解析 A 水的化学式是 H₂ O,H 代表氢元素。 A. Hydrogen 氢 B. Hexagon 六边形 C. Half 一半 D. Heaven 天空。结果一 题目 In the chemical symbol for water, H₂O , what does the H stand for? A.HydrogenB.HexagonC.HyacinthD.Hybrid 答案 A 结果二 题目 In the chemical symbol for ...
/ 5eIndVl; `endVEl/ n 1 (esp in Christian belief) messenger or attendant of God 天使(尤指基督教信仰中上帝的使者或侍者): Angels are usually shown in pictures dressed in white, with wings. 在图画中的天使通常是身穿白衣, 生有翅膀. =>illus 见插图. 2 beautiful, innocent or kind person ...
This chemical is added to the water in order to sterilize and clean water 翻译结果4复制译文编辑译文朗读译文返回顶部 This kind of chemical drugs in order to 4.1.8.4 is added to the water and water purification 翻译结果5复制译文编辑译文朗读译文返回顶部 This kind of chemicals adds to in the wa...
For example, a diamond that has very strong covalent bonds and that we throw into the water, "dissolves slowly" every time in some way? Or the point is that this process is very very slow, such as the transformation of a diamond into graphite, and that's why we say something is "ins...
Chemical Name:Imidazoline Chemical Structure: CAS No.:504-74-5 Molecular Fomula:C3H8N2 Molecular weight:- Appearance:Brown liquid Assay:95% Imidazoline Corrosion Inhibitor cas 504-74-5 Typical Properties Specification Item Specification Appearance Red-Brown liquid ...
30% solid content mainly use as sticks for paper, small lumber, available in paper processing (paper pulp chemical additive, paper soaking, spreads cloth to help medicinal preparation), fabric processing, cement intensifier, handicraft production and culture and education office supplies bond. 25% ...
Environmental Engineering & Management JournalCioroi M., Praisler M., (2012), Physico-chemical characteristics and dynamics of the wells water in Galati ... M Cioroi,M Praisler - 《Environmental Engineering & Management Journal》 被引量: 5发表: 2012年 Growth of citrus production among the Eur...
aPhenylacetone, also known as methyl benzyl ketone, or [translate] aproduce phenylacetone plus carbon dioxide and water. In chemical writing: [translate] 英语翻译 日语翻译 韩语翻译 德语翻译 法语翻译 俄语翻译 阿拉伯语翻译 西班牙语翻译 葡萄牙语翻译 意大利语翻译 荷兰语翻译 瑞典语翻译 希腊语翻译 51...
PAM can accelerate the settling of particles in suspension, accelerate solution clarification, and facilitate filtration. It can be used for water quality treatment and purification in chemical industry wastewater, municipal sewage, tap water industry, coal washing, mineral processing, metallurgy, ...
More precisely, chloraminated water systems serve more than 113 million people in the U.S. alone, the study notes. For decades though, chloramine decomposition has been suspected of producing elusive chemical by-products. Some still consider chloramine a better option, however, than chlorine, the...