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Ti-based cermet is a new kind of tool material and was developed in 1970's.

Ti基金属陶瓷是二十世纪七十年代出现的一种新型刀具材料。

It's natural that as early as 1940s, the American scholar Maxwell Geismar tagged misogynist on Faulkner. This kind of views developed with the best-known exponent Leslie Fiedler.

无怪乎早在二十世纪四十年代,美国学者迈克斯尔·基兹玛就毫不犹豫地将福克纳贴上了厌女主义者的标签。

After an off-day on Thursday, the Yankees will try to refocus their attention toward an upcoming schedule that including the top four American League teams in 17 of the next 20 games.

在星期四的休息日后,洋基将重聚他们的专注力去面对接下来的赛程,这二十场中包括了与美联前四强的十七场。

Its main products include:ZOLEDRONIC ACID, ADAPALENE, SIMDAX, VORICONAZOLE, J ACID UREA, J ACID UREA SODIUM SALT, 1,7-CLEVE'S ACID, 1,6-CLEVE'S ACID, 1,5- DINAPHTHYL ISOCYANATE, 5- INROINDOLE,----2-METHOXYIMINO-2-(FURYL-2-YL)ACETIC ACID AMMONIUM SALTand etc.

部分产品远销美国、德国、英国、印度、日本等十几个国家和地区,主要产品有:唑来磷酸、阿达帕林、左西孟旦、伏立康唑、猩红酸、猩红酸钠盐、双介酸、1,7克力夫酸1,6克力夫酸、1,5-萘二异氰酸酯、5-硝基吲哚、甲氧亚胺基呋喃乙酸铵等。

The synthesis of divinyl liquid crystalline monomer 4-undecenyloyloxybenzoyl-4'-allyloxybenzoyl-p-benzenediol bisate and network polymers was described. The chemical structures of the synthesized monomer and network polymers were confirmed by FT-IR spectrum.

以双烯类液晶单体4-十一烯酰氧基苯甲酸-4'-烯丙氧基苯甲酸对苯二酚双酯为交联剂,通过与聚矽氧烷接枝反应,合成了系列网络聚合物P1~P5。

Two compounds have been isolated from hard coral Porites Compressa Dana,their structures were determined by IR,MS, HNMR, 13CNMR analysis.The two compounds are: batyl alcohol,(2) N-[l--2-hydroxyl--3,7-heptadecadienal]- h exadecanamide.

从采自西沙群岛的扁缩滨珊瑚中的石油醚部分分离出两个化合物,经IR、MS、~1HNMR、~(13)CNMR等波谱方法鉴定,其结构分别为(1)鲨肝醇,(2)N-1-羟基甲基-2-羟基--3,7-十七碳二烯基十六酸酰胺。

The cis-decalin 79 was obtained from 2-methoxy-4-methylphenol (77) via a sequence of reactions involving intermolecular Diels-Alder reaction of masked o-benzoquinone derived from 77 and ethyl vinyl ketone, silyl enol ether formation and Cope rearrangement.

第一部份:以2-甲氧基-4-甲基酚(77)为起始物,经由二乙醯基亚碘苯氧化、分子间Diels-Alder反应、烯醇矽醚的形成及Cope重排反应得到具有十氢萘骨架化合物79。

A novel polymer of Poly(diglycidyl maleate-co-stearyl methacrylate) was synthesized and its structure was characterized by ~1H NMR. Its self-assembly behavior was studied in different solvents. It was found that vesicles and tubule-liked aggregates can be obtained through self-assembly of P(DGMA-co-SMA)/THF/EtOH system. And spheral aggregates were obtained in P(DGMA-co-SMA)/THF/H_2O system while the spheral aggregates were converted into rod-liked aggregates and line-liked aggregates after aged for different time.

合成了带含环氧基侧链和十八烷基侧链的聚(马来酸二缩水甘油酯-co-甲基丙烯酸十八酯),用~1H NMR对所得的共聚物进行了表征;研究了其在选择性溶剂中的自组装行为,发现P(DGMA-co-SMA)/THF/EtOH体系可以通过自组装形成囊泡形自组装体和支化的管状自组装体,P(DGMA-co-SMA)/THF/H_2O体系最初自组装形成球形自组装体,随着陈化时间的延长,球形自组装体逐渐融合成长条形自组装体和线形自组装体;探讨了自组装过程的机理,建立了可能的自组装过程模型。

In Chapter 2, the study on PET of the donor/acceptor pair via the rigid bridge, heptacyclo [6.6.0.02,6.03,13.04,11.05,9.010,14] tetradecane, is presented. By using the GMH method, the electronic coupling matrix elements between ground and excited states are predicted.

在第二章,我们研究了对七环十四烷连接儿茶酚和二氰基乙烯构建的分子内光诱导电子转移体系;考察了吸收光谱随溶剂极性变化的影响,预测了该体系的电子转移机理,并利用广义的Mulliken-Hush公式,计算了基态和各激发态之间的电子转移耦合矩阵元。

The effect of cruciform structure on the two photon absorption action cross-section of fluorescence chromophore was reported. 1,4-Di(9'-ethyl-carbazolyl)-3'-vinylbenzene (R1) is a classic two photon absorption chromophore with D-π-D structure.

报道了十字形结构对荧光生色团的双光子吸收作用横截面积的影响。1,4-二(9'-乙基咔唑基)-3'-乙烯基苯(R1)是经典的具有D-π-D结构的TPA生色团。

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I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。