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An improved synthetic experiment of amino nitrophenol from , dinitro chlorobenzene was described. By use of this method, the reaction is easily controlled and the yield is increased.
中文意思:
以 ,二硝基氯苯为原料制备氨基硝基苯酚,改进了制备方法,使反应更易于控制,提高了收率.


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An estimate of the influence on the continental seismicity in China by Sumatra M_S 8.9 macroquake in Indonisia 印度尼西亚苏门答腊M_S8.9级大震对中国大陆地震活动影响估计
An experiment designed with monofactor was conducted in 989 ~990. All 8 Shaver star cross 88 pullets at the age of days were divided into groups randomly. 采用单因子分组设计,将8只日龄星杂88小母鸡随机分成组,每只鸡为笼,每组笼。
An experiment of channels sequency division mult plex (SDM) system has bsen completed by the RF earner channel for the transmission of telemetry signals. 本文介绍一个在一般遥测用射频信道上实现路沃尔什复用(序率分割复用)系统(SDM)的实验。
An experimental study on temperature increasing mechanism of satellitic thermo infrared An experimental study on temperature increasing mechanism of satellitic thermo-infrared
An ideal jointed offence indicates a type of offence that one crime may offend more than one offence for its endangered act in part or as a whole against other objects. 想象竞合犯是指实施一个犯罪,其危害行为之全部或一部又基于另一罪过侵犯另一客体,而形成的一个危害行为触犯数个罪名的犯罪形态。
An improved synthetic experiment of amino nitrophenol from , dinitro chlorobenzene was described. By use of this method, the reaction is easily controlled and the yield is increased. 以 ,二硝基氯苯为原料制备氨基硝基苯酚,改进了制备方法,使反应更易于控制,提高了收率.
An in vitro study was conducted to examine the effects of fructooligosaccharide (FOS) at levels of 0.%, .0% and .% on conversion of L-tryptophan to skatole and indole by a mixed bacterial population from the large intestines of pigs. 本试验研究了果寡糖对猪粪便细菌群作用下L -色氨酸代谢的影响。 将 0 % (W/V)粪水厌氧分装于无菌瓶中 ,分成 组 :组 (对照 )添加 0 μmol/LL -色氨酸 ;
An in vitro study was conducted to investigate the formation of indole and methylindole(skatole) by a mixed bacterial populations from the large intestine of pigs and to study the effects of pH on the relative production of indole and skatole. 本试验研究了猪粪便菌群作用下粪臭素 ( 甲基吲哚 )和吲哚的形成途径以及pH对色氨酸降解成粪臭素和吲哚相对产量的影响。
An increase in grain size increases the dielectric constant, piezoelectric coefficient and hydrostatic figures of merit, which can be explained by the Okazaki space-charge theory. 晶粒尺寸增加,多孔PZT陶瓷的介电常数、压电系数和优值增加,并可用Okazaki空间电荷理论解释晶粒尺寸对试样介电和压电性能的影响.
An investigation of antipyretic analgesic effect of Jinqiye mistura (金七叶合剂) 金七叶合剂解热镇痛作用研究
An investigation of virus diseases of narcissus(Narcissus tazetta var. Chinensis) was made in Fujian during 98~988. Three isolates, NC, Ⅱ- and Ⅹ- , were obtained from narcissus plants with mottled and symptomless leaves. 在中国水仙主产区水仙病毒病的系统调查中,从无症和褪绿斑驳的病叶中分离到 个分离物NC、Ⅱ- 和Ⅹ- .经人工根接和汁液摩擦接种在昆诺藜和千日红上,表现为局部枯斑; 在番杏和苋色藜上,表现为局部褪绿或局部褪绿白斑;
 
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