查询词典 aromatic

She had filled the room with sweet-scented jasmine and tall aromatic lilies.

她把整个房间放满了散发甜香味的茉莉花和直挺的、芬芳的百合花。

Key Laboratory of Computer Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences.Shanghai(200032)Abstract : The most usual problems encountered in the structure handling are tautomerism, alternating and aromatic systems. Though a number of methods have been reported in the literature, a common disadvantage is that only the convenience for processing were taken into account, but their chemical sense was rarely considered.

化学结构计算机处理中最常遇到的困难是互变现象、交替键和芳香键的处理，尽管解决这些问题的方法早有报道，但它们都有仅考虑计算机处理的方便，而很少注意其化学应用的不足。

Reactions of 5-amino-lH-pyrazoles with aromatic and aliphaticα-bromoacetophenones, followed by acid-mediated iminative cyclization and the ensuing tautomerization, produced methylthio-imidazolo[1,2-b]pyrazoles 6a-6g.

咪唑并[1，2-b]吡唑甲硫醚类化合物经过室温下H_2O_2/CH_3COOH温和氧化，得到咪唑并[1，2-b]吡唑甲基亚砜类化合物7a-7g。

Polycyclic aromatic hydrocarbons have already been verified into hydrocarbons with "mutagenesis, carcinogenesis and teratogenesis".

多环芳烃是指两个或者两个以上的苯环连在一起的一类化合物。

Anti-knock additive tetraethyl lead,vapor pressure,cetane number and content of aromatic hydrocarbon,ethylenes,sulfur and oxides respectively in the motor fuel are more detailedly analysed in regard to their effect on motor vehicle exhaust emission.

较为详细地分析了燃油中四乙铅抗爆剂、芳烃含量、烯烃含量、硫含量、蒸气压、十六烷值及含氧化合物等对汽车排放的影响，并简述了其发展趋势。

Eight novel N,N′-naphthalene acyl substituted aromatic acylamino thiocarbamide s(Ⅱ1~Ⅱ8) were synthesized from aryl acylhydrazine and α-naphthalene acyl isothiocyanate, which was obtained by the reaction of potassium thiocyanate with α-naphthalene acyl chloride obtained from 2-naphthylacetic acid and thionyl chloride in anhydrous benzene.

通过α-萘乙酸和SOCl2在无水苯中反应制得α-萘乙酰氯，与硫氰酸钾反应生成α-萘乙酰基异硫氰酸酯，再与芳基酰肼进行加成反应，合成8种新型N，N′-萘乙酰基取代芳乙酰胺基硫脲类化合物(Ⅱ1～Ⅱ8)。

Products include: high boiling point products, solvent series, plasticizer series, aromatic hydrocarbon series, Zhong propyl butyl-carbinol, 2- octanone and thiophen.

公司主要产品有：高沸点溶剂系列、增塑剂系列、芳烃系列、仲辛醇、2-辛酮及噻吩等产品。

Hook, and it has a-pinene, a -cedrene, a-terpineol, B-caryophyllene oxide etc,they have strongly aromatic- muskiness-perfume. It was designed to toilet powder , puff cake and rouge in cosmetics and soap, it has been to append fantastic essence by directly application.

杉术精油主要成分是柏木醇，其含量占精油70％左右，其余还有α-蒎烯、柏木烯、揽香烯、α-松油醇、β-石竹烯等，有强有力的木香-麝香-龙诞香香气，主要用于爽身粉、粉饼、胭脂等脂粉类化妆品和皂类，还可适于配入幻想型香精中。

The chemoselectivity of the reaction is noteworthy, as the presence of a halide on the aromatic ring furnishes the triazole 5 as the sole reaction product.

值得注意的化学反应的，作为一个在场的卤化物的芳香环唑5作为唯一证据的反应产物。

As suitable solvents for applying a coloring substance which is, eg, a triphenylmethane dye, organic liquids such as aliphatic alcohols, ketones, esters and aromatic hydrocarbons can be used.

至于申请一着色物质，例如，一三苯甲烷染料，如脂肪醇，酮，酯和芳香族碳氢化合物有机液体可以使用合适的溶剂。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。