查询词典 alternative test

MAIN OUTCOME MEASURES: The exosyndrome of magnetic fluid was observed by transmission electron microscope and PE thermal analysis system, and in vitro heating test was used under the high-frequency alternative magnetic field.

主要观察指标：运用透射电镜和PE热分析系统对磁流体进行表征，在高频交变磁场下进行体外加热试验。

Paired t- tests were performed to investigate the significance of these differences between the SSG and the CIST, where the null hypothesis in each test was that the mean COVs were equal and the alternative hypothesis was that they were not equal.

成对t 检查则调查的意义，这些分歧的特殊保障和中科院，那里虚无假设在每次测试的是平均covs都是平等和替代假设是，他们不是平等的。

Relationship between null and alternative hypothesis; Level of significance; typical steps of hypothesis test, two type errors, critical values.

教学目的：通过学习领会统计假设测验即统计推断的原理及其基本步骤，统计假设测验的两类错误及其关系。

The current study sought to understand why this is so and to test an alternative theory.

目前的研究试图搞清楚为什么会这样并寻找替代疗法。

The concept of replacement test is presented as a new alternative to diagnosis test.

在提出相关替换测试概念的基础上，利用元件替换对系统观测值的影响刻画了诊断的判定、新冲突的生成。

Objective:To use Haemolysis Test as an alternative method of Draize eye irritation test.

目的 ：使用溶血试验作为体内眼刺激试验的一种替代方法。

Gas Distribution series of devices - from the control point of view, a semi-automatic and fully automatic with two gas from the gas source is composed of two groups of (liquefied petroleum gas, compressed air) and three groups of (nitrogen , Hydrogen, propane or butane) of the points is to provide natural gas and gas cities of the ideal alternative source of gas equipment, especially for gas production-line equipment manufacturers and test firing of Quality Supervision, Inspection departments for laboratory and performance of combustion Test.

从配气气源组成有二组份及三组份（氮气、氢气、丙烷或丁烷）之分；是提供天然气和城市人工煤气替代气源的理想设备，特别适用于燃气器具生产企业在线生产试烧和质量监督检验部门用于实验室及燃烧性能的检验。

OBJECTIVE:To use the shell-less hen's egg test chorioallantoic membrane as alternative methods to test the skin irritation hazard of some sunscreen cosmetics.

目的：采用平皿法鸡胚试验方法作为替代方法评价化妆品引起人体皮肤不良反应潜在可能的可行性。

This paper develops a series of study of design, simulations and test on a bar vertex ban inlet uniflow hydrocyclone providing an alternative to the traditional hydrocyclone with the actual situation of its separation mechanism and test research.

本论文结合水力旋流器分离机理及实验研究存在的实际情况，针对区别于常规水力旋流器的新型涡流板入口结构直流式水力旋流器开展了一系列的设计研究和模拟实验，并同返流式水力旋流器进行比较。

"Choe Thae Bok, alternative member of the Political Bureau and secretary of the Central Committee of the Workers' Party of Korea, speaking on behalf of the WPK, hailed the successful nuclear test, reflecting the unanimous feelings of all the party members and other working people of the country, and warmly congratulated scientists, technicians and workers on having successfully ensured the nuclear test with ardent patriotism and loyalty," the statement said.

声明说：&中央政治局候补委员和朝鲜劳动党中央委员会秘书金永南代表代表朝鲜劳动党发表讲话欢庆这次核试验的成功，它标志着全体党员和广大劳动人民的一致意愿。就本次核试验的成功向科学家，工程技术人员表示热烈的祝贺。他们强烈的爱国心和对国家的忠诚确保了此次核试验的成功。&

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。