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1.
《化工矿产地质》2011,(3):F0004-F0004
华北院成立于1978年1月,原名化学工业部化学矿山规划设计院,1996年6月更名为化学工业部华北规划设计院,2000年10月转制为科技型企业.整体进入中国寰球工程公司,2003年3月起更名为中国寰球工程公司华北规划设计院.也是中国寰球工程公司的工程设计中心,具有独立法人资格,注册资金2800万元。  相似文献   

2.
一、开展工程总承包业务、建设国际型工程公司方面所做的工作: 一)确立创建国际型工程公司的发展目标 二)确立公司2010年发展指标规划 三)根据战略目标和2010年发展指标规划逐步建立与国际型工程公司相适应的项目管理体系  相似文献   

3.
《化工矿产地质》2010,(3):F0003-F0003
华北院成立于1978年1月,原名化学工业部化学矿山规划设计院,1996年6月更名为化学工业部华北规划设计院,2000年10月转制为科技型企业,整体进入中国寰球工程公司,2003年3月起更名为中国寰球工程公司华北规划设计院,也是中国寰球工程公司的工程设计中心,具有独立法人资格,注册资金2800万元。  相似文献   

4.
《化工矿产地质》2010,(4):F0004-F0004
华北院成立于19,78年1月,原名化学工业部化学矿山规划设计院,1996年6月更名为化学工业部华北规划设计院,2000年10月转制为科技型企业,整体进入中国寰球工程公司,2003年3月,起更名为中国寰球工程公司华北规划设计院,也是中国寰球工程公司的工程设计中心,具有独立法人资格,注册资金2800万元。  相似文献   

5.
《化工矿产地质》2011,(1):F0004-F0004
华北院成立于1978年1月,原名化学工业部化学矿山规划设计院,1996年6月更名为化学工业部华北规划设计院。2000年10月转制为科技型企业.整体进入中国寰球工程公司.2003年3月起更名为中国寰球工程公司华北规划设计院,也是中国寰球工程公司的工程设计中心,具有独立法人资格,注册资金2800万元。  相似文献   

6.
《化工矿产地质》2011,(4):F0004-F0004
华北院成立于1978年1月,原名化学工业部化学矿山规划设计院,1996年6月更名为化学工业部华北规划设计院,2000年lO月转制为科技型企业,整体进入中国寰球工程公司。2003年3月起更名为中国寰球工程公司华北规划设计院,也是中国寰球工程公司的工程设计中心,具有独立法人资格,注册资金2800万元。  相似文献   

7.
抓住机遇、深化改革,扩大对外开放,积极发展化工外向型经济,是加快化学工业发展的重要战略措施。为适应发展外向型经济的需要,化工设计单位努力和国际惯例接轨,争取尽快办成为国际型工程公司。当前创建国际型工程公司已成为化工设计单位对外开放的主要模式和目标。也是落实化学工业“三个一百”战略任务的具体措施。 十多年来,化工设计单位在深化改革,提高内涵,开展对外开放方面,已取得不少进展。八十年代中期,以设计体制改革和计算机开发运用、工程承包为先导在成达、五环、寰球、天辰工程公司和  相似文献   

8.
中国寰球工程公司(以下简称寰球公司)成立于1953年,2005年6月成为中国石油天然气集团公司全资子公司,主要从事炼油、石油化工、天然气化工和煤化工等咨询设计和工程建设业务。50多年来,公司先后完成了1800多个国内外设计和建设项目,为推动我国石油、化工建设事业乃至全国咨询设计行业的改革和发展作出了贡献。寰球公司在以往的发展中取得了一些成绩,主要是坚持改革创新的结果。[第一段]  相似文献   

9.
1走自主创新之路,建设创新型企业中国五环化学工程公司(以下简称五环公司)始终坚持科学发展观和坚持工程技术自主创新,在大型磷复肥、大型氮肥(合成氨及后加工)等多个领域中,已处于国内工程技术领先的地位,并开发和拥有自主知识产权的工艺技术和工程技术,步入良性循环的快速发展时期,是自主创新推动了公司的跨越式发展,有力地促进了公司创建国际型工程公司的强劲步伐。  相似文献   

10.
<正>中国寰球工程有限公司(以下简称"寰球公司")是中国石油集团工程股份有限公司全资子公司,始建于1953年,是集研发、咨询、技术许可、FEED、设计、采购、施工、设备制造、开车、运行维护、融资等EPC全流程、全价值链、"一站式"综合服务于一体的国际工程公司,主要从事炼油工程、石油化工工程、LNG天然气液化及接收处理、新型煤化工、有机化工、无机化工、医药化工工程建设。  相似文献   

11.
Police, politics, and the right to the city   总被引:1,自引:0,他引:1  
Mustafa Dikeç 《GeoJournal》2002,58(2-3):91-98
Space and spatiality have recently been at the core of debates concerning the political possibilities of the city. The arguments advanced in this paper might be seen as an attempt to contribute to these debates through a reflection on the spatiality of (in) justice, politics, and the right to the city. The case of French urban policy, with its focus on distressed urban areas, and the `suburban problem' in France are used as examples to make arguments more concrete.  相似文献   

12.
This paper reports the first results of a study of 11 isotope systems (3He/4He, 40Ar/36Ar, 34S/32S, 65Cu/63Cu, 62Ni/60Ni, 87Sr/86Sr, 143Nd/144Nd, 206–208Pb/204Pb, Hf–Nd, U–Pb, and Re–Os) in the rocks and ores of the Cu–Ni–PGE deposits of the Norilsk ore district. Almost all the results were obtained at the Center of Isotopic Research of the Karpinskii All-Russia Research Institute of Geology. The use of a number of independent genetic isotopic signatures and comprehensive isotopic knowledge provided a methodic basis for the interpretation of approximately 5000 isotopic analyses of various elements. The presence of materials from two sources, crust and mantle, was detected in the composition of the rocks and ores. The contribution of the crustal source is especially significant in the paleofluids (gas–liquid microinclusions) of the ore-forming medium. Crustal solutions were probably a transport medium during ore formation. Air argon is dominant in the ores, which indicates a connection between the paleofluids and the atmosphere. This suggests intense groundwater circulation during the crystallization of ore minerals. The age of the rocks and ores of the Norilsk deposits was determined. The stage of orebody formation is restricted to a narrow age interval of 250 ± 10 Ma. An isotopic criterion was proposed for the ore-bearing potential of mafic intrusions in the Norilsk–Taimyr region. It includes several interrelated isotopic ratios of various elements: He, Ar, S, and others.  相似文献   

13.
14.
The Trinity River (Texas, USA) contains in its watershed 23 different reservoir lakes, the largest one being Lake Livingston situated in the lower Trinity River watershed and two potentially polluting metroplexes, Dallas and Houston. In order to determine fluxes of nutrients and trace metals to Galveston Bay, a survey that included 24 discreet samples collected over a year and at various stages of discharge was carried out during 2000–2001. Geochemical (i.e., sorption by Fe oxyhydroxides), biological (i.e., seasonal uptake by sinking algae in Lake Livingston), and hydrological (i.e., dilution effects by increasing flow rates) controls were found to be mainly responsible for variations in dissolved trace metal concentrations rather than pollution sources. The Trinity River loads of suspended sediments and pollutant trace metals entering Galveston Bay at Anahuac were <20% of those reaching Lake Livingston, and only a few percent of the total upstream trace metal load is entering the Gulf of Mexico. Thus, during the transit through the 23 man-made lakes and an estuary, >96% of the pollutant trace metal load is lost to sediments.  相似文献   

15.
The mineral composition of the Talatui gold deposit has been studied with modern methods. Previously unknown minerals (ilmenite, siegenite, glaucodot, wittichenite, matildite, hessite, pilsenite, zircon, tremolite, cummingtonite, hercynite, and goethite) have been identified in the ore. A high Re content has been detected in molybdenite. The spatiotemporal separation of Au and Ag is caused by different mineral species of these elements and their diachronous precipitation during the ore-forming process. Gold crystallized along with early mineral assemblages, beginning from virtually pure gold (the fineness is 996). Silver precipitated largely at the end of the process as hessite (Ag2Te) and matildite (AgBiS2). The temperature of ore deposition varied from 610 to 145°C, the pressure was 3370–110 bar, and the salt concentration ranged from 56.3 to 0.4 wt % NaCl equiv. The heterogeneous state (boiling) of fluid at the early stages has been documented. The chemical and isotopic compositions of the fluid testify to its magmatic nature and the participation of meteoric water at late stages in the ore-forming process. Thermodynamic modeling reproduces the main specific features of ore formation, including separation of Au and Ag. A physicochemical model of the gold mineralization in the Darasun ore district has been proposed. On the basis of several attributes, the Talatui deposit has been referred to the prophyry gold-copper economic type.  相似文献   

16.
Transport and transformation of nitrate was evaluated along a 1-km groundwater transect from an almond orchard to the Merced River, California, USA, within an irrigated agricultural setting. As indicated by measurements of pore-water nitrate and modeling using the root zone water quality model, about 63% of the applied nitrogen was transported through a 6.5-m unsaturated zone. Transport times from recharge locations to the edge of a riparian zone ranged from approximately 6 months to greater than 100 years. This allowed for partial denitrification in horizons having mildly reducing conditions, and essentially no denitrification in horizons with oxidizing conditions. Transport times across a 50–100-m-wide riparian zone of less than a year to over 6 years and more strongly reducing conditions resulted in greater rates of denitrification. Isotopic measurements and concentrations of excess N2 in water were indicative of denitrification with the highest rates below the Merced River. Discharge of water and nitrate into the river was dependent on gradients driven by irrigation or river stage. The results suggest that the assimilative capacity for nitrate of the groundwater system, and particularly the riverbed, is limiting the nitrate load to the Merced River in the study area.  相似文献   

17.
马元铅锌矿床是近年扬子陆块北缘铅锌找矿的新突破。矿体呈层状、似层状产于碑坝隆起翼部震旦系灯影组角砾状白云岩层间构造带中,围岩蚀变很弱。矿石中硫化物以闪锌矿、方铅矿为主,中粗粒晶质结构,充填于白云岩角砾间。闪锌矿富集Cd、Ge、Ag,贫In、Tl、Se,Ga/In为6~132,Ge/In多1000,成矿温度以中-低温为主。金属硫化物ε~(34)S值相对集中,为12.9‰~19.4‰,平均为17.4‰,来自于海相硫酸盐的还原。铅同位素组成稳定,~(206)Pb/~(204)Pb为17.858~17.918:~(207)Pb/~(204)Pb为15.603~15.694;~(208)Pb/~(204)Pb为37.756~38.046,具有造山带和上地壳铅的特征,震旦系可能提供了金属成矿物质。闪锌矿中流体包裹体的~3He/~4He为0.03Ra~1.05Ra,~(40)Ar/~(36)Ar为326.1~765.1,~(38)Ar/~(36)Ar为0.183~0.204,表明成矿流体主要为地壳流体和饱和大气水(大气降水或海水)的混合。闪锌矿内流体包裹体挥发分δ~(13)C_(CH_4)值为-36.01‰~-28.80‰,δ~(13)C_(C_2H_6)值为-27.72‰~-22.44‰,δ~(13)C_(CO_2)值为-23.24‰~-9.68‰,表明有机流体参与了成矿作用。石英、方解石的H-O同位素结果表明具有海水和有机水混合的特征。可见,成矿流体具有两种流体混合的特征,一为蒸发海水与围岩反应所形成的盆地卤水,二为有机流体。推测矿区可能存在一个古油气藏,由于TSR生成一高硫气藏,为区内还原性有机流体的主要来源。当富含Pb、Zn等成矿物质的成矿流体运移至富含CH_4和H_2S的还原性流体的矿区角砾岩带时,两种流体混合,Pb、Zn等遇到H_2S发生反应而沉淀成矿,并伴生热液白云石等,形成了马元铅锌矿床。综上所述,我们认为马元矿床属MVT型铅锌矿床。  相似文献   

18.
Clay subfractions (SFs) of <0.1, 0.1–0.2, 0.2–0.3, 0.3–0.6, 0.6–2 and 2–5 μm separated from Middle Riphean shales of the Debengda Formation are studied using the TEM, XRD, K-Ar and Rb-Sr isotopic methods. The oxygen and hydrogen isotope compositions in the SFs are studied as well. The low-temperature illite-smectite is dominant mineral in all the SFs except for the coarsest ones. The XRD, chemical and isotopic data imply that two generations of authigenic illite-smectite different in age are mixed in the SFs. The illite crystallinity index decreases in parallel with size diminishing of clay particles. As compared to coarser SFs, illite of fine-grained subfractions is enriched in Al relative to Fe and Mg, contains more K, and reveals higher K/Rb and Rb/Sr ratios. The Rb-Sr age calculated by means of the leachochron (“inner isochron”) method declines gradually from 1254-1272 Ma in the coarsest SFs to 1038-1044 Ma in finest ones, while the K-Ar age decreases simultaneously from 1225–1240 to 1080 Ma. The established positive correlation of δ18O and δD values with dimensions of clay particles in the SFs seems to be also consistent with the mixing systematics. The isotopic systematics along with data on mineral composition and morphology lead to the conclusion that mixedlayer illite-smectite was formed in the Debengda shales during two periods 1211–1272 and 1038–1080 Ma ago. The first period is likely close to the deposition time of sediments and corresponds to events of burial catagenesis, whereas the second one is correlative with the regional uplift and changes in hydrological regime during the pre-Khaipakh break in sedimentation.  相似文献   

19.
Over the past decade researchers working on the rocks of the Beaufort Group in the main Karoo Basin of South Africa have vastly increased our understanding of this important Permo-Triassic sequence. Many new fossil forms have been discovered, allowing for breakthroughs into the biodiversity, biogeography and biostratigraphy of the group. Taxonomic and phylogenetic advances are many and varied, and cover most of the vertebrate taxa, but with emphasis placed on the temnospondyl amphibians, archosauriforms and non-mammalian synapsids, in particular the anomodontia. Biostratigraphic breakthroughs have centered on the Middle Permian Eodicynodon and Tapinocephalus assemblage zones, the Late Permian Dicynodon Assemblage Zone, and the Triassic Lystrosaurus and Cynognathus assemblage zones. Correlation of these biozones with better dated sequences in Europe, Russia and China has allowed for many chronostratigraphic refinements, which are in turn vital for sequence stratigraphical analysis of the basin fill. Based on fossil data, both the lower (Ecca–Beaufort) and upper (Beaufort–Molteno) contacts of the group have been proved to be highly diachronous. The refined chronostratigraphic framework has also allowed for a better analysis of the basin evolution through time, particularly in terms of the correlation of external stimuli that affect basin sedimentation patterns.  相似文献   

20.
藏北羌塘丁固—加措地区康托组的时代   总被引:2,自引:0,他引:2  
自西藏区域地质调查大队创建康托组以来,康托组岩石地层单位广泛应用于羌塘地区,普遍认为其时代为新近纪.笔者于丁固-加措地区的康托组地层中采获古近纪轮藻化石Obtusocharat sp.,O.lanpingenis,Gyrogona qinajiangica和部分孢粉化石,并在康托组底部安山岩中获K-Ar年龄65.1~66.5Ma.上述轮藻组合与同位素年龄指示的地层时代为古新世-始新世,据此将测区康托组的时代确定为古近纪.由于测区康托组之上被唢纳湖组或鱼鳞山组角度不整合覆盖,因此康托组时代的确定不仅进一步完善了测区新生代地层系统,还指示测区在康托组与唢纳湖组或鱼鳞山组之间发生了一次强烈的构造运动.  相似文献   

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