芳醇類 的英文怎麼說
中文拼音 [fāngchúnlèi]
芳醇類
英文
aromatic alcohols-
Fifty - one and nineteen compounds were detected respectively from the volatile extracts of the fossils from miocene leaves of metasequoia glyptostroboides and early cretaceous seed cone of pityostrobus spp. by gas chromatography - mass spectrometry ( gc - ms ) analysis
摘要採用氣相色譜質譜聯用分析技術從中新世水杉葉片和白堊紀松型球果兩種裸子植物化石中分別鑒定了51個和19個揮發性成分,類型涉及烷烴、烷烯、烷醇、長鏈脂肪酸及其酯、鄰苯二甲酸酯、菇類和芳香族化合物。That shows there are some difference in the steroid regulation between the anuras and the urodeles. among three of the steroid, one can convert to the other, and some enzyme activity is concerned with the conversion
三種類固醇激素存在相互轉化的關系,睪酮可能在雌二醇和孕酮的轉化中起著底物的作用,這種轉化與某種芳香化酶的活性有關。Organic bentonite - yh - 938 serial introduction yh - 938 organic bentonite apply to middle polar solvent system, it has very good thickening property in xylene, alcohols, ketone, or their composition solvent. in solvent which contain alcohols or esters, it enjoy the leading place in thickening and viscidity in china
Yh 938有機膨潤土適用於中極性溶劑體系,二甲苯,重芳烴,醋酸丁酯,酮類,醇類和他們的混合溶劑中具有良好的增稠流變性能,特別是在含醇或含醇溶劑體系中增稠粘度屬國內領先。The neutral bio - oi1 can be separated into three fractions : the fraction washed down by cyclohexane ( c1 ) mainly contains aromatics with up to four rings ; the fraction washed down by benzene ( c2 ) mainly contains alkyl - substituted aromatic hydrocarbons and polyphenols ; and the fraction washed down by methanol ( c3 ) mainly contains ester polar components
中性油層析分離為3個餾分:環己烷洗脫餾分( c1 )主要為四環以下純縮合化合物;苯洗脫餾分( c2 )主要由單環烷基芳烴和多酚組成;甲醇洗脫餾分( c3 )主要是酯類極性化合物。Besides fitting the own growth of gonad, the main function of the increase of mitochondria is to provide energy to the synthesis of estrogens, the main function of smooth endoplasmic reticulum is for the synthesis of the steroid hormone
在卵巢分化中線粒體和光面內質網增多,除了適應性腺本身的發育生長外,線粒體的增多主要是為芳香化酶把雄性激素轉化為雌激素的作用提供能量,光面內質網的增多是有利於類固醇激素的合成。分享友人