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The aglycon moiety was readily obtained from . R-glycidol in 0 steps in an overall yield of .8% via the preparation of the key intermediate S-epoxyheptane.
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以R-缩水甘油和，9-壬二醇为原料，经关键中间体S-环氧庚烷，共0步反应，以总收率.8％制得手性S-药喇叭酸甲酯。 |
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The bioassay under laboratory conditions with Potter Method indicated that the values of LC0(8h) of .8% Avermectin EC and 8000IU/mg Bt WP against Plutella xylostella L. (nd instar) were 0. mg/L and . IU/mg, respectively.
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采用Potter喷雾法测定了.8%阿维菌素乳油和8000IU/mg苏云金杆菌可湿性粉剂对小菜蛾龄幼虫的毒力,结果表明8h的致死中浓(LC_(0))分别为0.mg/L和. IU/mg。 |
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The edges of carpel are closed by papilla tissue.
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商陆属植物的心皮的愈合是通过乳突组织来完成的。 |
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The rugger-jersey spine as a radiographic feature is more frequently in metabolic and endocrine bone diseases.
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夹心椎是代谢性及内分泌性骨病较常见的影像学表现。 |
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The work stress source of knowledge worker includes six factors: word relationship, the unsure challenge in work, the lack of self diathesis, internal work character, occupation career development, organization culture.
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知识型员工的工作压力来源包含：工作关系、工作中的不确定性、自身素质、内在的工作特征、职业生涯发展、组织文化六个因素。 |
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Determination of the content of yff-sitosterol and stigmasterol in phytosterols by UV -vis spectral methodThe UV-vis spectra of the complex compound of -sitosterol or stigmasterol with Deniges reagent was measured.
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植物甾醇及其酯化衍生物的紫外可见分光光度法分析测定 |
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In the bovine superovulation procedure of Holstein by using PG, P and FSH: The number of corpus luteum (CL) was not significant different by different time removing the CIDR-B at the 7th and 8th FSH administrition(.±0. vs .0±. , P> 0.0).
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在荷斯坦奶牛应用“PG+P_+FSH”的超排方案中，不同去栓时间(分别在第7次和第8次注射FSH时去栓)卵巢平均黄体数(.±0.个和.0±. 个)差异不显著(P＞0.0)； |
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The content of sugar in Stigma maydis was .%, crude fat .7%, ash .%.
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玉米须中总糖含量为.％、粗脂肪含量为 .7％、灰分含量为.％。 |
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The functional response of the first, second and third instar larvae of E. balteatus preying on Macrosiphum avenae (F.)
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黑带食蚜蝇各龄幼虫对麦长管蚜Macrosiphum avenae(F.) |
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The morphological development of otolith.
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耳石的形态发育。 |
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The walnut catkins from germination to blooming about 0~ days, but it is difference between variety.
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核桃雄花自雄花芽萌动至雄花完全开放,花期一般为～0天,不同品种间有所差异。 |
