查询词典 carbonate-apatite

Dissolved pores, fractures and dissolved caves which is formed by dissolved pores more dissolution and treated as overlarge dissolved pores act primary storing and permeating space in the fractured and dissolved porous carbonate reservoir in the Northeastern of Sichuan Basin. Consequently, it forms unique reservoir types.

川东北裂缝－溶孔型碳酸盐岩储层是以溶孔、溶洞（溶孔进一步溶蚀扩大形成溶洞，可视为超大溶孔）、裂缝作为主要的储集渗透空间，从而形成了该区独特的储层类型。

Overmature gas in carbonate rock, biogenic gas, gas generated with coal evolution and gas evolved crude oil generation The geologic conditions for their occurences are analysed briefly, furthermore some problems related to the gas potential and its exploration are discussed in this paper.

本文初步划分了我国油田气，煤成气，碳酸盐岩过成熟气及浅层生物气四类主要气源，并简要分析了其赋存的地质条件，进而对天然气资源及勘探方向，进行了一些探讨。

Reaction of 9-bromofluorenewith diethyl malonate and sodium carbonate gives diethyl 2-(9-Fluorenyl)malonate.Aminolysis of diethyl 2-(9-Fluorenyl)malonate in ethylenediamine and propylene diamine give〓 and 〓, respectively.〓 and 〓 were synthesized by the reaction of 9-bromofluorene with oxalyl bisethylenediamine. Copper and nickel complexes of 〓 and 〓 were obtained by the reaction of 〓 and 〓 with copper and nickel salt, respectively, in aqueoussolution and extrusion of two hydrogen ions from the amide groups.

使9-溴芴与丙二酸二乙酯在无水碳酸钠存在下反应合成出2-(9-芴基)丙二酸二乙酯。2-(9-芴基)丙二酸二乙酯在乙二胺中胺解得到配体〓，2-(9-芴基)丙二酸二乙酯在1，2-丙二胺中胺解得到配体〓，使9-溴芴与草酰二乙二胺作用得到配体〓和〓与相应的金属盐作用分别得到它们的铜、镍配合物。

The effects of dimethyl carbonate as an oxygenate additive in diesel fuel on fuel characteristics,engine performances and emissions are studied.

研究了用碳酸二甲酯作为含氧燃料添加剂对燃料性质及柴油机性能和排放的影响。

Dimethyl carbonate; Oxygenate additive ; Performance and emission ; Diesel engine

碳酸二甲酯；含氧添加剂；性能与排放；柴油机

Based on this idea, the author has chosen two typical loess sections of Luochuan, and Xifeng for this study, collected the successive loess columns; To probe the conditional experiments of BeO sample preparation and measurement, and improve the existing method; On the basis of the technology improvement, the author has finished 402 samples' BeO preparation and AMS measurement; Also at the same time, to separate quartz from samples at 1 cm interval for both Luochuan and Xifeng sections systematically, to carry out measurements of quartz grain-size, SUS, grey scale, carbonate content and bulk sample density; By using the grain size model, the author has set up the chronological framework for both Luochuan, and Xifeng sections and the time sequence of millennial scale abrupt climate events recorded in loess strata, and reconstructed the East Asian monsoon history over 130ka by using multi proxies; Finally, to discuss the possible mechanisms of palaeoclimatic changes tentatively.

详细地球科学的发展离不开高精度和高分辨率的研究。运用长寿命核素如〓Be作为环境过程的示踪，已成为不可替代的有效工具。本论文选择洛川、西峰两个典型的黄土剖面，连续采集柱状样；探索了BeO样品制备、测量的条件实验，改进了原有的方法，完成了402个BeO样品的制备和AMS测量；同时还系统地分离洛川、西峰剖面高分辨率（1cm）黄土、古土壤样品中的碎屑石英，测量了碎屑石英粒度，以及全样的磁化率、灰度、碳酸盐含量和容重等古气候代用指标；采用粒度年代模式建立了洛川剖面和西峰剖面的年代标尺，建立了黄土地层记录的千年尺度的气候突变事件的时间序列，多指标重建了最近130ka东亚季风变迁史；初步讨论了古气候变迁的可能机制。

In the Middle and Late Cambrian, similar to the lithofacies palaeogeographic pattern of the Early Cambrian, the land area was gradually reduced, the basin area was enlarged, while the Tarim carbonate platform changed little.

中寒武世和晚寒武世的岩相古地理格局与早寒武世相似，但陆地面积逐渐缩小，盆地面积逐渐扩大，塔里木碳酸盐岩台地变化不大。

Comparing and analyzing of the paleoceanography characters from the SST, SSS, paleoproductivity, carbonate dissolution, paleo-monsoon and throughflow actions, we find it is obvious that the ocean currents system difference between the glacial and deglacial.

通过不同洋流区的岩芯末次冰期以来的古水温、古盐度、古生产力、碳酸盐溶解作用、古季风、穿越流活动等古海洋学特点的对比分析，可看出研究区冰期与冰后期海洋环流特点存在着明显的差异。

Thirdly, in reproducing pedological process and sandstorm activity, grain- size, magnetic susceptibility , Calcium carbonate and pH value of soil four indexes have good instructions.

三在再现成壤环境及沙尘暴活动时，粒度、磁化率、碳酸钙和土壤pH值这四项指标有着较好的指示意义，而且各指标之间对应良好。

The peak of grain-size hit 50 ~ 10um and Calcium carbonate value correspond the weak pedological process, in this period the sandstorm activity aggravated.

这些气候代用指标为本文研究关中平原中西部地区全新世以来的成壤环境演变和沙尘暴研究提供了良好的条件。50～10μm粗粉沙、碳酸钙曲线峰值对应于成镶微弱，沙尘暴活动加剧的时期。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。