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Because the limonene does not have a carbonyl group, the small amount of it which remainsin the carvone fraction will not form a semicarbazone derivative.

由於柠檬没有羧基,留在香芹酮馏份中少量的柠檬将不会产生缩胺基脲的衍生物。

We Factory export forest products as follows:Gum Rosin,Gum Turpentine(All products take to make by best,advanced and universal's a spectrum of steam method,and we severely differentiate material make into 100% Pinus Massoniana,Pinus Marsh,pinus elliotiis and Pinus mixed etc foru products),Pine Oil,Terpineol,α-Pintene,β-Pintene any rosins,Tung Oil,Cassia,Star Aniseed etc.our export have exceed 15years.

我司经常出口的林化产品有:脂松香、脂松节油(全部采用当前中国最先进和常用的连续蒸汽法生产,并严格区分原料生产出纯马尾松、湿地松、南亚松经合松四种产品)、松油、松油醇、α-蒸、β-蒎、各种树脂产品以及桐油、桂皮、八角等。其中,脂松香和脂松节油是我们的传统出口产品,已有15年的历史了。

Synthesis of terpene-catechol resin from terpene resin and catechol was reported in this paper.

以萜树脂和邻苯二酚为原料,合成了萜-邻苯二酚树脂。

Objective To establish a HPLC method for determination of diethylstilbestrol and chloramphenicol in compound diethylstilbestrol cream .

目的用高效液相色谱法同时测定复方己雌酚乳膏中己雌酚和氯霉素的含量。

The conversion of eicosapentaenoicacid esters in Chlorella USTB-01 and the formation as well as extraction of EPA were investigated in this paper.

对小球藻USTB-01细胞中二十碳五酸酯的转化和二十碳五酸的生成与提取进行了研究。

The crosslinked rubber with dicyclopentadienecrosslinkage was prepared by the reaction between the chlorohydrin rubberand the cyclopentadienyl sodium.

以环戊二基钠与氯醇橡胶反应,制得了含CPD侧基和双环戊二交联的聚合物。

In my opinion, Cu complexes with unsaturated alcohol to form a complex compound; the nitrogenous compound introduced serves as the complex compound's stabilizing agent and reduces activation energy of reaction; TMPO serves as oxygen carrier and displays it's selective oxidation function. This new method and mechanism also demonstrates significance to other similar organic reactions.3 In the chlorohydrin reaction, NaCIO is replaced by Ca2see Chapter4.4.3.4(2 .A, this method hasn't been reported in previous literature,which exerts more buffer action to the react system, the yield increased from 52% to 88.6%; at the same time it solve the problem of poor stability and low percentage composition of NaCIO.

认为:CuD与醇形成络合物:含氮有机物的引入起到稳定络合物,降低活化能的作用:而TMPO则充当携氧子起传递氧的作用,并具有选择氧化功能:这种新的方法和理论对类似的反应(不饱和醇类在络合体系下选择性催化氧化为对应的醛也具有重要的指导作用。3在异戊二的氯醇化反应中,用次氯酸钙代替次氯酸钠见第4章4.3.4(2.A,本方法未见文献报道,使反应系统更加温和,收率由52%提高到88.6%:并解决了次氯酸钠稳定性差、有效氯含量低的实际问题,具有重要的实用意义。

This invention discloses an intermolecular charge transfer chromogen with triphenylamine group, with a formula indicated by (1), wherein: R1 is hydrogen atom or methyl group or methoxyl group, R2 is hydrogen atom or 2-(5,5-dimethyl-3-vinylcyclohexenyl-2-enylidene)propanedinitrile group.

本发明公开的含三苯胺基团的分子内电荷转移生色团,具有式1所示的结构式,其中R 1 为氢原子或甲基或甲氧基,R 2 为氢原子或2-(5,5-二甲基-3-乙环己基-2-亚基)丙二腈基。

This invention applies mild condition uses substituent group triphenylamine aldehyde or triphenylamine dialdehyde as raw material to react by heating with 2-(5,5-dimethyl-3-vinylcyclohexenyl-2-enylidene)propanedinitrile group to produce the intermolecular charge transfer chromogen with high decomposition temperature, non-coplanar structure, and triphenylamine group.

本发明采用温和的手段,将取代基三苯胺单醛或取代基三苯胺双醛为原料与2-(3,5,5-三甲基环己-2-亚基)丙二腈共热生成具有高的热分解温度、非共平面空间结构的含三苯胺基团的分子内电荷转移生色团。

In order to explore the relationship between the Artemisia frigida Wild. and the intake mass, this reaserch took sheep as reaserch object, using mixture of pasture containing A. frigida in different scales to feed sheep, to analyse the intake mass of the sheep, intake behavior and diet selection strategy, combined with Thermal-desorption Cold Trap/Gas Chromatography/Mass Spectrum to analyse the VOCs from the overground part of A. frigida in July and to identify the compoments; and its major components cineole,α-terpinol ,α-pinene andβ-pinene were added to the sheep feed, to analyse the effects of different monomers of VOCs from A.

为了探讨冷蒿与家畜采食量的关系,本实验以绵羊为研究对象,用含有不同比例冷蒿的混合牧草饲喂绵羊,分析了绵羊的采食量、采食行为及食性选择策略,结合热脱附―气相色谱―质谱联用技术对冷蒿地上部分7月份释放气体进行了组分分析和鉴定;并将其主要成分桉树脑、α-萜品醇、α-蒎和β-蒎添加到绵羊的饲料里,进一步分析了不同冷蒿挥发物单体对绵羊采食量、采食行为及食性选择策略的影响。

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推荐网络例句

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。