结论:孕烯醇酮唾液酸苷有记忆增强作用。
Conclusion: Pregnenolone sialic glycoside has memory enhancing effects.
结论:孕酮和孕烯醇酮硫酸盐可改善记忆损伤。
CONCLUSION: Progesterone and pregnenolone sulfate can ameliorate the memory deficit.
硫化孕烯醇酮是脑内含量最为丰富一种神经甾体。
Pregnenolone sulfate (PREGS) is one of the most abundantly produced neurosteroids in the brain.
目的:研究孕烯醇酮唾液酸苷对小鼠记忆障碍的改善作用。
Objective: To investigate the antiamnesic effect of pregnenolone sialic glycoside on memory impairment in mice.
目的探讨神经甾体硫化孕烯醇酮对老年大鼠学习和记忆能力的影响。
Objective To investigate the effects of pregnenolone sulfate on learning and memory in aged rats.
大量的实验表明硫化孕烯醇酮对认知功能具有明显影响,但机制还不清楚。
Plentiful of experiments suggest that pregnenolone sulfate has significant effect on cognition, but the mechanism is not clear now.
血浆ANF含量与胆固醇呈正相关,可能与ANF能抑制内源性胆固醇转变为孕烯醇酮有关。
The reason for positive correlation between the plasma ANF contents and serum cholesterol is probably that ANF can inhibit the change from endogenous cholesterol to pregnenolone.
建立了高效液相色谱法测定妊娠双烯醇酮醋酸酯合成工艺中裂解和氧化、水解两部分产品的分析方法。
A method of HPLC has been established for quantitative determination of concentrations of acetolysis and hydrolysis solutions in the synthesis technology of 16 _ dehydropregnenolone acetate.
对甲基异丙烯基酮的合成工艺进行了改进,比较了在不同温度下,对醇酮中间体和脱水反应收率的影响。
Improvement of synthesis process of methyl isopropenyl ketone was introduced, and the yields in different temperature was compared.
对转酮醇酶在工业上的应用,例如对映体化学物质进行了审查。
The application of transketolase for industrial purposes, such as enantiotopic chemicals were reviewed.
该复杂反应的特征在于酮-烯醇互变异构平衡和酯交换反应。
This complex reaction is characterized by a keto-enol tautomerism equilibrium and ester exchange reaction.
收集器里配有不同成分的纤维,每种纤维所含的活性分子都各异,比如有机酸、醇、胺、甲酮等。
The collectors contained fibres of different compositions, each of which absorbed a unique range of volatile molecules such as organic acids, alcohols, amines and ketones.
此九项研究均为运用米非司酮和米索前列醇诱导药物流产的前瞻性群组研究。
All were prospective cohort studies that used mifepristone and misoprostol to induce abortion.
醛糖或酮糖被还原后变产生糖醇,确实的叫法为“多羟糖醇”(alditols),HOCH 2 -(CHOH)n-CH 2 OH。
Reduction of aldoses or ketoses yield sugar alcohols ,properly called ‘alditols,” HOCH2-(CHOH)n-CH2OH.
结论:米非司酮配伍米索前列醇可成为一种新型的安全、有效的晚期妊娠引产方法。
Conclusion: Mifepristone in combination with misoprostol may be a new type of safe and efficient method for induction of Labour in late pregnancy.
方法对45例稽留流产患者应用米非司酮配伍米索前列醇治疗。
Methods The 45 cases of missed abortion were treated with association of mifepristone with misoprostol.
用硼氢化钠对呫吨酮还原得到呫吨醇。
对于腐蚀性最弱的化学物质、湿的或干的有机酸、醇以及酮等流体介质,一般来说纯树脂橡胶表现还是好的。
Pure Gum Rubber is generally good for most weak chemicals, wet or dry organic acids, alcohols, and ketones.
醇,醛与酮和羧酸之间的氧化还原关系。
REDOX Relationships amongst Alcohols, Aldehydes and Ketones and Carboxylic acids.
用氯化铵三氧化铬可以较高的产率将仲醇选择性氧化生成相应的酮。
The selective oxidations of secondary alcohols to corresponding ketones by ammonium chlorochromate were described in this paper.
与水、活性氢、醇、酚、胺、酰胺、羧酸、烯烃、醛、酮、酯加成得到的新化合物,可作脱水剂和氧化剂使用。
Many new compounds can be obtained by addition with water, hydrogen, alcohols, phenols, amines, amides, carboxylic acids, olefins, aldehydes, ketones, esters, etc.
此螯合反应是由酮—烯醇互变异构平衡过程和酯交换反应组成。
This complex reaction is characterized by a keto enol tautomerism equilibrium and ester exchange reaction.
其中木栓酮、西米杜鹃醇为首次从油中分离报道。
Friedelin and Simiarenol were isolated from oil for the first time.
而由混合酸酐或双烯酮代替酰氯,中间体也可能是烯酮或烯醇5。
Similarly, using diketene to replace mixed anhydride or acid chloride, intermediate enol 5 May be obtained.
方法:治疗组与对照组分别口服中药归肾丸加味与戊酸雌二醇、黄体酮。
Method: Treatment group and comparing group were treated with Guishen pill and estradiol valerate, progesterone respectively.
酮及烯醇互变是互变作用最普通的现象,它们都是真实的化学实体。
Keto-enol tautomerism is the most common tautomery phenomenon. Keto -enol themselves are the real chemical substance.
目的:探讨安全使用米非司酮配伍米索前列醇终止早孕的方法。
Objective: to explore the methods of safely using mifepristone together with misoprostol to end the early pregnancy.
目的:探讨安全使用米非司酮配伍米索前列醇终止早孕的方法。
Objective: to explore the methods of safely using mifepristone together with misoprostol to end the early pregnancy.
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