溶液中的盐份富集在聚合物分子的带电基团附近，并形成盐浓度梯度分布。
Salts are enriched around electriferous groups of polymer molecules in solution, which formed a salt concentration gradient.
生物脂质来源于酮脂酰和异戊二烯基团。
Biological lipids originate from ketoacyl and isoprene groups.
这些基团有取代的苯环。
不同类桥联基团根据它们的化学组成能提高玻璃化温度。
Heterogeneous bridging groups can raise the glass temperature according to their chemical composition.
在生长和发育过程中，基因被化学基团如甲基标记后会不表达。
During growth and development, genes that should not be expressed are physically tagged with chemical groups such as methyl groups.
红外光谱及X光电子能谱表明，臭氧氧化在碳黑表面引进了羧基基团。
Both infrared spectroscopy (IR) and X-ray photoelectron spectroscopy (XPS) show that carboxylic acid groups have been introduced onto the carbon black surface.
一个小小的分子称作一个乙酰基团，它黏在一个称作h4的特殊组蛋白上。
A small molecule called an acetyl group attaches to a particular histone known as H4.
任意基团在反应步骤完成后可以很容易地除去的基团都适合做羟基保护基团。
Suitable hydroxy-protecting groups are ether-forming groups that can be removed easily after completion of all other reaction steps.
精确地说，因为有孤电子，所以分子中的基团与其他化学物质反应更加容易。
Literally, a radical is a molecule that reacts easily with other chemicals because of an unpaired electron.
早期的树脂制造技术都是以含酸基团的树脂为基础，中和后，他们可以溶于水。
The earlier resin technology was based on resins which contained acid groups. These could be neutralized to allow them to become soluble in water.
为了赔罪，雷纳德的父母不得不公开谴责反山达基团体，提出一个“象征性的”赔偿要求。
To make amends, Rennard's parents had to denounce the anti-Scientologist group and offer a "token" restitution.
UNC的研究者通过一系列的实验证明，PAP移除了磷酸基团，产生了腺苷酸。
Through a series of experiments, the UNC researchers showed that PAP removes the phosphate group, generating adenosine.
由于工业成本限制了溶剂分子内功能基团的种类数，分类枚举法可以避免组合爆炸。
As the industrial cost limits the number of the kinds of function groups in the molecule of the solvent, the combinatorial explosion can be avoided.
当甲基加到组蛋白后，这些基团会修饰它的性质并改变它上面特定基因的表达频率。
When methyl groups are added to a histone, they modify its properties and alter the frequency at which a particular gene is expressed.
它保证了H 4组蛋白有大量的乙酰基团粘附其上，所以环绕在组蛋白上的DNA能再次被翻译。
It ensures that the H4 histones have plenty of attached acetyl groups, so the DNA wrapped around the histone once again becomes available for transcription.
在有机合成中引入甲氧基胺基团到酮类（特别是甾族化合物）。用于医药和农药的合成。
Inject the methoxylamine group into the ketone group (esp. The steroid) in the organic synthesis uses for pharmaceutical and agricultural chemicals synthesis.
蛋白质链的某些基团倾向于和水结合（亲水性），但其他油性基团则倾向于逃离水（疏水性）。
Some parts of a protein chain like to interact with water (hydrophilic), while others are oily and want to get out of water (hydrophobic).
R基团赋予氨基酸物理化学特性，例如极性（亲水性和疏水性）以及电荷（酸性或正电荷，碱性或负电荷）。
The R-groups give the amino acids their physical-chemical characteristics such as polarity (hydrophobic or hydrophilic) and charge (acidic or positive versus basic or negative).
甲烷2组改为NH或O和反之亦然，硝基成为羧酸和酰胺，OH基团成为氟原子，该名单是广泛的。
CH 2 groups were replaced by NH or o and vice versa, nitro groups became carboxylic acids and amides, OH groups became fluorine atoms; the list is extensive.
为了改性具有芳烃基团的有机高分子材料，用苯甲酸改性碱性钙基膨润土制备了苯甲酸有机膨润土。
In order to modify aromatic polymer, benzoic acid-bentonite was synthesized by treating alkaline Ca-bentonite with Ben - zoic acid.
木材在潮湿的时候就会膨胀，而干燥的时候会缩小，这取决于其中含有的氢氧基团，它可以吸收和释放水分。
Timber swells when it is damp and shrinks when it is dry because it contains groups of atoms called hydroxyl groups, which absorb and release water.
如果用三叔丁基羟基作为氨基保护基团使用，应用酸来将其脱去，如以盐酸和异丙醇为溶剂或无水三氟乙酸。
If the tertiary butyloxycarbonyl group is being used as amino-protecting group, its removal is effected with acid, such as HCl and isopropanol as a solvent or with trifluoroacetic acid neat.
如果用三叔丁基羟基作为氨基保护基团使用，应用酸来将其脱去，如以盐酸和异丙醇为溶剂或无水三氟乙酸。
If the tertiary butyloxycarbonyl group is being used as amino-protecting group, its removal is effected with acid, such as HCl and isopropanol as a solvent or with trifluoroacetic acid neat.
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