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- covalent bonded material 共价键材料
- Planning Manage handbook and bonded material. 监管相关手册以及保税商品的记录。
- The atom that contributes no electrons to a covalent bond. 受体没有给共价键提供电子的原子。
- A covalent bond in which both electrons are provided by one of the atoms. 两个电子都由一个原子提供的共价键。
- A substance that provides a pair of electrons for a covalent bond with an acid. 共价化合物能够提供一对电子给一个酸形成共价键的化合物
- In covalent bonding, atoms share electrons. 在共价键联中,原子共有电子。
- Further study is needed before the origin of the covalent bond can be considered a settled question. 需进一步深入研究方能解决共价键的起源问题。
- A molecule or ion that can combine with another by forming a covalent bond with two electrons of the other. 分子,离子可通过两个电子形成共价键而结合在一块的分子或离子
- Bonding material not present if required. 在有要求时,却没有粘贴物质。
- Peroxide: Any of a class of chemical compounds in which two oxygen atoms are linked by a single covalent Bond . 过氧化物:任何由两个氧原子以单个共价键相互结合在一起的一类化合物。
- Among them, boric acid derivatives with fluorophore may selectively recognize saccharides or hydroxyl compounds through the formation of covalent bond. 糖化学在生命科学中起着非常重要的作用,因此对糖的识别和检测在医学、细胞生物学等领域具有至关重要的意义。
- A nonpolar covalent bond happens when both atoms have the same strength of electric attraction for the shared electrons. 当两个原子对共享电子的引力相同时形成非极性共价键。
- To deal with bonded materials and duty exemption affairs. 办理保税物资及免税事宜.
- Chemical and Infrared analysis of purified samples shown that about 10% of total DBM was grafted onto LDPE backbone chain with covalent bond. 产品经二甲苯溶解,丙酮沉淀纯化数次后,由化学分析和红外鉴定表明,在挤出反应中确有40%25以上的DBM单体接枝到聚乙烯链上,接枝率可达到0.3DBM/100E。
- It was a fire-new technics for manufacturing grinding tools adopting photosensitive resin as bond material to make diamond thin wheel. 采用光敏树脂作为结合剂制作金刚石薄型锯片是一种全新的磨具洁净和快速生产工艺。
- A polar covalent bond happens when one electron has a stronger electrical attraction for the shared electrons than the other atom(s). 当一个原子对共享电子的电吸引强于其它原子时,形成极性共价键。
- The non-substitutable superiority of chrysotile is expounded.The risks of using chrysotile and of using alternative fibre/polymer bonded material are compared. 本文论述了温石棉无可替代的优越性,并就其在使用中的危害与代用纤维/聚合物复合材料进行了客观比较。
- A chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g.,oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond. 一种化学键:由两个负电原子(如氧气或氮)及其间的氢原子组成,其中一边是共价键,另一边是离子键。
- Ceramics primarily have ionic bonds, but covalent bonding is also present. 陶瓷初始状态是受离子束缚的,但是还是有共价键结构的。