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This article is on the basis of the predecessors working results. After a thorough and meticulous field geological survey ,it collects a large number of geology information and researches from the regional metallogenic geological background, and focuses on the formation, structure, palaeogeographic environment and mineralization. It describes the nature of the deposit, evolution and the formation of the ancient environment,analysis of the source material,sedimentary environment, advises the genesis point of view and establishes the deposit model,studies the control factors and bauxite ore mineralization, sums up the mineralization law and suggests the favorable prospect of this area.

本文在学习、研究前人各种工作成果的基础上,经过深入细致的野外地质调查,收集大量的地质信息,从区域成地质背景研究入手,着重研究了地层、构造、古地理环境与成的关系;阐述了西村床的性质、演化及其形成时的古环境;分析了成物质来源及沉积环境;提出了床成因的观点;建立了该床成模式;研究了控因素与铝土成关系,总结了化富集规律;提出了该区有利的找远景。

Fluorites formed in uranium mineralization period in the Zoujiashan and Shazhou uranium deposits have ε〓 values from -6.7 to -8.3 and I〓 values from 0.7145 to 0.7204, similar to their host rocks (porphyroblastic lava and sub-granodioritic porphyry) which have ε〓 values from -6.2 to -9.4 and I〓 values from 0.7121~0.7192. On diagram of ε〓- t, the fluorites and host rocks plot in similar area within the evolution field of the basement rocks at Xiangshan. The lead isotopic compositions of pyrites formed in uranium mineralization period plot as a line on diagram of 〓Pb/〓Pb vs.〓Pb/〓Pb. The host rocks plot at the lower value end. Calculation based on the slope of the line and the mineralzation age yields age of 144Ma for the geological body which provided uranium for the mineralization.

邹家山和沙洲铀床成期萤石的ε〓值(-6.7~-8.3)和I〓值(0.7145~0.7204)与赋围岩(碎斑熔岩及次花岗闪长斑岩)的ε〓值(-6.2~-9.4)和I〓值(0.7121~0.7192)相似,在ε〓-t图上,成期萤石数据点的投影范围与赋围岩的基本吻合,且均落在相山元古宙基底演化域范围内;成期黄铁的铅同位素组成在〓Pb/〓Pb-〓Pb/〓Pb关系图上呈线性分布,而火山岩的铅同位素组成位于此相关线的低值一端;利用异常铅线的斜率及成年龄计算出富铀地质体的形成年龄为144Ma,这与赋围岩的成岩年龄(135~140Ma)非常接近。

The -'s here are rather situational as you will often be spending most of your cash right away so you dont really need the build queue eg. on STusa when you PP/RAX/REF/WF(Buggy-2harvs first)/REF/WF and then spam Scorps from the WF's as Nod, you'll be spending all the cash you earn from those spikes %26amp; refs on the 2 WF.

这里所说的缺点是具体情况具体分析的,如果你经常是立刻把所有的资金都花费掉,那么你不是真的需要建造序列的,比如在美国小镇地图上,如果你是Nod并采用电厂/RAX/厂/兵工(四驱车+2车)/厂/兵工厂开局,然后暴蝎子的话,你将把从柱和厂里得到的资金全部投入到两个兵工厂里。

Objective The aim of this study was to investigate the effect of enamel remineralization with application of calcifying solution, fluoride solution and fluoride foam.

目的 本研究对化液、低浓度氟化物溶液和氟泡沫再化作用进行了比较,从而寻找出一种再化效果较好的制剂。

To evaluate the remineralization effect of casein phosphopeptide amorphous calcium phosphate and fluoride complex on artificial enamel subsurface white spot lesions in vitro in order to provide a new method to treat the postorthodontic enamel demineralization.

目的:研究不同浓度酪蛋白磷酸多肽-非结晶型磷酸钙及其与氟联合应用对牙釉质表层下脱化的影响,为正畸后的釉质脱提供一种治疗途径。

Through the analysis of szaibelyite ,the manufacture method of boric acid and magnesium carbonate from szaibelyite by sulfuric acid,CO_2 and ammonia water is determined.

对硼镁成分进行分析,从而确定了采用硼镁制取硼酸联产碳酸镁工艺路线———用硫酸分解硼镁制取硼酸,硼酸母液经处理后加入碳化氨水制取碳酸镁。

The results show that thermoluminescent anomalies, whose two edges are higher and the middle is lower, indicate the uranium deposit, the rapidity step of natural voltage indicates the transitive section of oxidation-reduction.

通过室内和野外实测,结果表明土壤天然热释光异常曲线体边缘高值,体上方低值异常的曲线特征反映了铀化存在的可能;中间低值段越宽,起伏变化越小,化相对较好;低值段宽,但起伏变化相对较大,则体连续性变差;中间低值段狭窄,反映了化较差或没有化。

Solid state reduction of raw titaniferous magnetic ore, its sinter , and pellets with H_2 and CO have been studied at various temperatures.

用CO和H_2为还原剂研究了钛磁铁,烧結和球团的还原性。

Most of the Pb-Zn deposits discovered so far are medium or small in size and occur in cluster and zonality. Based on the geological data available, the author analyzes the favorable ore-forming conditions for the Pb-Zn mineralization in Ningnan region, and on the basis of the detailed study of the Paoma deposit, an exploration model for Pb-Zn deposits in the region is developed.

作者在总结前人区域铅锌床研究成果的基础上,进一步分析了宁南地区铅锌成有利条件,并以新近探明的宁南跑马铅锌床为典型床,通过研究区地质特征、化标志及找标志,建立了宁南地区区域铅锌找模式。

Sound enamel surfaces were dematerialized in bacteria model in vitro. QLF was used to analyze the area of lesions, the loss of fluorescence and ΔQ on enamel surfaces after demineralization. Confocal laser scanning microscopy was used to quantify the mineral content after demineralization.

将30个牙釉质块开窗后分为3组,分别使用氟含量1 450 mg/L的氟化钠牙膏、单氟磷酸钠牙膏和无氟牙膏的处理液处理,并在体外恒化器龋病模型中进行脱循环,定量光导荧光技术分析病损脱后的面积、荧光损失和总荧光损失量,激光扫描共聚焦显微镜分析脱物质含量变化。

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