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The method comprises following steps: taking diphenol and 3- trifluoromethyl- 4- chloronitrobenzene as raw material, salt precipitating for diphenol and potash, refluxing with water- containing toluene, reacting with 3- trifluoromethyl- 4- chloronitrobenzene and getting dinitro monomer; taking dinitro monomer, ferro powder and HCl as raw material, ethanol and water as disslovant for refluxing and ethanol recrystallization, getting fluorine- containing aromatic diamido monomer.

合成方法是以二酚与3-三氟甲基-4-氯硝基苯作原料,先将二酚与碳酸钾成盐,甲苯带水回流反应,然后与3-三氟甲基-4-氯硝基苯反应制得二硝基单体;再以二硝基单体,铁粉,HCl为原料,乙醇和水做溶剂,回流反应、乙醇重结晶,得到含氟芳香二胺基单体。

The stability of production materials are also important, films and soft and hard on business card printing membership card making ink adhesion can be expected to a certain extent, the high density of ink on filmogen is not particularly good, soft point on monlchamus filmogen passbys.

承印质料的稳定性也很重给,不厚膜的不硬不硬差制卡和会员卡制作油不朱的附着力也会有必定感化,矮密度的不厚膜质料上不朱不是不入格精良,不硬一不面的不厚膜质料上不朱较好。

Pick out the teeth-unit or business card printing and membership card making machine even machine is low on light-weight paper ideal on style, efficiency, quality, equipment manufacturers, the gonne is often expensive.

叼牙式过油机或制卡和会员卡制作机连机上光是低克重纸张最理想的上光方式,效率非常高,上光质量好,但设备昴贵,小型厂家往往做不到。

Making sure the cognition of our traditional political culture, the article probes into the four phases of its naissance and development: moral、Tao、amenity、logos; and discusses the soil of naissance: agriculture economy is long-standing、the society configuration patriarchal clan system 、Confucianism come into national ideology、the masterdom of Realpolitik; and describes its characteristic: the paternalistic political culture、the political culture worship power 、the political culture of lay store by civilian、the self-discipline political culture、the political culture of potential rules、the equalitarian political culture.

基于对我国传统政治文化以上的界定,探讨了我国传统政治文化的形成和发展过程的四个阶段:德、道、义、理;其赖以生存的土壤:小农自然经济的长期延续、宗法族制的社会结构、儒学的国家意识形态化、权力阶层的支配与匡约;以及其外在的表现特征:家长本位的政治文化、权力崇拜的政治文化、重民的政治文化、自律诉求的政治文化、&潜规则&的政治文化、均平取向的政治文化。

For the first time, enantiomers of C2-symmetric 1,1 -spirobiindane-7,7'-diol were resolved with crude menthyl chloroformate by phase-transfer catalysis in the presence of tetrabutylammonium bromide. The reaction was carried out at 0℃-rt. The diastereomers of SPINOL bis-menthyl carbonate can be separated by simple crystallization using alcohol. The hydrolysis of the diastereomers was carried out via aqueous NaOH/EtOH solution.

首次通过相转移催化的方法对螺双二氢茚二酚进行了有效的拆分,用L--氯甲酸薄荷醇酯做拆分剂,以四丁基溴化铵为催化剂在0℃-室温下进行酯化反应生成非对映体衍生物,以乙醇作溶剂,通过重结晶的方法分离衍生物,在水-乙醇混合溶剂条件下,用强碱NaOH或KOH分别水解,制得相应的光学纯度大于99%ee的两个异构体SPINOL,其中总收率:--SPINOL,78.2%;--SPINOL,80.6%。

Medical heavy magnesium carbonate was made from soda (NaCO3) and magnesium chloride (Mgcl2*6H2O) by the metathetical reaction followed by pyrolysis,separation and desiccation.

方法用纯碱和盐卤作为原料,经复分解反应后再热解、分离、干燥制得医用重质碳酸镁。

China's silk screen business card printing and membership card making material, such as screen, photoptic, innovativeink made efficiencymajor, but overseas manufacturer of screen printing material there is a certain gap compared to, such as: high strength, low-high protrudent variability, high ISO noise eye screen non-diazoresin-peripherin-gum; UV ink, ink, etc.

我国丝网制卡和会员卡制作材料如丝网、感光胶、油墨均取得了长足的发展,但与国外先进厂家生产的网印材料相比尚有一定差距,如:高强度、低伸变率的高目丝网;高感光度非重氮型感光胶;UV油墨、水性油墨等。

Finally, this study makes five suggestions:(1) Reinforce the consciousness and the specialistic techniques of the workers.(2) The workers must empower clients.(3) Stress the treatment in consultation.(4)Differentiate the type of clients who are sheltered.(5) Perfect the services and the policy about family treatment. We hope it can help for the treatment pattern for teenage prostitutes in the sheltery organization and prevent the teenage prostitute more successfully.

最后提出五点建议:一、加强工作人员的自我觉察能力与专业技巧;二、工作人员要有增进个案充权的概念与行动;三、著重辅导层面的处遇;四、区分安置的个案类型;五、健全家庭处遇的服务与政策;期供性交易少女安置处遇之参考,冀使儿少性交易防制工作更臻落实。

John Tung Foundation was founded on May 19, 1984 by Mr. John Tung with the support of David Yen. John Tung Foundation's guiding philosophy is to promote the "Respect for Life", and its main objective is the promotion of "Health for All" for the people of Taiwan. In the past 20 years, under the leadership of past President David Yen, the President Tomming Lai, and the EX-CEO.

董氏基金会于1984年5月19日由董之英先生与嚴道博士共同创立,嚴道博士任董事長,以「促进国民身心健康、预防保健重于治療」为宗旨,從事创办或協助有关国民身心健康之卫生事业,致力于菸害防制、食品營食、心理卫生等工作,全方位关怀全民身心健康。

Methods 2-(piperazin-1-yl)-1-(pyrrolidin-1-yl)ethanone (2) was synthesized from pyrrolidine via amidation and substitution, followed by treating with chloroacetyl chloride and triphenylphosphine in a "one pot" manner to give the corresponding phosphonium chloride 3 in a stable and pure form after crystallization from isopropanol.

以四氢吡咯为原料,先与氯乙酰氯成酰胺,再与哌嗪发生取代反应制得中间体[(1-四氢吡咯基)甲基]哌嗪(2);化合物2与氯乙酰氯和三苯基膦反应,经异丙醇重结晶得到稳定的有机鏻盐(3);化合物3与3,4,5-三甲氧基苯甲醛发生Wittig反应,再与马来酸成盐得目标化合物马来酸桂哌齐特(1)。

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推荐网络例句

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

The shamrock is the symbol of Ireland and of St.

三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。