_g, melting behavior and heat shrinkability of PET were studied, and the effect of drawing technology on the shrinkage of the film was also studied.

运用自制的反应装置，通过加入第三单体的方法对聚对苯二甲酸二醇酯进行了共聚改性，研究了第三单体新戊二醇用量对PET玻璃化转变温度Tg、结晶熔融行为和热收缩性能的影响，同时对拉伸工艺对薄膜收缩率的影响也进行了研究。

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。