1) major element
常量元素
1.
Geochemistry of major elements in soil in central Hunchun of Jilin;
珲春中部土壤常量元素地球化学特征
2.
This paper studies the major elements and trace elements of altered rocks and the Au content and composition of altered minerals of Jincheng gold deposit and first studied the Fe-carbonate and the amygdale in lamprophyre in this deposit.
研究了金城金矿床蚀变岩石的常量元素和微量元素、蚀变矿物的金含量和化学组成,并首次对铁碳酸盐化及煌斑岩杏仁体的组成进行了研究。
3.
Based on the major elements abundances of sediment samples from 295 stations in the South Yellow Sea, we have conducted the R-mode cluster analysis and R-mode factor analysis of major elements in the sediments and their relationship with the sources.
通过对南黄海295个站位沉积物样品的常量元素含量分析,研究了南黄海沉积物常量元素组成的R-型聚类分析、R-型因子分析及与物质来源的关系。
2) major elements
常量元素
1.
Modes of occurrence of major elements in coal and their study significance;
煤中常量元素的赋存特征与研究意义
2.
The results show that almost all of the major elements and their minerals,except some elements which play as a catalyst in processing of coal derived hydrocarbon,have p.
实验结果表明,除个别具有一定化学催化能力的元素外,多数常量元素及其所形成的矿物质,由于其对成煤有机物质的负增量作用,会明显降低煤的生烃潜力;微量元素对煤的生烃性能影响则较为复杂,既与其对煤的各种化学组成的有机亲和性之差异有关,亦与其在煤的大分子热裂解成烃中的某种化学催化作用有关。
3.
The study on interstratified oxidized zone is usually focused on the behaviors of uranium and related elements, such as Se, Mo, V, Re and Ga, while the major elements including Si, Al, Na, K is not sufficient.
传统的对控矿层间氧化带的研究往往偏重于铀及其相应的伴生元素 (Se、Mo、V、Re、Ga等 )的地球化学行为 ,而对常量元素中非变价元素如 :Si、Al、Na、K等研究还很不充分。
3) Macroelement
['mækrə'elimənt]
常量元素
1.
Study on macroelements in fetal organic tissues and mother serum;
胎儿器官组织和母血中常量元素研究
2.
Human survives demands many macroelements and microelements.
人类生存需要各种常量元素和微量元素,维持人体正常机能所必需的Fe,Cu,Zn,Sr,F,I,Se,Si等微量元素,无论缺乏或过量都会导致人体产生疾病;而Cd等无生物功能作用的微量元素,对人体只能有毒害作用。
3.
The results showed that feeding fresh grass resulted in increasing the macroelement of ruminal fluid and digesta, the concentration of ruminal VFA and digestibility of cellulose in complex stomach.
用两头装有永久性瘤胃瘘管及Ｔ型十二指肠瘘管的海仔水牛，研究了在饲喂稻草＋精料（Ⅰ期）及青草日粮（Ⅱ期）条件下，瘤胃液及十二指肠食糜常量元素Ｓ、Ｐ、Ｋ、Ｎａ、Ｃａ、Ｍｇ浓度及纤维素消化的变化。
4) constant element
常量元素
1.
Based on geochemical test of soil samples from the Liang and Mao-Ruhe River valley profile in Pengyang and the Liang and Mao-Huluhe River valley profile in Xiji of loess hilly areas in southen Ningxia,the studies on the contents of constant element,trace element and effective state of trace element in differentplaces of different land forms have been conducted.
根据宁夏南部黄土丘陵区彭阳古城乡黄土梁峁—茹河河谷剖面和西吉城郊乡黄土梁峁—葫芦河河谷剖面土壤样品地球化学测试的结果,分别对不同地貌部位的常量元素、微量元素和微量元素有效态的含量进行了对比研究。
2.
The content of constant elements Ca?K and Mg is relatively higher near the unconformity surface and the shale of flood plain,while t.
常量元素 Ca、K和 Mg在不整合面附近及泛滥平原泥岩中含量较高 ,湖相泥岩中含量低且变化小 ,其中 Ca、Mg表现的尤为明显。
3.
In these elements,Mg and K are constant elements of human body.
其中Mg、K是人体的常量元素,Cu、Fe、Zn、Cr、Mn、Co、Ni是人体的必需微量元素,Pb、Cd是人体的非必需微量元素。
6) Trace (Macro) Elements
微(常)量元素
1.
δ~(15)N and Trace (Macro) Elements in Groundwater in Jinfo Mountains;
金佛山地区地下水δ~（15）N及微（常）量元素研究
补充资料：气体常量
| 气体常量 gas constant 表征气体性质的一个普适常量 。全称为摩尔气体常量，又称普适气体常量，简称气体常量，常用符号R表示。根据理想气体状态方程pV＝υRT，R等于1摩尔任何理想气体的压力p和体积V的乘积除以绝对温度T ，取标准状态T ＝273.15K，p＝1大气压，标准状态下的气体体积V0可由实验得出比较准确的数值，为V0＝ 22.41410×10-3米3／摩尔（m3·mol-1），由此算出 R＝8.314510 J·mol-1·K-1。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条