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- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- Nitrate of soda may be sown on pasture that does not eat off. 可以把硝酸钠撒在牧草还没有吃光的草地上。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项,末项比率或数列中第一个或最后一个项
- Ammonium nitrate ratio 铵硝比
- A highly explosive mixture of ammonium nitrate and trinitrotoluene. 阿马托炸药一种由硝酸铵和三硝基甲苯组成的烈性混合炸药
- A cellulose nitrate used as a component of smokeless powder. 火纤维素硝酸纤维素,用于无烟的炸药的组成物质
- when copper nitrate and cobalt nitrate are impregnated together, copper nitrate and cobalt nitrate ratio is 0.8, and Al_2O_3 (bond) amounts reach 23%, Co and Cu-containing ZSM-5 shows both the greatest capability and intensity. 当铜钴离子共同浸渍、铜钴离子浸渍量比(n(Cu) n(Co))为0 8和Al2O3(粘合剂)用量w(Al2O3)为23%25时,改性的ZSM-5分子筛既具有良好的吸附性能又有良好的机械强度。
- Nitrate reductase is a short-lived enzyme. 硝酸还原酶是短寿酶。
- They were able to nitrate methane to nitromethane. 他们能将甲烷硝化成硝基甲烷。
- Using citrate as complex, the total acidity of zinc dihydrogen phosphate and zinc nitrate was determined by the titration with sodium hydroxide standard solution. 摘要用柠檬酸盐作络合剂,氢氧化钠标准溶液滴定,测定磷酸二氢锌和硝酸锌的总酸度;
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- Nitrate is added to most cured meats. 大多数的腌肉里都加了硝酸盐。
- The ratio of men to women was two to one. 男女的比例是二比一。
- We need to cut nitrate levels in water. 我们需要降低水中的硝酸盐含量。
- Methods: The Sodium Citrate be used ases the Defloculating agents. 方法:加入枸橼酸钠作为反絮凝剂。
- Nitrate was aerobically reduced to nitrite. 硝酸盐去氧后转化为亚硝酸盐。
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔
- The other well-known regenerative process is citrate process. 另一种广为人知的再生法是柠檬酸法。