查询词典 aromatic compound

Compound 5 is synthesized through Frieldel-Crafts reaction, Grignard reaction and substitution reaction from compound 1 which serves as starting materials.

以化合物1为起始原料通过付克反应、格氏反应和取代反应，得到最终产物化合物5。

Control of orange scale in the field with a formulated Haolun gum resin compound WU Jing-cai, WANG Zi-qi (Training Center, Fujian Academy of Agricultural Sciences, Fuzhou 350003, Fujian, China) Abstract: Field experiments in three provinces showed conclusively that a 45% formulation of Haolun gum resin compound is a good pesticide for control of orange scale.

浩伦松碱合剂防治柑桔蚧壳虫的田间应用吴敬才，王子齐(福建省农业科学院培训中心，福建福州350003)摘要：通过在3个省份的田间试验充分表明，浩伦松碱合剂是防治柑桔蚧壳虫的良好药剂。

The compound catalyst is added with a cocatalyst ingredient, hydrogen tungsten gunmetal or hydrogen molybdenum gunmetal on the basis of a normal carbon platinum-carried compound catalyst.

该催化剂在一般碳载铂催化剂的基础上添加了助催化成分氢钨青铜或氢钼青铜。

Sidi is a steel-plastic tube through to find and explore with Chinese characteristics can adapt to any occasion of the application of innovation and environment-friendly water purification pipe, PVC pipe will be hard-liner in the pipe inside, set pipe and plastic pipes Corrosion-resistant, high temperature, thermal insulation and strong advantages in one, a very excellent properties of the compound, the compound of the more reliable than the plastic pipe to avoid the process of coating steel pipe wall surface due to improper handling or plastic Powder quality is not high, there will be shedding coating of the phenomenon.

西迪钢塑管是一种经过寻觅和探索具有中国特色的能适应任何施工场合应用创新的环保型净水管材，是将硬聚氯乙烯塑料管内衬在钢管里面，集钢管与塑料类水管耐腐蚀、耐高温，且保温性强等优点于一体，一种综合性能十分优异的复合管，这种复合管比涂塑钢管更为可靠，避免涂敷过程中因钢管内壁表面处理不当或塑料粉末品质不高，涂敷层就会出现脱落的现象。

The paper has a further research on the influence of compound soil nailing behavior in the perspective and the axial strength of the soil nails of the effect of the stiffness of soil, the stiffness of soil-cement mixing piles, the width of soil-cement mixing piles, the length of nails, the angle of nails. The paper also has a research on the influence of compound soil nailing behavior in the perspective of silt and hardpan of the effect of the width of soil-cement mixing piles.

深入分析了土体的弹性模量，水泥搅拌桩的弹性模量，水泥搅拌桩挡墙的宽度，土钉长度的变化以及土钉倾角的变化对复合型土钉墙变形性状和土钉轴力的影响，以及水泥搅拌桩挡墙的宽度在淤泥土层以及砂土土层中对复合型土钉墙支护变形性状的影响。

In order to find the potential factors resulting in significant improvements in the lubricating be- havior of a compound artificial synovia , which was prepared by ourselves with hyaluronic acid mainly and some proteins and phospholipids, the technology of Atomic Force Microscope was used to observe the appearance of adsorbed film on material surface formed by the compound artificial synovia .

用原子力显微技术观测复合人工滑液在材料表面形成的吸附膜的表面形貌图像，吸附膜上清晰地显示有大量的椭球形分子。

Thus, in the absence of cheap and efficient new compound hypotensive agents before the launch, the two drugs can continue to use the compound.

所以，在没有新的便宜高效的复方降压制剂推出前，上述两种复方药可以继续使用。

The synthesis process comprises using chiral phosphorus acid as catalysis, synthesizing 2-(4, 7-indoline) compound in high efficiency and highly enantioselective by using sulfur imide and 4, 7-indoline compound, and products can be used to prepare several 2-dimethylamino indoline compounds with high optical activity through oxidation reaction.

以手性磷酸作为催化剂，由磺酰亚胺和4，7-二氢吲哚化合物可以高效率高对映选择性的合成2-甲氨基(4，7-二氢吲哚)化合物；产物可以经过氧化反应用于制备多种高光学活性的2-甲氨基吲哚化合化合物。

After understanding hydrocyclone's structure and its separating factor of performance by improving on its interior flow field's angle embarking in the concept design phase, we have made full useful of a new conceptual method about TRIZ(Theory of Inventive Problem Solving) and TOC, that is to say, we have made the innovative design of compound hydrocyclones and vibration isolation of electrical machinery combining TRIZ tools with the TOC logical thinking tool,, and devised one kind of new entrance structure, turnstile shape and overflow structure for de-oiling compound hydrocyclones.

在全面理解水力旋流器的结构和影响其分离性能的因素后，从改善旋流器内部结构流场的角度出发，利用TRIZ和TOC相结合的设计方法，应用到复合式旋流器创新设计和电机的隔振中，从而设计出一种更为高效的入口结构、旋转栅形状及溢流管结构的复合式油水分离旋流器。

The superstructure has used the model of elastical constitutive relation; the pile-group foundation has quoted the soil-pile equivalent compound model. It has been analyzed the constitutive relation for soil-pile equivalent compound which regarded as the transversely isotropic body this construction relations, and determined the corresponding elastic constant.

上部结构采用线弹性本构模型，下部群桩基础引用了桩土等效复合体模型，分析了将桩土等效复合体视为横观各向同性体的本构关系，确定了相应的弹性常数。

This paper designs the communication system of radio telescope FAST.

针对500m口径球面射电望远镜FAST分布式控制系统的特点完成了其通信系统的设计。

Political sheep's step-by-step a large number of fossils unearthed in the county soil Ma Ali after rural village in the middle of sallow pelitic siltstone.

步氏和政羊化石大量出土于广河县阿力麻土乡后山村，产于灰黄色泥质粉砂岩中。