N-VAR 碳酸盐(用于碳酸化合物的名称中) Carbonate is used in the names of some substances that are formed from carbonic acid, which is a compound of carbon dioxide and water.
...1,500 milligrams of calcium carbonate. 1,500毫克碳酸钙
Cold seep and cold seep carbonates are the frontiers in the modern science. 冷泉及冷泉碳酸盐岩是当今科学界研究的前沿之一。
An analysis of C and O isotopic compositions of Middle-Upper Jurassic carbonates demonstrates that the original components of the carbonates have been well preserved. 通过对雁石坪地区中-上侏罗统碳酸盐岩的碳、氧同位素组成特征分析,认为其原始组分保存良好。
Such a global acidic ocean would also help explain the lack of carbonates in the soil, a key indicator of the presence of former seas on Earth. 这样一个全球性的酸性海洋也有助于解释为什么火星土壤中缺少了碳酸盐。碳酸盐是一种关键的指示剂,说明地球上以前就存在海洋。
The extent of this influence depends on the amount of blank CO2 and the isotopic differences between the blank CO2 and the carbonates. 其影响程度取决于空白CO2的量和空白CO2与碳酸盐样品之间C、O同位素的差别大小。
The formation and distribution of high quality reservoirs are key to the prospecting in deep marine carbonates. 优质储层发育与分布是深层、超深层碳酸盐岩勘探的关键。
The approach of paleoclimate and the oxygen, carbon isotopic compositions of Shelly carbonates in inland lake 内陆湖泊贝壳碳酸盐碳氧同位素组成与古气候研究
Sedimentation of Permian Deep-Water Carbonates and Its Environmental Significance in Western Edge of the Yangtze Platform 扬子台地西缘二叠纪深水碳酸盐沉积作用及其环境意义
The pore space was affected by the dissolution of calcite and feldspar, as well as the precipitation and cementation of carbonates. 溶蚀作用导致碳酸盐胶结物、长石颗粒和少量岩屑溶解流失。
There is a chemical re-action of the carbonic acid with the metal cation which can generate insoluble carbonates, resulting in decrease of the clay liner permeability. 而碳酸根是以其与金属离子发生化学反应生成难溶性碳酸盐的方式,降低了粘土的渗透系数。
The Post-salt Sediment Group formed ( Upper Permian to Quaternary) is composed mainly of clastic rocks, with carbonates locally. 晚二叠世以后形成的盐上层系沉积,主要??碎屑岩,在局部地区有碳酸盐岩。
Carbon dioxide can be obtained from carbonates, limestone, the burning of organic fuels, and industrial fermentation. 二氧化碳可从碳酸盐、石灰石、有机燃料燃烧以及工业发酵过程中制得。
A systemic and integrated criteria is thus obtained for the Ordovician carbonates in the Tahe oilfield. 从而使塔河油田奥陶系储层有了一个比较系统、完善的划分标准。
The Research of CO_2 Sequestration in the Process of Pedogenic Carbonates Formation and turnover in Desert grassland 荒漠草原土壤次生碳酸盐形成和周转过程中固存CO2的研究
In water, carbon, combined as carbonates and bicarbonates, is the source for photosynthesis. 在水中以碳酸盐或碳酸氢盐形式存在的碳是光合作用的来源。
Geology and geochemistry of seep carbonates from Bush hill of the Gulf of Mexico 墨西哥湾布什山冷泉碳酸盐岩沉积岩石学及地球化学
Abstract: The Lower Paleozoic carbonates of Tarim Basin were marbleized locally due to the thermal effects of magma intrusions. 摘要:在岩浆侵入体热作用下,塔里木盆地下古生界碳酸盐岩局部发生了大理岩化作用。
Carbon isotopic compositions of Sinian marine carbonates from the Yangtze Gorges sections near Yichang, South China, have been investigated. 本文测定了湖北宜昌三峡剖面震旦系海相碳酸盐岩样品的碳同位素组成。
The warming was accompanied by a rapid shift in the isotopic signature of sedimentary carbonates, suggesting that the event was triggered by a massive release of carbon to the ocean – atmosphere system. 该事件伴随着沉积记录中稳定碳同位素的快速负偏,表明该次事件是由大量二氧化碳气体迅速释放到海洋-大气系统所引起。
In this dissertation, some catalysts were prepared and used to convert CO2 and organic carbonates. 本论文制备了一系列新型的催化剂,用于催化CO2化学转化和其产物的下游反应。
Influences of temperature and saturation states on the precipitation rate of calcium carbonates in seawater ⅰ. Mg-calcite 温度和过饱和度对海水中碳酸钙沉淀速率的影响Ⅰ.镁方解石
Diagenesis of Lower Ordovician Carbonates in yichang, hubei 湖北宜昌地区下奥陶统碳酸盐岩成岩作用
Synthesis of Propylene Carbonate from Urea and 1,2-Propylene Glycol over Metal Carbonates 金属碳酸盐催化尿素和1,2-丙二醇合成碳酸丙烯酯
In addition to carbonates and metal hydroxides, these products are also claimed to react with the surface of talc and of cellulosic fillers. 除可用于碳酸盐和金属氢氧化物外,据称这些产品也能与滑石粉和纤维素填料的表面反应。
The performance of the electrochemical oxidation of the activated carbon in the carbonates was investigated. 研究了活性炭粉在熔融碳酸盐中的直接电化学氧化性能。
As a mystery of Neoproterozoic, Cap Carbonates lying on the glacial diamictites with negative carbon isotopic anomalies have been found in many regions of the world. 通过对贵州新元古代陡山沱期不同相区碳酸盐岩帽的岩石特征和地球化学特征的研究,发现不同相区具有不同的同位素和岩石组合。
As an important hydrocarbon reservoir, reefs and carbonates have great potential in oil exploration. 生物礁及碳酸盐岩储层是一种典型的油气储层,具有巨大的油气勘探潜力。
Determination of carbon dioxide content in the mineral carbonates associated with coal GB/T218-1996煤中碳酸盐二氧化碳含量的测定方法
Researches on carbon and oxygen stable isotopes of lower Paleozoic carbonates in Xuzhou area 徐州地区下古生界碳酸盐岩的碳、氧同位素研究
Catalytic activities of a series of metal carbonates and mixed carbonates in the synthesis of propylene carbonate ( PC) from urea and1,2-propylene glycol were investigated. 研究了多种单组分金属碳酸盐和铅锌混合碳酸盐对尿素和1,2-丙二醇合成碳酸丙烯酯反应的催化性能。