单词p-的英汉翻译


p-


    para-;positive







单词p-的英汉对照例句


对偏流在p-n结上有比例地发光;外貌决定于材料。
Light emitted at a p-n junction is proportional to the bias current; color depends on the material used.
给雄性atx大鼠皮下注射丙酸睾丸素可使其肝微粒体mfo活力恢复。
After subcutaneous injection of testosterone propionate hepatic p-450content and demethylase activity restored in male atx rats.
计算表明:冷凝回流温度的升高、回流比的降低和反应压力的升高都导致反应温度增加,虽然醋酸和对二甲苯的副反应消耗增加,但液相中对羧基苯甲醛的质量分数降低和反应收率增加。
The results show that the yield of terephthalic acid increases and the mass fraction of4-carboxybenzaldehyde decreases when the reflux temperature or the reaction pressure increases or when the reflux ratio decreases but that the combustion rate of p-xylene and acetic acid increase simultaneously.
介绍了对甲苯磺酸、氨基磺酸、强酸性阳离子交换树脂、六水三氯化铁、聚氯乙烯三氯化铁树脂、五水四氯化锡、十二水合硫酸铁铵、一水硫酸氢钠、硫酸氢钾、硼酸、固体超强酸和杂多酸等固体酸催化合成肉桂酸甲酯的方法。
The catalytic synthesis of methyl cinnamate with p-toluene sulfonic acid amino sulfonic acid strong acidic cationic exchange resin ferric chloride hexahydrated polyvinyl chloride-ferric chloride resin stannic chloride pentahydrate ammonium ferric sulfate dodecahydrate sodium bi-sulfate monohydrate potassium bisulfate boric acid solid supper acid and heteropoly acid etc.were reviewed.
介绍了水泥搅拌桩的加固原理、适用范围和深层搅拌机械的分类,分析了水泥土的物理化学性质和力学性质,论述了水泥搅拌桩的施工工艺、施工质量保证体系和质量检测方法。
This paper introduces the reinforcing princi pl e and applying scope of the cement mixing pile and the classification of the dee p-mixing machines analyzes on the physicochemical property and mechanical prope rty of the cement soil discusses on the construction techniques construction q uality guaranteeing system and the quality detection methods of the cement mixi ng pile.
它们吸附对二甲苯的容量和选择性都很高。
Their adsorption capacity and selectivity for p-xylene were high.
通过对有限秩的无扭阿贝尔群的商群的讨论,得出了对有限秩的无扭阿贝尔群的结构的一种刻划即:设g为有限秩的无扭阿贝尔群,g是非p可除的(p为素数),那么存在着子群g*,使得(1)g*为自由阿贝尔群;
A wsv to discribe the structure of a torsion-free abelian group with finite rank is found by studying its quotient group.let g be a torsion-free abelian group with finite rank not p-divisible where is a prime.
为了研究不同岩石中泊松比及其各向异性随围压的变化,选取19块典型的岩石样品,在不同围压下沿相互正交的3个方向同时测量纵、横波速度,并通过计算得到了泊松比及其各向异性。
To study the changes of poisson's ratio and its anisotropy with confining pressure we measured p-and s-wave velocities in three orthogonal directions in19rock samples under different confining pressures.
文中对双组分体系在calgon活性炭上的竞争吸附也做了研究,结果显示对二甲苯的吸附能力最强,醋酸次之,醋酸甲酯的吸附能力最弱。
The results showed that the adsorption capacity of p-xylene on calgon ac was more than that of acetate acid while methyl acetate was the least.
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.
摘要建立了一个用于模拟对二甲苯氧化制对苯二甲酸过程的连续气液搅拌釜反应器模型。
A computer code for simulating continuously stirred gas-liquid reactors of p-xylene oxidation to terephthalic acid was developed.
摘要评述了对甲苯磺酸、氨基磺酸、强酸性阳离子交换树脂、六水三氯化铁、二水氯化铜、五水四氯化锡、十二水合硫酸铁铵、一水硫酸氢钠、硫酸氢钾、壳聚糖硫酸盐、磷酸二氢钠、稀土金属氧化物、固体超强酸、杂多酸和分子筛等催化剂催化合成乙酸异丁酯的方法。
The synthesis methods of isobutyl acetate catalyzed by p-toluene sulfonic acid amino sulfonic acid strongly acidic cationic exchange resin ferric chloride hexahydrate cupric chloride bi-hydrate stannic chloride pentahydrate ammonium ferric sulfate dodecahydrate sodium bisulfate monohydrate potassium bisulfate chitosan sulfate sodium dihydrogen phosphate rare earth metallic oxide solid super acid heteropoly acid and molecular sieve etal were reviewed.
摘要以丁二酸和异丙醇为原料及对甲基苯磺酸为催化剂,催化合成丁二酸二异丙酯。
Diisopropyl succinate was synthesized from succinic acid and isopropanol with p-methyl benzenesulfonic acid as catalyst.
这些土壤上推荐使用的技术措施有:石灰与石膏同时施用以加深根系,热法磷酸盐作磷肥,并使用酒糟、滤饼和蔗渣等糖厂副产品作为有机质和必需养分来源。
Among the technologies recommended for these soils are: lime associated with gypsum for a deeper root system p-fertilization with thermophosphate and the use of sugar mill by-products like vinasse filter cake and bagasse as source of organic matter and some essential plant nutrients.

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