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While the effect of IGF on the ovaries likely involves fraternal, or dizygotic, twins, they were not distinguished from identical, or monozygotic, pregnancies in this study.

在本研究中，虽然IGF作用于卵巢可以引起异卵或双合子双胞胎妊娠，但是这种妊娠不能和同卵或单合子双胞胎妊娠相区别。

For example ,the non－ polar materials like hydrocarbons are heavy and draggy as compared to polar emollients,isoparaffins are light and smooth,the polar esters were significantly lighter and smoother,the branched chain and unsaturated esters were exceptionally light and smooth,in the case of straight chain esters,as the emollients become smoother and lighter ,the oiliness increases,in the case of unsaturated and branched chain esters,the emollient becomes lighter ,as well as less oily,when the alcohol chain length is decreased.

研究结果表明，物理化学特性明显影响润肤剂的轻柔感和油亮感，例如类似碳氢化合物的非极性物质相对于极性物质要粘稠些，异构烷烃则轻柔和光滑，带分支链的不饱和酯特别具有轻柔感和光滑感，带分支的不饱和酯相对直链饱和酯在油亮感方面有着特别的不同，直链酯随着产品光滑感和轻柔感的增加，油亮感也增加，对于带分支的不饱和酯而言，产品变得更轻柔，油亮感下降。

Other methyl nucleophiles includingMeMgBr, MeCeCl2, MeTiCl3, Me3Al, Me3ZnMgCl, MeMnClwere tried, but in all these cases no detectable amount of exo-C8-methylated product was obtained. Although protecting C3-carbonyl as 1,3-dioxolanes could be achieved, the serious enolization of C8-carbonyl was still problematic. Converting C9-furan ring to α,β-butenolide did depress the enolization, but desired C8-methylation was completely replaced by migration of the double bond of the butenolide.

在本论文的早期阶段，主要着眼于解决二环[3.2.1]-C8-羰基加成甲基所遇到的C9-呋喃环差向异构化和C3与C8两个羰基之间化学选择性的问题：通过引入不同金属降低甲基试剂的碱性并没有取得甲基化的成功；通过不同的方法将C3-羰基掩蔽，但是C8-羰基的烯醇化依然无法抑制；虽然通过将呋喃环转化为α，β-不饱和-γ-丁内酯可以抑制烯醇化，但内酯环上的双键迁移又成了新的竞争反应。

Fludarabine may be used as a conditioning regimen for allogeneic hematopoietic stem cell transplantation with a lower extramedullary toxicity and almost the same efficacy.

氟达拉滨应用于移植预处理方案中，可降低异基因造血干细胞移植过程中髓外毒性，但对疗效并无明显影响。

Isoflavonoids are a kind of substances in leguminous plants which have biological activity and faintish estrogenic activity. Daidzein is one of the most classes in these substances.

异黄酮类化合物是一种存在于豆科植物中的生物活性物质，具有较弱的雌激素样活性，而大豆黄酮是此类化合物中存在较广、近年来研究也较多的一种。

An expression vector was constructed with a safe marker gene, 6-phosphomannose isomerase, and an insect-resistant gene, Galanthus nivalis agglutinin, was used in rice genetic transformation in the present study.

采用农杆菌介导法将来源于大肠杆菌的6-磷酸甘露糖异构酶安全选择标记基因和雪花莲凝集素抗虫基因构建于同一表达载体上进行遗传转化，获得带有安全标记基因的抗褐飞虱转基因植株。

Judged from the studies of other omnivorous fish species (Cui et al., unpublished), the total metabolism at the maximum feeding level (R〓+R〓, KJ/d) determined in the short term respiration trials for gibel carp was equal to half of the total metabolism calculated by the difference through long term growth trial.

由其它杂食性鱼类的研究结果推测，通过短期呼吸实验测定的最大摄食率条件下异育银鲫总代谢仅相当于生长实验中通过差减法计算的总代谢的1/2。

The CCAAT binding factor of brewer's yeast Saccharomyces cerevisiae has been shown previously to be a heteromeric complex containing HAP2, HAP3, HAP4 and HAP5 subunits. This factor can bind specifically to CCAAT-containing upstream sites within the promoters of numerous yeast genes, and then activate the transcription.

HAP转录因子(HAP2/HAP3/HAP4/HAP5)是存在于酿酒酵母中的一种异源多聚蛋白，它能与酵母中许多启动子上游的CCAAT盒专一性结合，以增强基因的转录。

The CCAAT binding factor of brewers yeast Saccharomyces cerevisiae has been shown previously to be a heteromeric complex containing HAP2, HAP3, HAP4 and HAP5 subunits. This factor can bind specifically to CCAAT-containing upstream sites within the promoters of numerous yeast genes, and then activate the transcription.

HAP转录因子(HAP2/HAP3/HAP4/HAP5)是存在于酿酒酵母中的一种异源多聚蛋白，它能与酵母中许多启动子上游的CCAAT盒专一性结合，以增强基因的转录。

It not only business card printing and membership card making agile information, and applies to all kinds of different substrate and heteromorphous surfacesf business card printing and membership card production, it made cards and membership cards produced by the label also has a certain amount of anti-counterfeiting.

它不仅具有制卡和会员卡制作信息变化灵活，而且适用于不同承印物及各种异形表面的制卡和会员卡制作，它所制卡和会员卡制作的标签还具有一定的防伪效果。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。