hydroxyls
英
美
网络 氢氧根; 羟基
双语例句
- Yellow ketone is a colourless organic compound, natural yellow dyestuffs are mostly hydroxyls or first oxygen base substituents of yellow ketone or yellow ketone alcohol.
黄酮是一种无色有机化合物，天然黄色染料大多是黄酮或黄酮醇的羟基或甲氧基取代物。 - During the polymerization process, acrylic acid monomer is grafted to the hydroxyls of zeolite surface and successfully embedded in the hole of zeolite.
聚合过程中，丙烯酸分子与沸石表面的羟基发生接枝共聚反应，并成功地插入到沸石孔内。 - Tests show that the thin bamboo fiber is larger than the surface area with many hydroxyls on the surface of the fiber and has great chemical activity, and thus it has an excellent dyeing property.
有试验表明，竹单纤维细、比表面积大、纤维表面的羟基多，化学活性大，因而具有优越的染色性能。 - The antiseptic effect of hydroxybenzoic acid ester that hydroxyls lay in different position was studied by inoculated standard ATCC and "wild" pseudomonas bacilli to the surfactant systems using hydroxybenzoic acid esters as antiseptic.
通过向以羟基苯甲酸甲酯、丙酯为防腐剂的表面活性剂中接种ATCC标准绿脓杆菌和wild绿脓杆菌，对羟基苯甲酸酯中羟基位于不同位置的防腐剂防腐效能进行实验研究。 - As a main component of black liquid from papermaking industries adopting alkaline pulping, the high-efficient utilization of alkali lignin focuses on how to improve the chemical reactivity caused by its plentiful methoxyl and few aliphatic hydroxyls.
碱木质素是造纸工业碱法制浆黑液的主要成分，其甲氧基含量较高，醇羟基含量较低，导致化学反应活性低，因此提高其反应活性成为碱木质素高效利用的关键。 - Oxygen alkaline wheat straw lignin was modified by reacting with hydroxypropyl, the reactivity of the modified lignin which had more phenolic and alcoholic hydroxyls and diisocyanate was increased.
将麦草氧碱木素与环氧丙烷反应得到改性木素，其酚羟基和醇羟基含量增加，提高了木素与二异氰酸酯的反应性能； - It can be deduced that the enrichment of starch microspheres to ascorbic acid depends mostly on association reaction of hydrogen bond between hydroxyls and amidos of starch microspheres and hydroxyls of ascorbic acid after contrasting the oxidation features of ascorbic acid when using various electrodes.
通过比较不同工作电极作用下抗坏血酸的氧化特征，可以推论淀粉微球对抗坏血酸的富集作用更多的依赖于微球结构中的-OH、-NH2与抗坏血酸分子中-OH之间的氢键缔合作用。 - The results showed that structural hydroxyls existed on FS and some of those were active.
结果表明，FS存在结构羟基，其中一些羟基具有化学反应活性。 - The experiment indicates the presence of hydrogen bonding between the inner surface hydroxyls of the kaolinite and the amino groups of benzamides in the kaolinite-benzamide intercalation compound;
苯甲酰胺分子的氨基与高岭石的内表面羟基形成了氢键，苯甲酰胺分子可能以单分子层垂直排列于高岭石层间。 - Reaction of sucrose with trialkyl orthoacetate, subsequent tritylation, acetylation, and detritylation afforded derivatives of sucrose acetate by selectively blocking specific hydroxyls in sucrose and 4-6 acetyl migration.
蔗糖和原乙酸三烷基酯反应后，经三苯甲基化、乙酰化以及乙酰基由4-位到6-位的基团迁移反应，选择性地保护了蔗糖分子中的羟基基团，合成了一系列蔗糖乙酸酯。 - Study on the reaction between isocyanates and hydroxyls in wood solutions
木材溶液中羟基与异氰酸酯反应的研究 - The reactions occurring in ammonia leaching of zinc oxide are ammonia hydration, zinc ion complex with hydroxyls, and zinc ion complex with ammonia.
氧化锌的氨浸可能发生氨水与氢离子的反应，锌离子和氢氧阴离子的络合反应，锌离子与氨水的络合反应。 - By using EPMA, XPS and FTIR etc., the surface composition, the properties of surface hydroxyls, the acidity and basicity of the adsorption sites and the electron binding energies of surface elements of γ-Al_2O3 modified by K_2O are studied.
本文利用EPMA、XPS和FTIR等物理方法，研究了浸渍K2O以后的γ－Al2O3的表面组成、表面羟基性质、表面酸碱性以及表面各元素电子结合能的变化。 - Based on the distribution of both speciation of surface hydroxyls on minerals and PCP in solution, the authors put forward a surface reaction model involving surface complexation and surface electrostatic attraction to fit the pH-dependence isotherms, and calculated both reaction constants.
基于矿物表面羟基位化合态和PCP的化合态考虑，提出一种包含表面络合反应和表面静电吸附反应的模式，对pH关系等温线计算拟合发现有很好的相关性。 - Starch is an organic high polymer chemical compound with many hydroxyls.
淀粉是一种多羟基有机高分子化合物。 - Hydrogen bond formation between surface hydroxyls of these particles.
二是两种颗粒表面羟基的氢键化作用，这两种作用是协调一致的。 - From 600-700 ℃, dehydration of the hydroxyls in carbonized material takes place abundantly, and the carbon net construction is developed highly.
600~700℃间，炭化物中发生了大量&OH的脱水反应，碳网构造开始迅速发达。 - The FT-IR spectra suggested that potassium acetate possibly formed hydrogen bonds with the inner surface hydroxyls of kaolinite.
FT-IR谱表明醋酸钾可能与高岭石的内表面羟基形成了氢键。 - Elemental analysis and AES indicate that each Tb 3+ ion is coordinated by three TTA-ions and two hydroxyls from one unit in the EPU molecule, making the coordination polymer cross linked further.
元素分析和电感偶合等离子体发射光谱（AES）测定结果证明了每个Tb3+分别与EPU分子中1个链节单元的羟基和3个TTA-发生配位，从而得到配合物的结构。 - Three active hydroxyls were found in the surface of AT. It provided the theory for us to modify the surface of AT.
通过红外分析发现AT存在三种活泼羟基，这为AT的表面改性提供了理论基础。 - It was deduced that methyls were possibly inserted into hexagonal rings of silica tetrahedrons and hydroxyls into octahedrons.
其甲基可能嵌入了硅氧四面体的六角环空洞中，而羟基嵌入了铝氧八面体内。 - Hydroxyls in molecular sieve were studied by high temperature diffuse reflectance infrared spectroscopy.
采用高温漫反射红外光谱法研究分子筛羟基，考察了温度、加热时间对高温光谱的影响。 - The total surface site density of kaolinite was much greater than that of alumina and silica. The possible explanation was that protons or hydroxyl ions from the solution could penetrate between the layers of kaolinite and react with hydroxyls in the sheets.
高岭石的总表面位密度远大于氧化铝和二氧化硅，其原因很可能是溶液中的质子或羟离子能够渗入高岭石的层间，与层间的羟基发生反应。 - :-Zr [ CH2C ( CH3) 3] 2 groups were grafted on surface of MCM-41 by a reaction with the surface hydroxyls in a high vacuum system for the first time.
首次在高真空系统中利用Zr[CH2C（CH3）3]4与表面羟基的反应把-Zr[CH2C（CH3）3]2基团接枝在介孔硅胶MCM-41的表面上，经进一步氧化和水解得到了表面富锆MCM-41材料。 - Because there are active hydroxyls in the surface of AT, different kinds of modifiers can be used in the surface modification of AT.
由于AT含有活泼羟基，因而可采用不同种类的改性剂进行表面改性。 - The results show that hesperidin can not scavenge hydroxyl radicals ( HO ·) effectively because it contains only two phenol hydroxyls. However, it can form a complex of 2:1 with Cu(ⅱ) through the carbonyl group and the ortho-hydroxyl group.
结果表明，橙皮苷酚羟基含量少，不能有效清除羟基自由基，但是可通过羰基和邻羟基与Cu（II）形成2：1配合物； - A starch molecular contains many hydroxyls. Starch properties can be modified through hydroxylation such as esterification, etherification, oxidation and cross-linking.
淀粉分子具有很多羟基，通过这些羟基的酯化、醚化、氧化、交联等反应，能改变淀粉的性质。 - Cellulose is the most abundant organic matters in the nature, and contains many hydroxyls in its molecular chain. The cellulose properties can be changed through hydroxylation such as esterification, etherification, oxidation and crosslinking.
纤维素是自然界中资源最丰富的天然高分子，它具有多羟基结构，通过这些羟基的酯化、醚化、氧化、交联等反应，能改变纤维素的性质。 - Therefore, it is of great importance in synthesis of well-defined polymers, containing hydroxyls as well as phenylboronic acid side groups, for the preparation of phenylboronic-diol crosslinked polymer gels.
因此，设计并合成结构明确的含双羟基侧基及含苯硼酸侧基的聚合物，进而构建基于苯硼酸-双羟基交联体系的聚合物凝胶将具有很好的理论意义和实际意义。