There are about 25 salt-forming elements,and due to the wide range and importance of their actions and with the progress in modern science and technology,the study of salt accumulations has broken through the.
成盐元素约25种,由于其作用的广泛性和重要性以及近代科学技术的进步,对于盐类聚集体的研究已冲破单学科领域,不但在地球科学包括盐类资源科技领域日益扩大和深入,而且在生物学、医学、保健和环境生态学等也有了引人入胜的新发现,航天行星科学也开始涉及盐类研究领域,在宏观上已进入全球以至行星研究时期,在微观上已达到分子和基因层次;盐类及盐碱土开发已达到综合利用、整体开发的初始阶段。
The controls of the host basins on ore-forming elements from the sedex deposits in Xizang;
西藏sedex型矿床赋矿盆地性质对成矿元素的制约作用
Fractal model was an effective tool to describe the distribution characteristics of ore-forming elements.
分形模型是刻画成矿元素品位分布特征的有效工具。
The influence of the lithologic character on the background values of ore-forming elements is confirmed .
根据样品的成矿元素与氧化物(SiO2)的相关关系,确定了岩性对成矿元素背景的影响。
Morphology and elemental composition of PM_(10) in the indoor and outdoor air of environmental laboratories at the campus;
大学校区环境实验室内外空气中PM_(10)的形貌与元素组成
The formation and corrosion processes of chrome-free chemical conversion coating on Mg alloy were studied based on surface morphology and elemental composition by SEM,XRD and XPS.
采用SEM、XRD和XPS方法,从膜层的表面形貌及元素组成入手,研究了无铬化学转化膜(CFM)的成膜及腐蚀过程,提出了双层成膜机制和层层腐蚀机制。
Fine structure and elemental composition of envelopes of 10 taxa of Trachelomonas and Strombomonas from natural freshwater bodies in China were studied and phylogeny of both genera were discussed.
对采自自然水体中囊裸藻属 (Trachelomonas)的 8种和陀螺藻属 (Strombomonas)的两种藻类的囊壳微细结构和元素组成进行了比较分析 ,并探讨了这两个属的系统演化关系。
Neutron activation analyses on element composition of natural waters in China;
中国陆地水元素组成的中子活化分析试验
The element composition, pH value, contents of acid oxygenous groups of carbon black, and their internal relationships have been studied.
本文研究了炭黑的元素组成、pH值、表面酸性含氧基团含量以及它们之间的相互关系。
This study discusses the element composition of dustfall and the temporal and spatial distribution of content in the industrial cities through studying the heavy industrial city of Tangshan in Huabei District.
以华北地区重工业城市唐山作为研究对象,探讨工业型城市大气降尘元素组成及时空分布特征。
Study on the mechanism of salt damages on the mural paintings of mogao grottoes
基于莫高窟成盐元素相关系探究壁画盐害作用机理
Common salt consists of two elements, sodium and chloride, therefore it is called sodium chloride .
食盐含有两种元素--钠和氯，因此成为氯化钠。
Characteristics of Proterozoic Carbonate Rocks in Jixian by Means of the Oxygen and Carbon Isotope Composition
从氧、碳同位素组成看蓟县元古宙碳酸盐岩特征
Dibasic acids can form acid salts.
二元酸能形成酸式盐。
The Salts' Zoning Structure and Ore-forming Elements Distributing Pattern in Gobi Coverage;
戈壁覆盖层次生盐的分带结构和成矿元素的分布规律
Synthesis, Structure and Properties of Polyoxometalates Containing Te Element;
含Te元素的多金属氧酸盐的合成、结构与性质研究
"Alum Inorganic compound, any of a class of hydrated double salts, usually consisting of aluminum sulfate, water of hydration (an essential part of the crystal makeup), and the sulfate of another element."
明矾: 一种无机化合物。一组通常由硫酸铝、水合水和其它元素的硫酸盐组成的水合复盐的总称。
Analysis of Mineral Elements in Salt Using ICP-AES;
食盐中矿物质元素的ICP-AES分析
Specially added bamboo salt elements can provide sufficient mineral elements and microelements needed by scalp skins.
*特别添加的竹盐成份，能全面补充头皮细胞所需的矿物质和微量元素。
Carbonate and biogenic Ba records of paleoproductivity since early Miocene in northern South China Sea
早中新世以来南海北部陆坡古生产力的碳酸盐和生物成因Ba元素记录
The water is formed from oxygen element and hydrogen element.
水由氧元素和氢元素组成。
Water is composed of the elements hydrogen and oxygen.
水是由氢元素和氧元素组成的.
When alkali cellulose is reacted with the sodium salt of chloroacetic acid, the sodium salt of the carboxymethyl ether (cellulose-O-CH2-CO2-Na+) is formed.
当碱性纤维素与盐酸的钠盐反应,羧甲基醚钠盐生成。
Investigation on the quantity of chemical elements,nitrate and nitrite in the drinking water in the high and low gastric cancer incidence area
胃癌高、低发区饮用水中化学元素、硝酸盐及亚硝酸盐含量调查
having three units or components or elements.
由三个单元、成分或元素组成的。
Benzylpenicillin[Sodium , Potassium]
青霉素[钠盐，钾盐]
Heparin [Sodium ,Calcium]
肝素[钠盐，钙盐]
ECF Bleaching of Bamboo Kraft Pulp
中小径竹硫酸盐浆无元素氯漂白技术的研究