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A method is suggested to determine the absolute configuration of ent kaurene diterpenoids by analysing the circular dichroism spectral data of hydroxy ent kaurenoids.
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通过系列 羟基对映贝壳杉烯二萜的园二色散光谱的数据分析，提出一种确定对映贝壳杉烯二萜绝对构型的方法。 |
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A - year followup exam revealed no relapse of the ailment.
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随访～ 年未见复发。 |
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A -year boy suffered from dark-brown maculae of the skin for approximately 0 years.
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本文报道例岁男孩全身皮肤黑褐色斑0年,发现心脏杂音年,近年反复腹泻,发育较同龄儿小。 |
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A .8-to-8.-GHz frequency tripler, employing packaged planardiffused GaAs varactor diodes and an individually tunable idler circuit, is fabricated.
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设计制作了一个从.8GHz到8.GHz的封装型变容管三倍频器,这是目前报导的用封装型变容管所达到的最高频率。 |
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A 0kV TETRODE ELECTRON GUN WITH A FIELD EMISSION SOURCE
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一种工作在 0kV的四极场发射电子枪 |
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A -HIGH ROLLING MILL FOR ULTRA THIN METAL STRIPS (0.00mm)
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轧制0.00毫米金属超薄带的 辊轧机 |
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A 0 year old man presented with florid mass at glans penis for years and ulceration for year.
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患者男,0岁,阴茎龟头菜花样肿块 年,破溃年。 |
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A bp cDNA screened from a human tonsil lambda gtll cDNA library by a mixture of McAb C and C-G
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用单抗C和C-G筛选的 bp cDNA的核苷酸序列分析 |
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A ANANSIS OF AND ECOLOGICAI CHARACTERISTICS OF KARST SCRUBS IN GUIZHOU PROVINCE
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贵州喀斯特灌丛区系与生态特征分析 |
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A Analysis contact stress and Temperature stress of Gaping-Dam
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有缝坝的接触应力与温度应力分析 |
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A Analysis of Behalf on Production-possibility Frontier of Information in Public Opinion
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舆论信息的利益生产可能性边界分析 |
