Due to low copper recovery in magnetic separation of tailings in a dressing plant of Shandong, the concentration test researches are made.
针对山东某选矿厂的磁选尾矿铜回收率偏低的情况进行了选矿试验研究。
According to pickling technology, this article provides effective methods for the acid concentration test and strip quality control in Turboflow pickling.
本文就酸洗工艺，对紊流酸洗酸液浓度检测及带钢酸洗质量的控制等提供了行之有效的方法。
The nervousness they feel before a test can be so strong that it interferes with their concentration or performance.
他在考前所能感受到紧张程度足以影响他的考试表现和注意力集中与否。
OBJECTIVE To test the concentration of the bacteria in the operating room.
目的为准确测试洁净手术部空气细菌浓度。
I mentioned the test of not being able to read more than a couple pages of text without losing concentration.
我曾提到过，通过关注自己是否能够集中注意力去阅读一两页书来判断自己是否已经困倦了。
HC generating mechanism and concentration change were confirmed by the vehicle evaporative test of carbon tank-fuel tank system, and supply the base for the next matching work.
通过炭罐-油箱系统进行了车辆蒸发试验，确定了HC生成的机理和浓度变化过程，为进一步的匹配工作奠定了基础。
Methods: the limitation of endotoxin in sodium cefoperazone injection was determined and a disturbance test was applied to determine the maximum non disturbing concentration.
方法：确定注射用头孢哌酮钠的细菌内毒素限值及进行干扰试验测定最大非干扰浓度。
The result of emulation test shows that PPM control method can follow the change of ion concentration for the purposed of obtaining the indexes of small tracking error and short adjustment time.
仿真试验结果表明，PPM加药控制方法可以中和系统离子浓度的变化，达到跟踪误差小，调节时间短等性能指标。
Its antibiotic effects, antibiotic concentration released, acute toxicity test and tissue compatibility have been studied.
并对其抗菌作用、释放浓度、急性毒性试验以及组织相容性进行了研究。
The mechanism of trimerization and experiments results are given. The influence of reaction temperature, concentration of reactants, and variation of raw materials on test results is discussed.
叙述了三聚法的原理及实验情况，并讨论了反应温度、物料浓度、原料变化对测试结果的影响。
METHODS Plasma roxithromycin concentration was determined by using micrococcus luteus as test strain, the inhibition zone diameter were examined detected to roxithromycin with vernier caliper.
方法以藤黄微球菌为检定菌，游标卡尺测量抑菌环直径，检测抑菌圈直径与血浆中罗红霉素浓度对数的线性关系。
A kind of special test paper to quickly determine concentration of silver ion in some solutions was prepared.
本实验研制了一种测试银离子浓度的试纸。用于溶液中银离子浓度的快速测定。
Determine the concentration of acetate in the test solution using the calibration curve generated by the average of the readings obtained with the reference solutions.
由对照溶液的平均读数得到校正曲线，用该校正曲线测定供试液中醋酸盐的浓度。
The test result showed that the gel strength and the elastic modulus was increased while the gel elasticity was almost not changed with the increasing of the starch concentration.
材料试验机研究的结果表明，在一定的淀粉乳浓度范围内，凝胶强度和弹性模量随淀粉乳浓度的增加而增加，而凝胶弹性则基本保持不变。
The principle and test method of using adsorptive stripping voltammetry to determine the mass concentration of trace iron in boiler water of thermal power generating units are described in this paper.
介绍了用吸附溶出伏安法测定火力发电机组锅炉用水中微量铁质量浓度的原理和试验方法，并对多组试验数据进行了分析和讨论，从而得出测试参数的最佳选取值。
Salt water with the concentration of 3% is used in the corrosion test for the samples welded under different laser parameters.
采用浓度为3%的盐水，对不同激光工艺参数的焊接件进行了腐蚀试验。
The orthogonal test table L9 (34) was used to optimize 3 factors, namely HCl concentration, reaction time and reaction temperature.
以还原糖得率为指标，采用L9(34)正交设计对酸浓度、反应时间、反应温度的参数进行优选。
The results showed at the same test concentration, the extent of cytopathic effect (CPE) among different cell lines was different, the sensitivity difference was obvious.
结果显示，同一浓度处理下，不同细胞系细胞病变的程度不同，敏感性差异很大。
The relationship between the concentration of coupling agent and the pull-out strength was investigated through the pull-out test.
通过单丝拔出实验研究了偶联剂浓度与单丝拔出强度的关系。
Methods:The tests were based on the bacterial's recovery rate of colonies count and the colour show test by TTC gradient concentration in culture medium.
方法：用TTC梯度浓度培养基进行细菌菌数计数的回收率试验和菌落显色试验。
Dissolve a portion of the substance under examination in the designated Medium to obtain a test solution having the concentration specified in the monograph for solution.
将一份该供试物质溶于指定的媒介中，以得到供试溶液，该供试溶液的浓度是在该专论中溶液项下所规定的浓度。
The design, construction and irrigation of solar pond, the test of temperature and concentration distribution are described.
同时还介绍小型太阳池的设计、建造、灌液以及其温度浓度分布的测试。
By analysing the column settling test data, the average concentration of the settled suspension can be obtained and then the settling efficiency can be estimated easily.
所以可以不通过沉速分析，直接依据浓度数据来估计沉淀效率。
The German Aerospace Center and Lufthansa both announced test flights for Sunday to measure the ash concentration.
德国航空航天中心和德国汉莎航空公司都宣布周日进行试飞，以测试火山灰的聚集情况。
Based on the model test, the instantaneous concentration and velocity images in different temperatures and scales are put forwarded. And the range, shape and trend of diffusion are acquired.
本文结合模型试验，得出了不同温升及变率下表面横向浮射流的瞬时浓度场和流速场，进而分析得出随着温度及变率的变化浓度场的扩散范围、形态特点和趋势。
The test result showed that the side channel integrated oxidation ditch had good effect on treating high concentration city waste water.
试验结果表明，侧沟式一体化氧化沟在处理中小城市较高浓度污水方面有很好的效果。
The test result showed that the side channel integrated oxidation ditch had good effect on treating high concentration city waste water.
试验结果表明，侧沟式一体化氧化沟在处理中小城市较高浓度污水方面有很好的效果。
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