碳环的

The formation of 1,3- and 1,6-DMC resulted from methylation at ring carbon 3 and 6, which have identical reaction activities, in 1-methylcarbazole in kerogen matrix with identical rate. The 1,4- and 1,...

相对于1，3-DMC和1，6-DMC而言，1，4-DMC和1，5-DMC显示出相当一致的变化趋势，表明了在1-甲基咔唑进一步的甲基化中，3、6与4、5环碳位上存在竞争性反应过程。

Phenol: Any of a class of organic compounds with a hydroxyl group (-OH; see functional group) attached to a carbon atom in a ring of an aromatic compound.

酚：以羟基(-OH；参阅functional group)与芳香族化合物环上的碳原子相连为特征的一类有机化合物。

The carbon brush and the slip ring are the generator device with slippery wreath contact for energy commutation, as well as an important part of the generator excitation system.

碳刷和滑环是发电机动静接触和交换能量的设备，是发电机励磁系统的重要组成部分。

The carbon brush and the slip ring is the generator action with slippery wreath contact and commutation energy of equipments.As well as the importance of the generator excitation system to constitute part.

摘 要：碳刷和滑环是发电机动静接触和交换能量的设备，是发电机励磁系统的重要组成部分。

The 928 Carbon K-VID has won the Tour De France several times and is definitely one to ride in person.

在928碳的K -西元赢得了环法自行车赛几次，绝对是一个坐的人。

This means resetting stones in a moissanite ring is much easier.

这意味著重的石头在碳矽石环容易得多。

The immunodulatory effects were measured by clearance rate K of charcoal particles, phagocytic index a, thymus and spleen index, ear swelling degree, HC50 value and so on.

方法环磷酰胺诱导小鼠免疫功能低下，予金橘黄酮，观察小鼠碳粒廓清指数K、吞噬指数a、胸腺和脾脏指数、耳肿胀度、血清溶血值（HC50）等指标的变化。

It is prepared by utilizing glutaraldehyde cross-linked β-cyclodextrin to immobilize the uricase on the surface of screen-printed carbon paste electrodes which was modified by MnO2 nano-particles, and ferrocene is employed as an electron transfer mediator.

在丝网印刷碳电极上修饰纳米MnO2，并利用戊二醛和β-环糊精交联固定尿酸酶，以二茂铁作为电子媒介体，研制用于测定尿酸浓度的生物传感器。

Bond length, total atomic charge, frontier molecualr obital energy, and Mullicken Bonding Population proclaimed that electron transfer ought to be possible from benzene to ammonium to form charge-transfer cpmplexes. The molecular obital coefficience showed that the p-π initeraction must be existed between alkali metal cation and benzene.

键长、原子净电荷、前线轨道能量和分子轨道系数、Mullicken成键布居等量子化学参数表明碱金属阳离子和苯环碳原子发生作用而形成电荷转移复合物，这种作用中包含p-π作用的形式。

The effect of methanol, formic acid and aqueous ammonia as nucleophiles on the ring cleavage of 1 was investigated.

8%文献值，首次采用低碳液态醇实现 1 的开环反应，产物为 FOX-7。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。