resistance standard

By the critical concentration as a standard of the United States Committee for Clinical Laboratory Standards ( NCCLS), we used microdilution method to determine the resistance of Streptococcus suis against three kinds of tetracycline, which were doxycycline, tetracycline hydrochloride and chlortetracycline hydrochloride.

以美国临床检验标准委员会（NCCLS）的临界浓度做为判断标准，采用微量稀释法判定了猪链球菌对强力霉素、盐酸四环素、盐酸金霉素3种四环素类抗生素的耐药性。

The stability in low temperature, contrast ratio, water resistance, alkali resistance, pollution resistance, wash resistance and weather resistance reach or exceed the premium grade in Chinese Standard.

涂料的低温稳定性、对比率、耐水性、耐碱性、耐沾污性、耐洗刷性和耐候性等性能指标均达到或超过国标优等品水平。

Because the differences of testing methods, sample size, laboratory conditions, measurement targets and standard of definition, the prevalence of clopidogrel resistance is variability.

由于采用的方法、样本量大小、实验室条件、检测指标、定义的标准等不同，氯吡格雷抵抗的发生率也有很大差异。

This paper mainly compared the difference of walkway surface slip resistance in china and foreign countries, Analyzed the slip resistance testing standards for walkway surfaces and the existent problem, discussed the influence of slip resistance standard on our standards.

本文主要比较了国内外地面防滑方面的差异，分析了地面防滑性能检测的标准及存在的问题，讨论防滑标准对我国标准的影响。

According to the recommendation of CIPM, the Quantum Hall Resistance ( QHR) standard has been used worldwide since January 1 st of 1990 to replace the traditional resistor standard, which had been maintained for several decades.

国际计量委员会推荐，1990年1月1日起在世界范围内启用量子化霍尔电阻标准代替使用了几十年的电阻实物基准。

Standard Test Methods for Spalling Resistance of Porcelain Enameled Aluminum

铝制搪瓷涂层的抗脱落试验方法

Study of the Quantized Hall effect as a natural resistance standard

量子霍尔电阻作为电阻自然基准的研究

The platinum resistance thermometer is a standard interpolating instrument of the international practical temperature scale of 1968 ( IPTS-68), But the formula for resistance-temperature stipulated by IPTS-68 is very complex and has given rise to problems in calculation and measurement of low temperature.

铂电阻温度计是1968年国际实用温标（IPTS-68）的标准插补仪器。但IPTS-68规定的电阻-温度公式十分复杂，在低温计算及精密自动测量上带来了问题。

Film Impact Resistance Test Standard and Their Implementation

漆膜耐冲击试验标准及其实施

The results show that the antibacterial emulsion paint have good antibacterial mouldproof performance and excellent water resistance ability when additive content of antibacterial agent is 1.5 mass%, and the main test items of the prepared antibacterial emulsion paint have achieved national standard or industry standard.

结果表明：当纳米复合抗菌剂的添加量为1.5mass%时，所制备的抗菌乳胶漆的抗菌防霉性能良好，耐水性优异，常规性能指标都达到国家或行业标准。

Standard Test Method for Thermal Shock Resistance of Porcelain-Enameled Utensils

搪瓷器具抗热冲击性的试验方法