硝酸银是进行化学分析的一种重要的实验试剂。
Silver nitrate is an important laboratory reagent for performing chemical analyses.
因此，在进行高分子化学实验之前，有必要对所用试剂进行纯化。
Therefore, when polymer chemistry experiments, it is necessary for the reagents used for purification.
我公司专业经营化学试剂、食品添加剂、医药辅料，标准品及实验室消耗品，品种达4000余种，行销全国三十多个省市、自治区。
Our company is specialized in trading chemical reagent , food additive , pharmaceutical adjuvant , standard substance and laboratory consumables , totally over 4000 types.
在化学实验中，操作和滴加试剂顺序的先后，对实验的成功有着至关重要的作用。
In the chemical experiment, the operation and the instillment reagent order's priority, has the very important function to experiment's success.
提出了实验室制取四水合硝酸锰化学试剂的工艺条件和制备方法。
The prepared method and technologic condition of tetrahydrated manganous nitrate reagent is given in laboratory.
为了生产用于分子筛脱蜡装置的正戊烷脱附剂，利用络合化学试剂对切割分离后的重整正戊烷油进行了脱烯烃精制实验。
In order to produce n pentane desorbing agent for molecular sieve dewaxing unit, the refining tests for reformed n pentane oil were carried out by using complexing agents.
微型化实验是20多年来国内外广泛开展的一种化学实验方法，其特点是仪器微型化和试剂用量少。
Micro scale chemical experiment has been widely used in recent 20 years. It is characterized by the microminiaturization of instrument, and less reagent.
那时，可以少量地买到多种普通化学试剂，我就在家里建了一个很小的实验室，用自制的简单仪器研究化学反应。
At that time one could buy small amounts of many common chemicals and I made a little laboratory at home, with improvised9 equipment, to study chemical reactions.
微型化学实验二十多年前进入中国，是使用尽可能少的化学试剂来获得尽可能多的化学信息的实验方式。
Miniature chemistry experiment more than 20 year agos get into China, is usage possibly the little chemistry try to acquire many chemistry information possibly of experiment way.
全国范围液体禁运，已经延缓了实验室接受化学和生物试剂、尤其是来自国外的试剂。
Nationwide security restrictions on the transport of liquids, for example, have delayed the delivery of chemical and biological reagents to laboratories, especially those coming from abroad.
任何时候，只要通风柜内有化学物质或试剂存在，通风柜均需进行有效排风，以持续保护实验室内操作人员健康安全。
The hood shall provide containment of the possible hazards and protection for personnel at all times when chemicals are present in the hood.
耐溶剂性：涂层可耐受二甲苯、酒精等各种实验室化学品和试剂的长时间浸泡，保持不脱落。
Solvent Resistance: the coating can be soaked by xylene, alcohol and other laboratory chemicals and reagents for a long time, and remain adhesive.
实验室内往往存在许多有害的化学废气及有毒试剂的污染物质，尤以化学废气为甚。
Improper design laboratory consist of unwanted harmful substances especially for those involve heavily on chemical analysis.
本公司创建于1958年，是中国首家专业经营化学试剂、玻璃仪器及实验室用品的大型公司之一。
Founded in 1958, China National Medicine Group Shanghai chemical reagent company was the first large-scale company in China dealing in chemical reagents, glassware and laboratory supplies.
公司经营商品大类有化学试剂、玻璃仪器、分析仪器、实验室设备以及实验室安全产品、精细化工产品等。
The business scope includes Chemical Reagents, Glassware, Analytical Instrument, Laboratory Equipment and Safety Products, Fine Chemicals and so on.
研究探索用美国KRUEGER实验室分析检测嗜酸耐热菌方法，探讨了不同厂家的化学试剂对检测结果的影响。
How the reagents from different makers affected the test results of thermophilic acidophilic bacteria in a US Krueger Laboratory was investigated.
研究探索用美国KRUEGER实验室分析检测嗜酸耐热菌方法，探讨了不同厂家的化学试剂对检测结果的影响。
How the reagents from different makers affected the test results of thermophilic acidophilic bacteria in a US Krueger Laboratory was investigated.
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