单词n-的英汉翻译


n-


    egative







单词n-的英汉对照例句


从有毒植物小花棘豆中分离并鉴定了8个生物碱成分,臭豆碱、华碱、-甲基野靛碱、爪豆碱、靛叶碱、嘌呤、藓碱和脲基甲酸乙酯。
Eight alkaloids were isolated from oxytropis glabra and identified as anagirine thermopsine n-methylcytisine sparteine haptifoline adenine dictamnine and ethyl allophanate respectively by spectral analysis and physicochemical methods.
钢球磨损表面形成了由feso4、fes、b2o3、n-b-o及o-fe-b等多组分构成的保护膜,从而使得摩擦学性能得以改善。
The complex protecting film composed of feso4 fes b2o3 n-b-o and o-fe-b contributed to improve the tribological behavior of the lubricant.
分子?对ch_3oh-h_2o和n-c_3h_7oh-h_2o系?中水的吸附
The adsorption of water in the systems ch_3oh-h_2o and n-c_3h_7oh-h_2o wifh molecular sieve.
该产品可为全n通道功率mosfet三相桥的直接大电流门极驱动提供输出,最大电源电压为38v。
It is designed with outputs for a direct high current gate drive of an all n-channel power mosfet three phase bridge with a maximum supply voltage of38v.
该器件由一n沟耗尽型mos管、一横向pnp双极晶体管和一个电阻集成而得。它具有“双负阻”特性和正阻区阻值易于控制等特点。
This device consists of a n-channel depletion mode mos transistor a lateral pnp bipolar transistor and a resistor and has the behavior of "dual negative resistance" characteristics and easily controlled resistance in positive resistance region.
经红外光谱分析表明,树脂吸附法优于饱和正丁醇萃取法,用分光光度法测定了皂甙含量。
According to the result of infra-red spectrophotometric analysis the method of resin absorption is better than n-butanolextraction.
纽约探访护士华埠社区服务中心在中华公所大礼堂举行新春联欢会,并在会上颁发感谢状给即将卸任的伍锐贤主席。
The visiting nurse services of new york chinatown n-norc service hosted their annual lunar new year party at the ccba auditorium and presented an appreciation award to president eric ng.
全国有色人种协进会希望人们不再使用带有种族歧视的语言。
The naacp is hoping to finally lay the n-word to rest.
文摘:研究了在其它工艺条件不变的情况下,改变光气与甲胺的配比对合成n-甲氨基甲酰氯的影响。光气∶甲胺(摩尔比)由1。35∶1降至1。25∶1,最终产物甲基异氰酸酯收率由81。89%升高至86。23%。
Abstract: study on the synthesis of n-methyl carbamyl chloride underdifferent ratio of input materials and the yield of the termination products methyl isocyanate.the yield is raised from81.89% to86.23%.
在p型和n型半导体材料之间渡越区中的一个面,在这里施主杂质和受主杂质的浓度相等。
The surface in the transition region between p-type and n-type semiconductor material at which the donor and acceptor concentration are equal.
在实际应用,中在一个半导体晶体上总是同时形成一个n型和一个p型,组成一个正p-n结。
In practical use an n-type and a p-type are created side by side in the same semi-conductor crystal forming a p-n junction.
摘要采用植物化学成分系统研究的方法,从变异黄芪醇提总浸膏中分段萃取得到石油醚提取部分、氯仿提取部分、乙酸乙酯提取部分和正丁醇提取部分。
We got4parts from the extraction of astragalus variabilis bunge through systemic research ways of phytochemistry which respectively are the part of petroleum ether the part of petroleum ether the part of etoa and the part of n-buoh the part of n-buoh are isolated by the successively methods of silica-gel column chromatography tlc and sublimation.
摘要以正己烷为萃取剂,采用毛细管气相色谱法同时测定生活饮用水及水源水中甲氰菊酯、氯氰菊酯、氰戊菊酯、溴氰菊酯和联苯菊酯五种拟除虫酯类农药残留量。
The analytical method for five pesticide residues of pyrethroid such as fenpropathrin cypermethrin fenvalerate deltamethrin and bifenthrin in potable water and source water determination by capillary gas chromatography at the same time with n-hexane for extracting agent.
这种位置计数法简单的要求第n个参数,而不带任何格式说明。
This simple positional notation requests the formatting of the n-th argument-wihout any formatting option.
支持n层编程模型。
Support the n-tier programming model.

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