查询词典 carbonate-apatite

In this paper, the different volume ratio additives'influences on the economy of different fuels as well as the characteristics of combustion and emission have been investigated employing the knowledge about combustion dynamics and chemical reaction dynamics on the base of the gasoline additives application actuality in engine. Dimethyl Carbonate, Diisopropyl Ether and Ditert-Butyl Peroxide are selected as gasoline additives to explore the potential and promotable additives by engine tests in different base fuels.

本文根据汽油添加剂的应用现状并结合内燃机燃烧学、化学反应动力学等知识，选择用碳酸二甲酯、二异丙醚、二叔丁基过氧化物作为汽油添加剂，通过不同基础燃油的发动机台架试验，研究不同添加体积比的添加剂对不同燃油经济性、燃烧特性、排放特性的影响，以探求潜在的可推广使用的汽油添加剂。

O?C?Cu isotopes. revealing that the mixed hydrothermal fluid of magmatic water and meteoric water reactivated the ore elements in the carbonate rocks and quartz diorite. Copper was transported, as Clcomplexes in the ore fluid and precipitated to enrich and thicken the primary sedimentary protore.

认为该矿床是在岩浆水和后期少量大气水的加入而形成的混合热液共同作用下，活化碳酸盐岩地层和石英闪长岩中的铜等成矿元素，形成含矿热液，并以铜的氯络合物方式运移，在弱还原性条件下使原始沉积矿胚层加厚变富。

Combined with the carbonate reservoir characteristics as large gas rate,viscous crude and produced naturally,this paper regressively analyzes and matches the dynamic liquid level,submergence depth, pump efficiency ,water content,oil density and viscosity of 137 sucker rod pump wells.

针对塔河油田机抽井的沉没度大大高于中国石化平均水平的现状，结合塔河油田碳酸盐岩油藏气大、油稠、依靠天然能量开采的特点，对正常生产的130口有杆泵井的动液面、沉没度、泵效、含水、原油密度、原油黏度等数据进行了回归分析和拟合，给出了不同含水期、不同日产液量的机抽井合理沉没度范围。

In Central Asia five countries of CIS,there occur over 100 uranium deposits of different types:sandstone,alkaline metasomatic rock,uranium and coal-bearing rock,fish fossil-bearing mudstone and carbonate rock,of which uranium reserver is about 30％ global uranium industrial reserves.

中亚独联体五国：哈萨克斯坦、乌兹别克斯坦、吉尔吉斯坦、土库曼斯坦和塔吉克斯坦的中亚大陆地壳构造单元，其中分布着大批砂岩型铀矿床和碱交代岩型、含铀煤岩型、含鱼残骸泥岩型和碳酸盐岩型铀矿床，计百余个。

For the first time, we have established multi-porxy climate records from red residua overlying carbonate rocks.

首次在红色风化壳剖面中建立了气候变化多指标。

The packing Carbonate dust from the saponifiable waste alkali incineration equipment was treated with wet dust-removing techniques of material-filled purification tower.

采用填料洗涤塔湿法净化技术，对皂化废碱液焚烧装置碳酸钠包装粉尘进行治理。

There are two different opinions on origin of gases in Ordovician reservoir of the central gas field of Ordos basin:(1) Gases are mainly sourced from Ordovician carbonate source-rock, it is a mixed gas in which sapropelic gas dominates;(2) Gases are mainly sourced from Carboniferous coal-bearing source-rock, it is a mixed gas in which humid gas dominates.

对鄂尔多斯盆地中部气田气源问题主要有两种不同看法：一种看法认为它是以奥陶系碳酸盐烃源岩来源为主、腐泥气为主的混合气；另一种看法认为它是上古生界煤系气或煤系气为主的混合气。

The morphology,crystal shape and size of nanopowder was characterized and analyzed by XRD,SEM technologies,the yield of preparation was considered,and the best technic parameters was obtained:titanium tetrachloride∶n-octanol is 1∶4,the temperature of ammonium carbonate satura...

通过XRD、SEM对纳米粉体的形貌、晶型、粒径进行了表征对比，并结合二氧化钛粉体制备的产率，确定了最佳工艺参数：四氯化钛∶正辛醇=1∶4，碳酸铵饱和溶液温度为50℃，真空干燥温度为110℃，焙烧温度350℃，焙烧时间3 h。

And basing on the compound study of sedimentology and stratigraphy, the author divides the evolution of Cambrian North China Platform into 4 stages which have different carbonate platform types, sedimental facies sequences and sequence stratigraphic patterns. This reflects the changing law of sedimental dynamic field from unstability to stability with the time going on.

在沉积学、地层学综合研究的基础上，将寒武纪华北地台演化阶段划分出四大演化阶段，每个阶段具有不同的碳酸盐台地类型、沉积相序和层序地层模式，反映了沉积体系在沉积动力场中随着时间的演化由不稳定走向稳定的变化规律。

The paper aimed at the burning spent gases and calcium carbonate nanoparticles can be successfully synthesized by wet-chemical segregative decarbonization technique, while another environmentally conscious materials- oxynitride ceramics Sialon etc.

本文以燃烧烟气为对象，采用湿式固碳分离技术合成纳米碳酸钙，处理后的氮气制备氧氮化物环境友好陶瓷，达到抑制碳排放和资源增效多重目的，为挑战该世界技术难题奠定了扎实的基础并提出展望。

I was up all night because I was in pain, she said.

我整夜，因为我在疼痛，她说。

A crow caws /craoks.

乌鸦叫。 51-论文网