试验方法

A uniform design method was adopted to study the extraction of the neem seed extracts from neem kernels.

用均匀设计试验方法研究印楝粗提物的提取。

Requirements, test methods, judging rule, products instruction, package, store and transport, which could be applied to quality identification of yarn socks, man-made socks, and socks of cotton-chemical fiber blended, as the reference for other fibers as well.

本标准规定了袜子的产品分类、要求、试验方法、判定规则、产品使用说明、包装、储存和运输。适用于鉴定棉纱线袜、化纤袜、棉与化纤混纺及交织袜的品质。其他纤维参照执行。

The normality of the transformed samples by the two transforming approaches was investigated through parametric and goodness-of-fit test.

采用Monte-Carlo统计试验方法对水文分析中常用的Box-Cox变换和多项式正态变换的统计性能进行了对比分析。

Which of the test part characteristics listed below are normally considered before the specific liquid penetrant test method is selected?

选择液体渗透试验方法时，通常要考虑下面列出的哪些零件特性？

Using orthogonal experiment, the effects of biological inhibitors on longan pericarp browning and the freshness quality were analyzed.

采用正交试验方法，分析了生物抑制剂对龙眼果皮褐变和保鲜效果的影响。

A simple testing method of wear resistance for piston ring and cylinder sleeve is introduced.

本文介绍一种简易的活塞环与气缸套磨损试验方法。

Acute toxicity testing method was used to study effects of different density of Prorocentrum donghaiense,Heterosigma akashiwo and Alexandrium tamarense on mortality rates and population growth parameter of Brachionus plicatilis under controlled experimental conditions.

应用急性毒性试验方法，研究了可控生态条件下不同密度的东海原甲藻、赤潮异弯藻和塔玛亚历山大藻对褶皱臂尾轮虫的致死率和种群增长参数的影响。

To obtain salinity reduction in conventional pickling process, application of Cr-Al combination tanning to goat bated hides pretreated by Potash alum was investigated to substitute for salt pickling in single-factor test method.

为减少制革常规浸酸工序的盐污染，采用单因素试验方法进行了用明矾预处理山羊软化裸皮以代替食盐浸酸及铝铬结合鞣制的工艺实验。

The testing method using fall size substance specimens is introduced for transmission shaft, oil well pipe, train pothook , cover of sewer well.

介绍了传动轴、油井管、火车挂钩、窨井盖等全尺寸实体试件试验方法与工程实际应用情况。

The tolerance of seawater fish Japanese sea bass and black rockf ishto pH and alkalinity is studied through the experiment of acute toxicity. The median lethal concentration values are obtained by the method of probability unit. The safe concentrations of alkalinity, C032- and HC03- are obtained. The signification of pH and alkalinity is estimated with analysis of variance.

本文应用急性毒性试验方法研究了海水鱼类鲈鱼黑鲪对pH、碱度、二氧化碳体系各分量的耐受性，应用概率单位法求得半致死浓度，并得到了碱度、碳酸根、碳酸氢根等的安全浓度，应用方差分析评价了pH和碱度致毒作用的显著性，探讨了不同pH、碱度范围的主要致死因子。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐