The luminescent strength is improved owing to decrease the fluorescence quenching of hydroxyl group when PEG is incorporated.
PEG的加入有助于提高发光强度,是因为降低了羟基的荧光淬灭。
An organic compound containing a hydroxyl group bonded to a carbon atom, which in turn is doubly bonded to another carbon atom.
烯醇一种有机化合物,包含有与碳原子键连的羟基群,该碳原子反过来又与另一个碳原子双键连接。
With hydroxyl group terminated PDMS on both side as feedstock, adding several kinds of fillers and adjuvants, the room-temperature vulcanized silicone rubber coatings are prepared.
以二羟基聚二甲基硅氧烷(PDMS)为基体,加入不同填料和助剂,制备了室温硫化硅橡胶涂层。
Straight chain alcohols range from 10 to 33 with the hydroxyl group at every theoretically possible positions.
此外还检出了一整套直链一元仲醇同系物,其碳数从10至33,而羟基可在任何理论上可能的碳位上。
There could be a coordination bond between the silver atom and the hydroxyl group of tannic acid, which stabilize the Ag nanoparticles in the spatial reticulate structure of tannic acid.
纳米银颗粒与羟基发生电荷吸附作用,固定在鞣酸的空间网状结构中,稳定存在。
One-component PU adhesives were prepared from the blocked prepolymer and hydroxyl group-containing prepolymer.
以封闭型预聚体和含羟基预聚体为主要原料制备得单组分聚氨酯(PU)胶粘剂。
A water soluble acrylic coatings with amide, carboxyl, ester and hydroxyl group on side-chain have been synthesized.
本文合成了侧链上带有酰胺基、羧基、酯基和羟基的水溶性聚丙烯酸树脂。
Any acid that has hydroxyl groups in addition to the hydroxyl group in the acid itself.
任何含有除自身的羟基外其他羟基的酸。
On the present, the main studies focus on the stability improvement of photochromic dyes, preparation of sol-gel optical fibre and decrease of hydroxyl group content.
提高光致变色染料的稳定性、制备溶胶-凝胶光纤及降低杂化材料羟基含量是目前的研究重点。
Compared with polyethylene as a standard sample, GAP has higher surface free energy because there are many hydroxyl groups and azide group in the surface of the GAP molecule.
与聚乙烯相比,GAP的总表面的自由能较高,这主要是因为GAP表面含有羟基和叠氮基团。
X-ray photoelectron spectroscopy (XPS) indicated that the higher reaction activity of alkyl halide, the more alkyl substitution degree on hydroxyl group of chitosan.
对烷基化壳聚糖进行X射线光电子能谱分析表明,随着卤代烷试剂反应活性的增高,发生在壳聚糖羟基上的烷基取代反应增多。
All K atoms coordinate with o atoms of phenolic hydroxyl group and nitro-group simultaneously.
所有的K离子均同时与酚羟基和硝基的氧原子配位。
Ethanol (grain alcohol) and methanol (wood alcohol) are the Best-known alcohols with one hydroxyl group.
乙醇(酒精)和甲醇(木醇)是最有名的醇类,含有一个羟基。
Starting from natural amino acid, diphenol having a phenolic hydroxyl group was synthesized. Using the diphenole as comonomer, a biodegradable epoxy resin in which contain amide group.
用天然氨基酸为起始材料,合成了一种具有双酚羟基官能团的环肽,并以此环肽为联酚合成了主链包含酰胺键的可生物降解环氧树脂。
The thermodynamic parameters of carboxylic group and titrable phenolic hydroxyl group of humic acid are similar to that of simple hydroxy-benzoic acid.
腐植酸的羧基和可滴定的酚羟基在热力学性质上同简单的羟基苯羧酸相似。
Tha presence of a hydroxyl group, in addition to an olefinic linkage, in the predominating fatty acid of castor oil, gives this vegetable oll many unique and interesting properties.
在蓖麻油的主要成分脂肪酸中,除含有一个烯键外,羟基的存在使该植物油具育许多独特的性质。
Nile red and Nile blue derivatives with carboxyl or amino or hydroxyl group were synthesized, which were used to tag biological molecules.
设计合成了含有活性基-羧基、氨基、羟基的尼罗红和尼罗兰衍生物,用来标记生物分子。
Selecting chlorination of hydroxyl group in sucrose 6-acetate is a key in the process of making sucralose.
蔗糖- 6 -乙酸酯的选择性氯化是合成三氯蔗糖的关键步骤。
Selecting chlorination of hydroxyl group in sucrose 6-acylates is a key in the process of making sucralose.
蔗糖- 6 -乙酸酯的选择性氯化是合成三氯蔗糖的关键步骤。
The working fluid includes pure water and an organic compound bearing a hydroxyl group.
所述工作流体包含纯水和含有羟基的有机化合物。
Another end for the hydroxyl and the carboxyl group, has the water affinity.
另一端为羟基和羧基,具有亲水性。
The present invention discloses one kind of cosmetics resisting skin ageing, and into the main material of cosmetics, triterpene glycoside containing hydroxyl group or its derivative is added.
本发明公开一种抗皮肤老化化妆品,是在化妆品主料中添加有含羟基的三萜类皂苷或其衍生物。
The dehydration of laterite could be divided into steps of removing free water, crystal water and hydroxyl group at different temperature.
在升温过程中,得到了原矿主要矿物中自由水、结晶水和羟基的脱除温度区间。
It may be that there is not the hydroxyl group and can not form intermolecular hydrogen bond with MB-Hb system in the cyclohexane.
这也许是因为其不含有而不能与体系形成分子间氢键所导致的。
With hydroxyl group terminated PDMS on both side as feedstock, adding several kinds of fillers and adjuvants, the room-temperature vulcanized silicone rubber coatings are prepared.
采用一定粘度的聚二甲基硅氧烷为基体,加入适量填料和助剂,成功制备了室温硫化硅橡胶涂层。
Cholesterol is another lipid component of most cell membranes. It has a hydroxyl group, a tiny polar head group so to speak attached to a rigid hydrophobic tail.
胆固醇也是大多数细胞膜脂质的组成成分,它有一个羟基基团,即一个微小的极性头部连接到一个刚性的疏水性的尾端。
When we acylated the 4'-phenolic hydroxyl group in the molecular structure of puerarin, the derivatives'physico-chemical properties had some changes.
在理化性质测定方面,将葛根素分子结构中的4’-酚羟基进行酰化后其理化性质发生了一定的变化。
The more hydroxyl-group, the lower in early viscosity, and the higher in final viscosity.
羟值越大,初始粘度越低,而最终粘度越高。
The present invention relates to a microgel latex with modified hydroxyl group and a property of stable storage.
本发明涉及一种存储稳定的。羟基改性的微凝胶体胶乳。
The present invention relates to a microgel latex with modified hydroxyl group and a property of stable storage.
本发明涉及一种存储稳定的。羟基改性的微凝胶体胶乳。
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