hydrogens
英 [ˈhaɪdrɪdʒənz]
美 [ˈhaɪdrədʒənz]
n. 氢; 氢气
hydrogen的复数
双语例句
- The other two activated hydrogens still can take place mannich reaction with amine and formaldehyde.
余下的两个活性氢位置仍然能与胺类、醛类发生曼尼期碱的缩合反应。 - The reaction rates decrease withincrease of the degree of chlorination, which implies that the substituted chlorine atoms hinder the neighboring hydrogens to be further replaced.
试验结果表明，氯代反应速度随产物氯化度提高而减慢，说明已取代的氯原子对邻近氢进一步被取代有阻碍作用； - The head group of soluble additives formed hydrogen bonds with the hydrogens in the hydroxyl and amine groups at the asphaltene surface.
可溶性添加物通过头部官能团与沥青质表面杂原子的羟基和氨基中的氢形成分子间氢键，从而吸附在沥青质表面。 - And so now I have hydrogens at the four corners of a tetrahedron.
放在碳正四面体，的四个角上。 - Here are two hydrogens, and they both look the same.
把另一个放在这里，他们看起来是一样的。 - And if we think about the six hydrogens, now each of those are going to bind by combining one of the carbon hybrid orbitals to a1 s orbital of hydrogen.
如果我们考虑有六个氢原子，每个都会合起来，碳杂化轨道成键，每个氢的1s轨道。 - Substituent group have little effect on hydrogens of A and C ring. The chemical shift of para-carbon increases as substituent group s 'supplying electron to benzene ( except for IE and 2E) increases.
与取代基相连碳的邻位、对位上的氢的化学位移随取代基的增大而增大（1E和2E除外），C环和A环上的氢受取代基的影响不明显； - A methane molecule is composed of one carbon atom attached to four hydrogens.
甲烷分子由1个碳原子与4个氢原子构成。 - Three Hydrogens Rearrangement of 7-Piperazine-8-N-Quinolone
7-哌嗪-8-N-喹诺酮酸的三氢重排 - The states of active hydrogens, the hindered rotation within molecules and the kinetic phenomena of tautomerism have also been discussed.
还对分子内的受阻旋转、活泼氢状态以及互变异构体的动力学现象作了讨论。