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Thyroid gland is located in cervical in front, Adam's apple lower part, tracheal two side, it is the endocrine organ with main human body, assume human body to absorb with memory iodine, synthesize and secrete the function of thyroid element, include estrogen and progestational hormone inside female hormone, participated in the happening of thyroid cancer, development probably, level of the estrogen inside body is higher, make thyroid cancer more possibly happen, 20-40 year old the female is in life exuberant period, level of the hormone inside body is lifetime in most

甲状腺位于颈部前面、喉结下方、气管两侧，是人体重要的内分泌器官，承担人体摄取和存储碘，合成和分泌甲状腺素的功能，包括雌激素和孕激素在内的女性激素，很可能参和了甲状腺癌的发生、发展，体内雌激素水平越高，越可能促使甲状腺癌发生，20-40岁女性处于生命旺盛期，体内激素水平是一生中最

Monomer which is used to synthesize polypropylene ester, mechanism of polymerization, a formula and technique parameters of synthesizing propenoic acid ester polymer are studied. An emulsifying stabilizer with good properties is synthesized.

本文研究了合成聚丙烯酸酯类物质的单体、聚合反应的机理、合成丙烯酸酯类聚合物的配方以及工艺参数，合成了具有良好性能的乳化稳定剂。

It is the first example to synthesize Z isomers of propenoic acids and their derivatives highly stereoselectively by the nucleophilic addition of a carbon- carbon triple bonds.

这种利用亲核试剂进攻碳-碳叁键以高立体选择性地合成丙烯酸及其衍生物的方法尚无前例。

Aim To design and synthesize a serial of 1, 5-diaryl pyrazole derivatives, and to study their COX-2 inhibition activities.

摘要目的设计合成一系列1，5-二芳基吡唑衍生物，并考察其对环氧合酶2的抑制活性。

Aim To design and synthesize a serial of 1,5-diaryl pyrazole derivatives and to study their COX-2 inhibitory activities .

所有目标化合物均具有一定的环氧合酶2抑制活性，其中化合物1i的抑制率为31。

So it has become all-important to design and synthesize novel pyrazolone derivatives with excellent photochromic properties in the solid state and study the photochromic properties and photochromic mechanism.

因此设计并合成能够在固态发生光致变色的化合物，对其光化学性质、结构与性能之间关系的研究以及光致变色机理的探讨有着十分重要的意义。

In this paper, 4-4-(trifluoromethoxy benzoyl cyclohexyl-3, 5-diaminobenzoate with a large branch chain, pyromellitic dianhydride and 4-(4-aminobenzyl) benzenamine were used to synthesize polyimides. The effect of monomer charge order on pretilt angle was investigated for the first time when PIs were used as LC alignment layer, and the effect of diamine mole ratio on pretilt angle was studied. The thermal stability of the pretilt angle was discussed.

文章用均苯四酸二酐、4，4'-二胺基二苯甲烷和具有较大支链的4-（4-苯甲酰基）环己基－3，5-二胺基苯甲酸酯等单体制备聚酰亚胺，首次研究了单体加料顺序对液晶预倾角的影响，同时也研究了二胺配比对液晶预倾角的影响问题，并探讨了预倾角的热稳定性等问题。

In this paper,pyromellitic dianhydride,1,2,3,4-cyclobutanetetracarboxylic dianhydride,4[(4-aminophenyl)-bis(4-methoxyphenyl)methyl]benzeneamine,4-hexyloxy-biphenyl-3′,5′-diaminobenzoate,and additive ADD-34 were used to synthesize four PIs.

文章用均苯四甲酸二酐，4[(4-氨基苯基)-二(4-甲氧基苯基)甲基]苯胺，1，2，3，4-环丁烷四羧酸二酐，4-己烷氧基联苯酚-3′，5′-二胺基苯甲酸酯和不同含量的添加剂制备了聚酰亚胺液晶取向剂。

Granular glands in the frog skins of Ranidae of amphibians, a widely distributed group with over 650 species, synthesize and secrete a remarkably diverse array of peptides with the broad-spectrum antibacterial, antifungal and other biologic activities to protect the organism against a wide range of pathogens, which are believed to have arisen as a result of multiple gene duplication events.

蛙科是全球分布最广泛的两栖动物，种类超过650种。为开拓和适应广阔的栖息地及多样的生态环境，其皮肤腺体中进化产生了结构复杂、种类繁多的抗菌肽。它们除具有广谱抗菌活性外，还有抗肿瘤、抗病毒等生物学活性。

Through espriments, we find that the best technical condition to synthesize MA-SAS is: n:n=1:1, inititator takes 10～15% of monomor total quality, system pH=4.0～4.5, rection temperature 75～80℃, reaction time 4～5h.

由实验发现合成阻垢剂 MA-SAS 的最佳工艺条件为：n：n=1：1，引发剂用量占单体总质量浓度为 10～15%，体系 pH=4.0～4.5，反应温度 75～80℃，反应时间 4～5h。

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