The effect on the number of negative iorns was studied by adding varied content of rare - earth with the same granularity and the varied granularity with the same content of rare - earth 研究了在相同细度下，不同稀土加入量及相同加入量下稀土细度的不同对空气负离子数目的影响。
When the initial cadmium concentrations is 48 . 1mg / l , with the optimum biomass quantum of 6g / l , the best removal ratio was 95 . 6 % and cd content of biomass reached 9 在镉浓度为48 . 1mg l的溶液中，菌体加入量为6g l时，镉的去除率最大，达到95 . 6 ，菌体中镉含量为干重的9 。
The influence of hydrochloric acid density , volume of hydrochloric acid , temperature and time of purifying were studied . reactive thermodynamics during purifying and cleaning was analyzed 并对酸洗、提纯时盐酸的浓度和加入量、酸洗温度和酸洗时间等因素对提纯的影响进行了研究。
( 2 ) the kind and proportion of chelating agent have great influence on quality of thin film and chelating agent with small molecule is preferably for thin film preparing ( 2 )络合剂的种类和加入量对薄膜形态有很大影响，薄膜制备对络合剂的要求是在良好络合性能的基础上要有尽量低的分子量。
In this process , some factors , such as the ratio of ag ~ to ti ( oc4h9 ) 4 , the complexing agent and heat treatment system , played important roles in the powder ' s anti - bacterial property 研究了凝胶热处理制度、银离子加入量和络合剂对粉体抗菌性能的影响，总结出制备抗菌粉体的最佳工艺路线。
The result of delamination experiment shows that the mutual solubility of alcohol and gasoline is influenced by blend ratio , add - on quantity of booster solvent , temperature and water content 分层实验结果表明，醇与汽油的互溶性受醇与汽油的混合比例、助溶剂的加入量、使用温度及含水量等因素影响。
Several key factors , ultrasonic dispersion , water / organic solvent mixing medium , surfactant , were used and adjusted in order to obtain composite particles with better monodispersity and less organic impurities 在有机介质加入量较小的情况下，极性较小的丙酮更有利于合成单分散性好、粒径小的磁性复合微球。
The technological conditions which affect sol - gel processes , such as water volume , ph numerical value , ethanol volume , thickness of the coating are studied . point out the questions in this process 对影响溶胶-凝胶过程的加水量、 ph值、乙醇加入量、涂覆层的厚度等工艺条件进行了研究,指出了采用溶胶-凝胶法制备膜存在的问题。
The sem results showed that baso4 particles in tpu had a trend to form a continuous phase , which appeared a typical concrete structure ; and with the increase of content of baso4 the above structure became more evident 从sem照片可以看出， baso _ 4在聚合物中有形成连续相的趋势，出现了典型的“混凝土结构” ，并且随baso _ 4加入量增大，这种结构就越明显。
Static models include terminal control model , oxygen - supplying model , slagging model and bottom blowing model ; dynamic models include decarbonization speed model , molten steel warming model and the model for the amount of refrigerant 静态模型包括终点控制模型、供氧模型、造渣模型、底吹模型；动态模型包括脱碳速度模型、钢水升温模型和冷却剂加入量模型。
