对精细有机合成反应中常见的一些分子重排反应,进行分析归纳。
On common molecular rearrangement reactions in fine organic synthesis reaction. Made analyses and induce to them.
促进汽油沸程原料烃类分子重排以生成催化重整过程所要求产物所用的催化剂。
Catalyst for promoting rearrangement of hydrocarbon molecules in a gasoline boiling-range feedstock to form desired product in catalytic reforming process.
异丁醇气体和空气混合后通过催化剂层的固定床反应器,使氧化反应和分子重排反应同时进行。
The oxidation and molecular recomposition proceeded in the same time, when the isobutanol gas and air passed the fixed bed catalytic reactor continuously.
其结果证实:在种种分子重排反应中,总是趋向于生成结构更稳定的碳正离子或碳负离子或自由基中间体及其产物。
Their result affirm: in all sorts of molecular rearrangement reactions, anyway tend to produce more stable carbocation, or carboanion, or free radical middle substance and their products.
DNA序列重排的成本在90年代中期是每个碱基对一美元,而现在的价钱是当时的十分之一,而且人工合成分子的成本也大大降低。
The cost of sequencing DNA has fallen from about $1 per base pair in the mid-1990s to a tenth of a cent today, and the cost of synthesising the molecule has also fallen.
计算分子生物学中的基因组重排,产生了借助于反序来排列有符号排列问题。
The problem of sorting a signed permutation by reversals is inspired by genome rearrangements in computational molecular biology.
在发泡和后处理过程中分子链发生重排反应,生成六元酰亚胺环。
Molecular rearrangement reaction was observed during the heat treatment and the formation of hexahydric imide ring was identified.
克隆性免疫球蛋白重链基因重排检测可以作为诊断恶性B细胞性非霍奇金淋巴瘤的有效分子标志。
Clonal immunoglobulin heavy chain gene rearrangement can be used as a effective diagnostic molecular marker for B-NHL.
噬菌体展示及筛选和DNA重排是体外定向分子进化的重要核心技术。
Phage display and DNA shuffling are important and efficient techniques for directed molecular evolution .
DNA重排和噬菌体展示及筛选是体外定向分子进化的重要核心技术。
Phage display and DNA shuffling are important and efficient techniques for directed molecular evolution.
二氢-2-甲基-4-苯基-1,5-苯并硫氮杂卓与重氮乙酸乙酯反应,得到非预期的分子内重排的开环产物。
From the reaction of 2,3 dihydro 2 methyl 4 phenyl 1,5 benzothiazepines with diazozcetic ester an unexpected ring open product of the intramolecular rearrangement was obtained.
聚合物的应力松弛过程主要表现为高分子链段的运动和重排以及键角的改变。
Polymer stress relaxation process is mainly manifested in the polymer chain segment of the movement and rearrangement, as well as bond Angle changes.
研究了SAS型固体酸和几种分子筛上氧化苯乙烯液相重排成苯乙醛的反应,考察了催化剂的活性、选择性和和稳定性。
The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied.
将化合物转化为其异构物,即重排分子结构而不改变分子大小或化学成分的炼厂工艺。
A refinery process for converting chemical compounds into their isomers, i. e. , rearranging the structure of the molecules without changing their size or chemical composition.
将化合物转化为其异构物,即重排分子结构而不改变分子大小或化学成分的炼厂工艺。
A refinery process for converting chemical compounds into their isomers, i. e. , rearranging the structure of the molecules without changing their size or chemical composition.
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