查询词典 dihydro-compound

Results61 peaks were separated and 16 constituents were identified, which were composed of about 96.46% of the total essential oil.ConclusionThe main constituents are allyl phenoxyacetate(80.17%), eudesma-4(14),11-diene(6.83%), 2,3-dihydro-3-methyl-3-benzofuran-methanol(2.94%), limonene(1.63%). The essential oil in Oenanthe javanica DC from Dali, Yunnan can be used in the food service industry and the cosmetic industry as spices.

水芹挥发油中的主要成分为苯氧乙酸烯丙酯（80.17%）、桉叶-4(14)，11-二烯（6.83%）、2，3-二氢-3-甲基-3-苯并呋喃甲醇（2.94%）、柠檬烯（1.63%），云南大理产水芹挥发油中萜类化合物及其衍生物含量在13%以上，苯氧乙酸烯丙酯含量高，可用作食品工业和化妆品工业的香料。

ConclusionThe main constituents are allyl phenoxyacetate(80.17%), eudesma-4(14),11-diene(6.83%), 2,3-dihydro-3-methyl-3-benzofuran-methanol(2.94%), limonene(1.63%). The essential oil in Oenanthe javanica DC from Dali, Yunnan can be used in the food service industry and the cosmetic industry as spices.

水芹挥发油中的主要成分为苯氧乙酸烯丙酯（80.17%）、桉叶-4(14)，11-二烯（6.83%）、2，3-二氢-3-甲基-3-苯并呋喃甲醇（2.94%）、柠檬烯（1.63%），云南大理产水芹挥发油中萜类化合物及其衍生物含量在13%以上，苯氧乙酸烯丙酯含量高，可用作食品工业和化妆品工业的香料。

4Production of chemical products from which narcotics are easily made ephedrine, 3, 4-idene dihydro phenyl-2-acctonc, phenylacetic acid, 1-phenyl-2-acetone, heliotropin, safrole, isosafrole, acetic oxide

易制毒化学品生产（麻黄素、3，4-亚基二氧苯基-2-丙酮、苯乙酸、1-苯基-2-丙酮、胡椒醛、黄樟脑、异黄樟脑、醋酸酐

Dihydro safrol is mainly used to synthesize piperonyl butoide which is a widely used insecticide synergist.

二氢黄樟油素主要用于合成高效、用途广泛的农药增效剂———胡椒基丁醚。

Cyclization: cyclization occurs at 100℃in polyphosphoric acid for 4h in the mass ratio of 3-(4-methoxyanilino) propionic acid to PPA with 1:8, and 6-methoxy-2,3-dihydro-4-quinolone is formed in 50.5% yield with a method of rapid chromatographic column, c.

成环反应：质量比[3-(4-甲氧苯氨基)丙酸∶多聚磷酸]=1∶8，反应温度为100℃，反应时间4h，柱层析纯化后6-甲氧基-2，3-二氢-4-喹啉酮的收率为50.5％；c。

A new corrosion inhibitor and Universal antibacterial reagent, namely, the copolymer of N-isopro-pylacrylamide and N-allyl-1-benzoyl-3-phenyl-4,5-dihydro-4-formamido pyrazole was prepared.

合成了一种新的腐蚀抑制及广谱抑菌剂：N-异丙基丙烯酰胺与N-烯丙基-1-苯甲酰基-3-苯基-4，5-2H-4甲酰胺基吡唑的共聚物PNIPAM-Co-PBPCP。

The results showed that during hydrogenation of rosin under the experimental conditions the dominant reaction was the formation of dihydro resin acids with minor products of tetrahydro resin acids and dehydroabietic acid.

证实在本实验条件下松香催化加氢过程中的主体反应是树脂酸的二氢化，只伴随少量的四氢化和极少量的脱氢反应。

But the yields decreased to 71~37％ in n-propanol, i-propanol and i-butanol, with another trimeric byproduct 1-oxo-13c-(2-naphthyloxy)-1, 13c-dihydro-dibenzo xanthenes (29) increasing up to 30％ yield.

而在正丙醇、异丙醇和异丁醇中二苯并咕吨4~6的产率下降至71~37％，另一个二聚体副产物1-氧代-13c-（2-萘氧基）-1，13c-二氢-二苯并-咕吨（29）的含量增加，产率可达30％。

In this study, the amino propyl trimethoxy silane was used for the surface modification of silica, and the modified silica was adsorbed to surface of clay/silica (SiO2 : Clay = 4:1 and 2:1) and the clay/silica was adsorbed by the surfactant. Also, we used Dimethyldistearylammonium chloride and Dodecyltriphenylphosphonium surfactant to modify clay/silica. Then we prepared the Epoxy/clay/silica nanocomposites and Epoxy/clay/silica/DOPO composites.

中文摘要本研究利用胺基矽氧烷改质二氧化矽，并将改质二氧化矽吸附於蒙脱土上(SiO2 ： Clay = 4：1与2：1)再分别以Dimethyldistearylammonium chloride 与Dodecyltriphenylphosphonium界面活性剂改质蒙脱土/二氧化矽并与环氧树脂制备成复材，并且再另外加入含磷阻燃剂 9，10-dihydro-9-oxa-10-phosphaphenanthrene 10-oxide与环氧树脂制备成复材。

As CAAX-mimetics, 1, 3-dihydro-5-phenyl-2-H-1, 4-benzodiazepin-2-one was modified by linking carboxyl groups with various carbon through N-1 and C-3, 3-(imidazol-4-yl) propion amido group with different substituents was connected at C-7; In the synthesis of bisubstrate analogues, thiocarbamido compounds was alkylated by alkyl iodide and then hydrolyzed to give alkylthiol benzoate compounds.

1，4-苯并二氮杂草-2-酮类化合物的合成过程中分别对其1、3、4和7位进行了基团变化，在1和3位连接不同长度含羧基或酯基的侧链，在7位连接不同取代的咪唑丙酰氨基。在苯甲酸硫醇酯化合物合成过程中，建立了一种硫原子连有不同长度碳链的苯甲酸硫醇酯的合成方法。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。