The result of HPLC showed that the retion time of the production of strain ZY-23 is similar with standard substance.
HPLC检测结果显示，ZY-23菌株的发酵产物中提取得到的毒性成份保留时间与标准品基本一致。
Objective To observe the influence of the standard substance of different consistencies on recovery rate in the recovery tests.
目的观察回收试验中加入不同浓度标准物对回收率的影响。
The results show that it is characterized by good precision and accuracy, simple operation, lower cost, no standard substance, etc.
结果表明，该方法具有较高的精确度和准确度，操作简单，费用低，不需标准物。
Meanwhile, a new method is introduced to determine the combustion heat of the less combustible substances by abding a standard substance.
对用氧弹测定易燃物质燃烧热的压片方法进行了改进。
After samples were derived by BSTFA, GC-MS took metoprolol as the internal standard substance and made a qualitative and quantitative test.
样品经双甲基硅烷三氟乙酰胺衍生后，以美托洛尔为内标物，用气相色谱-质谱联用仪进行定性定量分析。
After testing the national standard substance (GBW 07416) of soil available composition, the analytical results are nearly in accord with standard values.
通过对国家标准物质土壤有效态的测试，结果与标准值基本一致，测得值都在标准值的不确定度范围内。
The content of flavonoids in waste liquid of alcohol production from sugarcane molasses was determined by spectrophotometry using rutin as standard substance.
以芦丁为标准物质，用分光光度法测定了甘蔗糖蜜酒精废液中黄酮类化合物的含量。
METHODS TLC was used to find and separate the components, then the components were detected by MS and the MS spectra were compared with the standard substance.
方法采用薄层色谱法初筛，利用薄层制备色谱技术将可疑斑点分离后进行质谱检测，并与对照品的质谱图比较确认。
The determination results of Cu, Zn, Fe in mussels, a standard substance, proves that microwave digestion method is better than the traditional digestion method.
通过对校准物质贻贝中的铜、锌、铁的测定结果证明微波消化方式比传统的消化方式优点多。
Our company is specialized in trading chemical reagent , food additive , pharmaceutical adjuvant , standard substance and laboratory consumables , totally over 4000 types.
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。
As and ar in the formula are peak area or peak height of internal standard substance and reference substance, Cs and CR are density of internal standard substance and reference substance separately.
式中as和AR分别为内标物质和对照品的峰面积或峰高，Cs和CR分别为内标物质和对照品的浓度。
The results of the sample for the test have shown that the quantity of fatty substance in milk is appropriate to the standard.
采样检验的结果表明牛奶中的脂肪含量达标。
With the improvement of the social produce level and people living standard of substance and culture, the demanding of output and quality of paper production is at a high pitch.
随着社会生产和人们物质文化生活水平的提高，对纸产品的产量和质量要求越来越高。
The nation has established the identification standard of major hazards, and the identification basis is the quantity of hazard substance. The standard is mainly used in the chemical plant.
国家已经制定了重大危险源辨识标准，辨识依据是危险物质的数量，主要适用于化工行业。
Fabrics of China measure standard and foreign countries have greatly difference, form the regulation to products detection of harmful substance yet especially at present.
今朝中国的纺织品检测规范与国外有很大差异，特别是对产物有害物质的检测还没有构成规则。
The calculating analysis of titration without standard solution is a method that can be used to determine the concentration of substance titrated and titrant at the same time.
无需标准溶液的滴定计算分析能同时求出滴定剂与被测物质浓度。
Secondly, the enthalpy of elementary substance under standard state is defined as the criterion of component enthalpy, thus reaction heat is no longer needed in energy balance.
其次，热量衡算时，将标准状态下单质的焓定义为所有组分的基准焓，不再需要反应热数据。
After the sample is analyzed, the response to the unknown concentration is compared to the internal standard and an accurate measurement of the concentration of the substance of interest is obtained.
未知物质的浓度可根据测试结果与浓度经过标准地、精确测量的物质相比较而得出。
Introduces models, function sorts, standard solutions and standard techniques of substance-field analysis.
介绍物场分析中的物场模型、功能分类、标准解和标准技术。
The utility model can be used for storing standard solution for a long time, and can be used for storing substance which is easily volatile.
可用于长期存放标准溶液，也可用于长期存放怕挥发的物质。
Determination of the strength or biological activity of a substance, such as a drug or hormone, by comparing its effects with those of a standard preparation on a test organism.
的翻译是：决心的力量的一种物质或生物活动的，如一种药物或激素，通过比较其效果与标准草拟的关于测试生物。
Based on analyzing the form (redefining the object of bigamy) and the substance (the standard of marriage in fact) of bigamy, it is suggested that the theory of partly affirmative is more reasonable.
通过形式层面(重新界定重婚罪的犯罪客体)和实质层面(事实婚姻的认定标准)的分析，指出部分肯定说的观点较为合理。
Purified liquor means liquor which has no or few foreign substance harmful to people′s health, contains no flavour components and has its particular production mode and quality standard.
纯净酒即指不含或基本不含对人体有害的杂质的酒，不含呈香呈味的物质成分，有独特的生产工艺和质量标准。
It analyzed 39 standard parameters of describing technical conflict, 40 inventive principles, techno-conflict and solving matrix and substance-field analytic theory.
介绍描述技术冲突的39个标准参数，40条发明原理、技术冲突解决矩阵及解决问题的一般过程，实例说明了应用。
This may be due to one more volatile substance as internal standard resulting in the rapid uniform distribution of samples partial pressure in the injection chamber.
这可能是由于双内标可使样品分压在进样室快速均匀分布所致。
The high-fat-diet mice were fed a lard-like substance with 45 percent of its calories from fat. Control mice were fed standard chow with 4.5 percent of its calories from fat.
用一种猪油样的由脂肪提供45%卡路里的食物来喂养小鼠，而对照组用标准的食物来喂养，即其中4.5%的卡路里由脂肪提供。
The high-fat-diet mice were fed a lard-like substance with 45 percent of its calories from fat. Control mice were fed standard chow with 4.5 percent of its calories from fat.
用一种猪油样的由脂肪提供45%卡路里的食物来喂养小鼠，而对照组用标准的食物来喂养，即其中4.5%的卡路里由脂肪提供。
应用推荐