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Goal compound synthesis namely: Take the vanillic acid as outset raw material, obtains 4- hydroxyl - 3- anisole methyl formate with the methyl alcohol reflux conditions, then after the etherification, the nitration, the return to original state, the ring closure response obtains 6- methoxy - 7- animal pen oxygen radical kui zuo lin - 4- alkone, then passes through the chlorination, the substitution aniline, to escape responses again and so on animal pen oxygen radical, etherification to obtain the goal compound; The goal compound and the diethylamine had the amine substitution reaction to obtain TM1, namely 4- benzene amino - 6- methoxy - 7- [2- hydroxyl - 3-(N, N- two ethyl aminos) third oxygen radical] kui zuo lin; Through zuo has the etherification with the Austria niter to respond obtains TM2, namely 4- benzene amino - 6- methoxy - 7- [2- hydroxyl - 3-(2- methyl - 5- nitryl imidazole) third oxygen radical] kui zuo lin.

目标化合物的合成即:以香草酸为起始原料,与甲醇回流条件下得到4-羟基-3-甲氧基苯甲酸甲酯,然后经过醚化、硝化、还原、环合反应得到6-甲氧基-7-苄氧基喹唑啉-4-酮,然后再经氯化、取代苯胺、脱苄氧基、醚化等反应得到目标化合物;目标化合物与二乙胺发生胺取代反应得到了TM1,即4-苯氨基-6-甲氧基-7-[2-羟基-3-丙氧基]喹唑啉;通过与奥硝唑发生醚化反应得到TM2,即4-苯氨基-6-甲氧基-7-[2-羟基-3-(2-甲基-5-硝基咪唑)丙氧基]喹唑啉。

So, obtain employment is long-term issue, off-duty workers again the problem that obtain employment is extremely urgent.

所以,就业是长期的问题,下岗职工再就业是迫在眉睫的问题。

From the point of investment amount, telecommunication and appreciation industry obtain investment of 105 million dollar, row industry invests amount first place; Estate and Internet industry all obtain investment of 100 million dollar, paratactic industry invests amount the 2nd.

从投资金额来看,电信及增值行业获1.05亿美元投资,位列行业投资金额首位;房地产和互联网行业均获1亿美元投资,并列行业投资金额第二。

On the basic of NNLSE and the Poisson equation, using the Green function approach, we obtain the response function of the lead glass of finite-size, which is a strong nonlocal medium. Starting with the paraxial ray equation, we obtain the analytical solutions of the oscillation trajectory and period of the beam.

基于非局域非线性薛定谔方程以及热传导的泊松方程,采用格林函数法求出了强非局域介质铅玻璃的响应函数和临界功率;从光线方程出发得到了偏离材料中心入射的光束中心振荡轨迹以及周期的解析解。

The preparation process of self-holing polyimide with organosilicon block includes the following steps: 1 the first reaction of polyacid anhydride in functionality not lower than 2, silicon oil with 2 or more amino or imino groups and polyamine with 2 or more amino groups, and the second reaction with one or several kinds of added isocyanate with 2 or more isocyanate radicals to produce sol of polyamido acid containing organosilicon block; 2 solidifying the sol to obtain solid polyamido acid containing organosilicon block; and 3 imidonating the solid to obtain self-holing polyimide with organosilicon block.

本发明公开了一种有机硅嵌段自发孔聚酰亚胺的制备方法,该方法包括以下步骤:(1)有机溶剂中具有大于或者等于2的酸酐官能团度的多酸酐与具有大于或者等于2的胺基或亚胺基的硅油以及具有大于或者等于2的胺基的多胺反应,随后添加一种或多种具有含有等于或者大于2个异氰酸酯基的异氰酸酯反应,生成含有机硅嵌段聚酰胺酸的溶胶。(2)溶胶固化制成有机硅嵌段聚酰胺酸固体。(3)固体亚胺化,即得有机硅嵌段自发孔聚酰亚胺。

In recent years, the social postposition effect that enrols as college enlarge is highlighted, college graduate increases substantially, obtain employment difficult question already became social heat, obtain employment leads a problem to enter a college from socioeconomy domain, become a society gradually the focus of extensive controversy.

近年来,随着高校扩招的社会后置效应凸显,高校毕业生大幅度增加,就业难问题已成社会热点,就业率问题从社会经济领域进入高校,并渐成社会广泛争议的焦点。

The principle flowsheet consist of speed flotation to obtain lead and zinc concentrat in high quality;lead and zinc middle product mixed,after finegrind,was treated in luck flotation to obtain lead and zinc bulk concentrate.

北京矿冶研究总院和凡口铅锌矿共同研发的新四产品工艺流程,其原则流程为快速浮选得高铅精矿和高锌精矿、铅锌中矿合并细磨混合浮选得铅锌混合精矿。

You gave me to hope, Although perhaps that is only a pseudomorph, Therefore I had said to you I must be you the boyfriend, But I obtain am your ice-cold reply, I have I dignity, If a person is so indifferent to me, I cannot again to her propose makes lover's request, Perhaps my at that time I should leave you, But because I so love you, Even if I am truely unable truely to obtain you, I also hoped frequently can see you, This is I to your all requests.

曾经你给过我希望虽然也许那只是一个假象所以我对你说过我要做你的男朋友但是我得到的是你冰冷的回复我有我自己的尊严如果一个人对我如此冷漠我不会再对她提出做恋人的要求也许我那时我应该离开你但是因为我是如此地爱你即使我无法真正的得到你我也希望经常能够看到你这就是我对你所有的要求。

The orgnaization that he asks to obtain Internet to publish a qualification starts this business as soon as possible, according to national regulation, obtain Internet to publish qualificatory orgnaization, this business must be started inside 3 months, if Internet still was not started to publish business inside 180 days, criterion this business qualification will be cancelled.

他要求获得互联网出版资格的机构尽快启动该项业务,根据国家规定,获得互联网出版资格的机构,须在3个月内启动该项业务,如180天内仍未启动互联网出版业务,则该项业务资格将被注销。

Netease is those who obtain demon animal to not hesitate principal, exceed half the number with sell one's own things equity and foreign capital enterprise increases to divide proportionate abasement means to obtain demon animal in joint-stock company, ignore the integral figure of game industry right-down.

网易为获得魔兽之不惜血本,以出让超过半数股权和在合资公司增加外资企业分成比例的屈辱方式获得魔兽,全然不顾游戏产业的整体形象。

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推荐网络例句

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0,0.4,0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗,测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础,研究二值图像的形态分析算法,探讨最小结构元素的两种基本形态:膨胀和腐蚀;分析了数学形态学复杂算法的基本原理,把数学形态学的部分并行处理理念引入到家实际应用中。

Have a good policy environment, real estate, secondary and tertiary markets can develop more rapidly and improved.

有一个良好的政策环境,房地产,二级和三级市场的发展更加迅速改善。