Summary:ditailed comparing the difference between P91 and X20 in chemical composition、mechanical properties and weldability, introduction in briefly to the application of these two type of material in our plant,summing up the advantage of P91 steel.
较为详细地比较P91和X2 0在化学成份、机械性能、可焊性的区别 ,简要介绍两种材料的应用 ,总结出P91材料的优越性。
This review sums up update studies both at home and abroad about the chemical composition, new pharmacological properties of resource plant Rhodiola l, and discusses the questions that have emerged in process of the practice and the relative strategies to solve these questions.
对资源植物红景天的化学成份、新药理学作用研究进行了归纳分析 ,并对其开发利用过程中遇到的问题及相应对策进行了讨论。
A study on change of contents and distribution of the rare earths in roasted tobacco plant and effects on chemical composition in roasted tobacco leaves of the rare earths was reported.
本试验用低浓度混合硝酸稀土喷施烤烟叶面 ,研究了稀土在烤烟植株中的含量、分布及土壤中可溶态稀土的变化情况及稀土对烟叶化学成份的影响 ,旨在为烤烟施用稀土提供科学依据。
After the study of the effect of tea variety,leaf age and chemical component on endophytic fungi,it was found that: 1.
通过茶树品种、叶片龄期及叶片化学成份对茶树内生真菌分布影响的研究,发现:(1)在供试的4个茶树品种中,黄旦的内生真菌分离频率达100%,而福云六号只有7。
The microscopic structure of salix mongolia were studied,and its fiber shapes andchemical components measured.
本文分析了沙柳木材的显微构造，测定了沙柳木材的纤维形态及化学成份。
After the study of the effect of tea variety, leaf age and chemical component on endophytic fungi, it was found that: 1.
通过茶树品种、叶片龄期及叶片化学成份时茶树内生真菌分布影响的研究,发现:(1)在供试的4个茶树品种中,黄旦的内生真菌分离频率达100％,而福云六号只有7。
The chemical constituents have been isolated from Delphinium tatsienense Franch Var Chinghaiense by column chromatography and preparative thin layer chromatography.
用柱层析、制备薄层层析等对青海翠雀的化学成份进行了分离 ,并用IR ,EA ,MS ,1HNMR ,13 CNMR及DEPT等光谱确定了化合物的结构 ,共分得 5种二萜生物碱 ,其中一种为新化合物 ,还分得一种非生物碱 β 谷甾醇 。
The changes of aroma matter and chemical components in tobacco leaves during aging were studied with flue-cured tobacco (Nicotiana tabacum L.
）为试材，研究了陈代期间烟叶香气物质和主要化学成份含量的变化。
The chemical components of three kinds of wild animal, Saiga tatarica,Gazella subgutturosa and ovis ammon, were preliminarily studied.
本文对赛加羚羊角、鹅喉羚羊角、盘羊角等三种野生动物角的化学成份进行了初步研究，主要内容包括１７种氨基酸含量的测定，９种无机元素含量的测定及氮、磷含量的对照分析。
Classification, Symbol of Grade and Chemical Compositio
级别，代号及化学成份
Chemical analysis using spectrometer and chemical mathod at the same time to ensure impurities are within specification.
用光谱和化学法同时进行化学成份分析确保化学成份在控制范围。
Chemical Composition of Stainless Steel & Heat-Resistant Steel(in order of number & alphabet)
不锈钢及防热钢材的化学成份
Chemical composition - cold rolled steel sheet to JIS G3141
日工标准(JIS G3141)冷辘钢片化学成份
A Study on the Chemical Constituents of the Volatile Oil from the Fruit of Sabina vulgaris Ant
新疆圆柏果实挥发油化学成份的研究
Studies on Chemical Constituents and Fingerprint Analysis of Houttuynia Cordata;
鱼腥草化学成份及其指纹图谱的研究
Studies on Chemical Constituents from Two Medicinal Plants of Buxus;
黄杨属两种药用植物的化学成份研究
Studies on Analysis of the Constituents of Schisandra(Ⅱ)--The Structure of a New Constituents Ganwuweizic Acid
五味子化学成份分析研(Ⅱ)——一种新成份甘五酸的结构
Mechanization Xiangxue Rice Wine Fermentation Process of Components of Biological Change Research
机械化香雪酒发酵过程生物化学成份变化研究
Study on the biochemical elements change during the fermentation process of traditional rice-adding wine
传统加饭酒发酵过程生物化学成份变化研究
8 milligrams or less of tar-- condensed smoke containing many chemicals, including some that cause cancer;
8毫克或少于此量的焦油——一种凝固起来的烟垢,含有许多化学成份包括引起癌症的化学成份;
AISI, JIS End Usage and Chemical Composition of Cold Drawn Carbon Steel Shafting Bar
枝材之美工标准，日工标准，用途及化学成份
Stainless Steel - Type, Industrial Standard, Chemical Composition, Characteristic & end usage of the most commonly used Stainless Steel
不锈钢-种类，工业标准，化学成份，特点及主要用途
This is the first report about Styela canopus.
这是有关冠瘤海鞘化学成份研究的首次报道。
A STUDY OF ELEMENTAL CONCENTRATIONS IN ATMOSPHERIC AEROSOL FROM BEIJING IN LATE WINTER
北京冬春季节大气气溶胶化学成份的研究
A STUDY ON THE CHEMICAL COMPOSITION OF JADEITE, RELATIVE PYROXENE AND CLASSIFICATION OF JADE
硬玉及相关辉石化学成份与翡翠玉种研究
Study on Chemical Constituents of Fatty Contents from Coral Chromonephthea sp.;
软珊瑚Chromonephthea sp.酯溶性部分化学成份的研究
Studies on the Active Chemical Constituents in Uighur Medicine of Cichorium Glafulosum Boiss.et Huet;
维吾尔医药材—毛菊苣活性化学成份研究