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The vast majority of follicles undergo a degenerative process in reproductive life. Apoptotic cell death is the fundamental mechanism in response to follicular atresia. Moreover, the apoptosis of granulose cells is implicated in directly mediating atretic process. Multiple studies have confirmed that the apoptotic process of GCs is not only related to apoptotic genes, but triggered by cytokines related to reproduction and Caspases family.

中文题名几种生殖激素对体外培养的牦牛卵泡颗粒细胞凋亡的影响副题名外文题名 Effects of several reproductive hormones on apoptosis of ovarian granulose cells of yaks in vitro 论文作者杨世华导师余四九教授学科专业临床兽医学研究领域\研究方向学位级别博士学位授予单位甘肃农业大学学位授予日期2002 论文页码总数108页关键词牛类固醇激素分泌卵泡颗粒细胞培养牦牛生殖激素馆藏号BSLW /2003 /S823 /1 卵泡闭锁是哺乳动物卵巢中极为普遍的自然现象。

In spring 2003,Honda launched the Element,a boxy sport utility vehicle that is manufactured in the United States.

In品种，本田推出了元素，四四方方的运动型多用途车是在美国制造的。

After 2～4 weeks, the amounts of the osteoblast and chondroblast in medullary callus in SMC group were more than group of CP, IN.

生物力学时间断面研究结合体外DEXA测量结果表明：术后2周SMC组和IN组刚度系数、面积比率、扭力刚度、最大扭力无显著性差异，CP组略差。

Abstract］ Objective To study the influence of different residual cornea bed of laser in situ keratomileusis on the collagenic construction of cornea through investigating the expression of matrix metalloproteinases and tissue inhibitors of metalloproteinases in cornea cells for different residual stroma bed after LASIK for six months.

目的 研究不同切削厚度的准分子激光原位角膜磨镶术（laser in situ keratomileusis，LASIK）后兔眼基质金属蛋白酶（matrix metalloproteinases，MMPs）及基质金属蛋白酶组织抑制剂(tissue inhibitors of metalloproteinases，TIMPs)的表达，以探讨LASIK手术的不同切削深度对角膜的胶原结构的影响。

The dashes-in-a-well active region consists of 5 stacks of InAs quantum dashes embedded in compressively strained Al0.20Ga0.16In0.64As quantum wells separated by 30-nm undoped tensile-strained Al0.28Ga0.22In0.50As spacers on both sides of the DWELL.

Dashes-in-a-well 作用区域结构包括了五层受压应变的 AlGaInAs 量子井包覆的砷化铟量子段，外围有30奈米受张力应变的 AlGaInAs 层。

In order to advance the viscosity of acidizing fluid and decrease the reaction speed of acidizing fluid in oil formation,adopt the method of opposite phase emulsim polymerization synthetised an acidizing fluid densifier,it called TP-1,its molecular weight is(800～1100)×10.laboratory findings discovers the acid dissolving time of TP-1 is smaller than 10 min,its dissolv...

性能评价试验结果显示，稠化剂TP-1的酸溶时间小于10 m in，具有很好的溶解能力；TP-1对酸液的增黏作用明显，(4%TP-1+20%HC l)酸溶液90℃下表观黏度达到46 mPa.s，120℃下表观黏度27 mPa.s。同时TP-1表现出较强的耐剪切能力和良好的配制稳定性，有利于酸化措施效果的提高。

In order to understand the drug resistance mechanism of HIV-1 integrase mutually existed for multiple drug-resistant strains to the most potent IN inhibitors diketo acids, three S-1360-resistant HIV-1 strains were selected and molecular docking and molecular dynamics simulations were performed to obtain the inhibitor binding modes.

为了解DKAs引起的多种耐药株共有的耐药性机理，选择3种S-1360引起的IN耐药突变体，用分子对接和分子动力学模拟，研究了野生型和突变型IN与S-1360的结合模式，基于该结合模式探讨了3种耐药突变体所共有的耐药性机理。

The barley chromosome in wheat was identified by genomic in situ hybridization in which biotin labelled total genomic DNA of barley betzes was used as probe and the unlabelled total DNA of common wheat Chinese Spring as blocking DNA. A series of wheat materials were tested as follows; two disomic alien substitution and monosomic alien addition lines, 2n=43; two monosomic alien substitution lines.

用生物素(Biotin-16-dUTP)标记的大麦Betzes基因组DNA作探针，以普通小麦中国春总DNA作封阻进行基因组原位杂交(Genome in situ hybridiz ation，简称GISH)，从13株小麦-大麦杂交后代中鉴定出2个含有3条大麦B etzes2H染色体的材料(2n=43)；2个2H单体异代换系(2n=42)；7个2H二体异代换系(2n=42)。

The novel restorer line Nsa restorer-1 and its progenies were analysed by genomic in situ hybridization combined with double-colour fluorescence in situ hybridization technologies, the results showed that Nsa restorer-1 was Brassica napus-Xinjiang wild Sinapis arvensis disomic alien addition line,consisting of the whole genome of Brassica napus and a homologous chromosome pair of Xinjiang wild Sinapis arvensis.

用基因组原位杂交(genomic in situ hybridization， GISH)结合双色荧光原位杂交(double-colour fluorescence in situ hybridization， dc-FISH)技术，对甘蓝型油菜新型恢复系Nsa恢1及其后代进行了研究，结果表明，Nsa恢1为甘蓝型油菜-新疆野生油菜二体异附加系，包含了甘蓝型油菜全基因组和新疆野生油菜1对染色体，这1对新疆野生油菜染色体为同源染色体。

Generally, most of the follicles undergo atresia during their development in mammals, and only a few grow to maturation and ovulation. For many years, the mechanisms of follicular atresia have been one of the foci of study. Recently, with the development in studies on cell apoptosis, it has been proved that follicular atresia is a process of cell apoptosis. However, the endocrinological and molecular evens underlying follicular development and atresia and granulosa cell apoptosis in the goat has not been studied.

中文题名山羊卵泡发育、闭锁及其调控机理的研究副题名外文题名 Studies on follicular development and atresia and their regulatory mechanism in goat 论文作者于元松导师谭景和教授学科专业基础兽医学研究领域\研究方向动物胚胎学与胚胎生物工程学位级别博士学位授予单位东北农业大学学位授予日期2002 论文页码总数71页关键词山羊卵泡发育馆藏号BSLW /2003 /S827 /3 哺乳动物卵泡在发育过程中绝大多数闭锁退化，只有少数卵泡发育成熟至排卵。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。