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This paper has studied the synthesis of hot-melt road marking paint using modified rosin -alkyd resin.

还研究了路标涂料基料树脂的合成,其中包括改性松香树脂的合成、醇酸树脂低聚物的合成以及改性松香-醇酸树脂的合成。

On the way, By giving the example as the names of the thing (such as silk silks etc.) with color and the basic colorific phrase associated with it, this text demonstrated a fact that the basic colorific phrases were evolved from the names of the thing that include the color, under the function of the come from the method that is borrowing the thing assumes the color, and expatiated the condition of the basic colorific phrase in Chinese language. Take the synthesize colorific phrase implied compliment or dispraiser as an example, explained the imagism of Chinese thought method how to influence the synthesize the colorific phrase, and do it by taking the food, metals and nature scenery makes the ratio at other Chinese thought method that is take shape to analogy as too. It expatiated the influence that the Han ethnologic culture result in the acceptation of the colorific phrase, pass on analyze the diverse the diverse metaphor meanings of colorific phrase and the opposite phenomenon of acceptation among them of, and the colorific etyma metaphor of "yellow","vermilion","purple","blue","green" and "white", under the premise that distinct the different between themetaphor meanings of colorific phrase and colorific etyma metaphor.

由此本文通过例举有色彩含义的事物专有名称及相应的基本色彩词,分析了基本色彩词是在"借物呈色"思维方式的影响下,由有色彩含义的事物专有名称演变而来的事实,并阐述了汉语基本色彩词的状况;以含有褒扬、贬抑语义的合成色彩词为例说明了汉民族"意向性"思维方式对合成色彩词的影响,以取食物、金属、自然界景物作比的合成色彩词为例说明了汉民族"取象类比"思维方式对合成色彩词的影响;在区分色彩词隐喻意义与色彩语素隐喻意义的基础上,通过分析色彩词的多元隐喻意义及其中的语义对立现象,并分析"黄"、"朱"、"紫"、"青"、"绿"、"白"等色彩语素的隐喻意义,阐述了汉民族文化对色彩词语义的影响。

A new fullerene derivative containing energy-producing groups was prepared, and the reaction conditions affecting the yield were studied by the kroenecker method. The optimal reaction conditions with a 53.5% yield (based on consumed C60) are: 1:3:6 of molar ratio of C60 , o–nitrobenzaldehyde and sarcosine , 55℃ of reaction temperature, 12 h of reaction time, 40mL of toluene solvent.

利用N-甲基甘氨酸、邻-硝基苯甲醛和C60反应,合成分离出了含有硝基的新型富勒烯吡咯烷衍生物,通过正交试验对其工艺条件进行了研究,探讨了反应物剂量比、温度、时间和溶剂体积对产物产率的影响,得到了合成产物的最佳工艺条件:反应物剂量比为1:3:6、温度为55℃、反应时间为12h、溶剂甲苯体积为40mL,此时产物产率可达到53.5%(以消耗的C60计)。

Schizophyllum commune AS 5.391 can produce CDH and the CDH production is induced by cellulosic substrates. Cotton is the best inducer for CDH production.The lignin model compound veratryl alcohlo has no effect on CDH production.

裂褶菌 Schizophyllum commune AS 5.391可以合成纤维二糖脱氢酶,CDH的合成受底物的诱导,在以纤维素为底物的培养基中才能合成该酶,随着纤维素结晶度的增加诱导作用也越强,以棉花的为最好。

Connection of this intermediate with other amino acid residues followed by elaboration of thiazoline ring with Kelly\'s methodology, and macrocyclization at the N-Me-IIe-Pro site afforded apratoxin A and its oxazoline analogue.

然后,我又合成了另外三个Dtena片段类似物,并按照邹斌博士的路线分别再经过六步反应合成了另外三个Apratoxin A的噁唑啉环类似物。

The optimum reaction condition for preparation of CoPcY is as follows: a , using CoCl2 as the exchanged salt ; b , complexation temperature of 180 ; c . complexation catalyst of NH4C1 and A1C13 .2, The unsymmetrically substituted cobalt phthalocyanine complexes were synthesized by statistical condensation of phthalic anhydride and tetrabromophthalic anhydride, and further immobilized in MCM-41 molecular sieves by zeolite synthesis method, as well as characterized by XRD,FT-IR,DRS, 1HNMRetc. The catalytic property of CoPcBrx/MCM-41was tested by cyclohexane oxidation using H2O2 or t-BOOH as oxidant.

2采用本路线制备CoPcY的最佳条件为:a、采用氯化钴作为待交换的金属盐;b、络合温度以180℃为宜;c、起始反应物为苯酐、尿素、氯化铵、氯化铝、CoY时,制备出的CoPcY的催化性能最好; 2、首次采用苯酐和四溴苯酐均相浓缩统计合成法制得了不对称取代的金属钴酞菁络合物,并采用~1HNMR、FTIR、DRS等对其进行了结构表征;此外,采用沸石合成法将其固定于MCM-41中孔分子筛,并对其催化性能进行了考察。

As a nucleotide analog, synthesization of entecavir not only guides synthesizing other analog, but also is propitious to impolder new nucleotide analog.

做为核苷类似物,恩替卡韦的合成不但可以指导其它该类药物的合成工艺,还有利于开发核苷类似物的新型药物。

In the third chapter, eight new complexes of 4, 6-dimethylpyrimidine 2-thioacetic acid with rare earth metals has been synthesized and characterized by means of elemental analysis, molar conductivity, IR,〓 NMR and TG-DTA. The general formula of the complexes is Ln〓(n=4 or 5). In the complexes, the deprotonated ligand coordinated to the rare earth metal ions in chelate bidentate mode. 4 or 5 molecular of crystal water existed in the complexes.

第三章合成了八种4,6-二甲基嘧啶-2-硫代乙酸的稀土配合物,通过元素分析、摩尔电导、红外光谱、核磁共振氢谱和热重-差热对配合物进行了表征,研究结果表明,配合物的组成为Ln〓n=4或5),在配合物中配体羧基脱去质子后采用螯合双齿的方式与稀土离子形成配位键,同时,配合物中含有4或5个结晶水。

All the experimental operations were carried out under the conditions of water-free and oxygen-free in nitrogen stream. The synthesis and characterization of novel enantiopure {[2Na]3[Sm3]}(1) and {[2Na]3[Gd3]}(2) were described.

在无水无氧条件下,以氯化钐、氯化钆和R-联萘酚为原料室温合成了手性联萘酚稀土配合物{[2Na]3[Sm3]}(1)和{[2Na]3[Gd3]}(2),对所合成的配合物进行了荧光性能研究。

Biloba was mainly synthesized in ER and plastids. More or less, mitochondria, Golgi body and ground cytoplasm also took part in the synthesis and transportation of secretory products.

银杏分泌腔内分泌物的合成主要在分泌细胞的质体和内质网中进行,但线粒体、高尔基体和细胞质也似乎参与分泌物的合成和转输。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。