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330篇 您的检索式:作者名="SALIN"
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1Evidence of the Pan-Lake Stage in the Period of 40-28 ka B.P. on the Qinghai-Tibet Plateau显示文摘The Qinghai-Tibet plateau is one of major saline lake regions in China, where saline lakes are widespread and constitute an important object of researches on the palaeoclimatic change in the region. On the basis of comprehensive investigations of the evolution of the lake’s surface and sediments on the plateau, the authors have further demonstrated the existence of a pan-lake stage (river and lake flooding stage) on the Qinghai-Tibet plateau during the period of about 40+-28 ka B.P. and analyzed the palaeoclimatic characteristics of the pan-lake period and relationships between the ancient monsoons and the uplift of the plateau since the beginning of the Quaternary.ZHENG Mianping, MENG Yifeng and Wei LejunResearch & Development Center of Saline Lake and Epithermal Deposits,Chinese Academy of Geological Sciences, Beijing 100037 2000Acta Geologica Sinica(English Edition)2000,74,2:22
2Palaeoclihlatic Indicators of China's Quaternary Saline Lake Sediments and Hydrochemistry显示文摘In this paper the authors classify saline lake sediments into the cold, warm and eurythermal phases, reveal the consistency between the zoning of hydrochemical types of modern saline lake water and climatic zoning and give climatic parameters under the conditions of typical cold phase (mirabilite and natron), warm phase (thenar-dite) and slightly warm phase (bloedite) saline lake deposition.ZHENG Mianping, ZHAO Yuanyi and LIU JunyingResearch & Development Center of Saline Lake and Epithermal Deposits,Chinese Academy of Geological Sciences, Beijing 100037 2000Acta Geologica Sinica(English Edition)2000,74,2:17
3Preliminary discussion of low-salinity hydrothermal fluid mineralization显示文摘REVIEWING the history of the geology of mineral deposits, we may find that in the first fifty years of thetwentieth century the magmatic-hydrothermal theory of ore deposition was the most prevalent, whichgave impetus to the development of the geology of mineral deposits. In the 1960s, the drilling of theSalton Sea geothermal field, California, the United States, and discovery and study of the Red Sea seafloor hot brines and large amounts of metal sulfides removed therefrom led to the rise of the brine theory ofmineral deposition, thus elucidating the origin of massive metal sulfides and promoted the discoveryand exploration of metal deposits. After the 1970s and the 1980s, through a study of the hydrothermal ore fluids of modern hotsprings. geologists came to realize that there exist low-salinity hydrothermal ore fluids other thanZHENG Mianping R & D Center of Saline Lake and Epithermal Deposits, Chinese Academy of Geological Sciences, Beijing 100037, China 1999Chinese Science Bulletin1999,44,S2:5
4Primary Study on Quantitative Reconstruction of Middle-Late Eocene Climate in Jianghan Basin显示文摘This paper reports our primary effort in the quantitative reconstruction of paleoclimate based on the thrine in phytoecology of the affinity parent plants in the stratigraphic pollen records. The Eocene pollen data come from our former study on the Mingjia borehole 1 in the Jianghan basin. The fluctuating trend in the parameter curve of climate shows that the climate in the Middle Eocene in the Jianghan basin was more or less comparable with that of the present 22°-26°N, characteristic of a humid, semi humid central southern subtropical climate. The annual temperature at that time dropped by 1 ℃-4 ℃ in the Late Eocene, approximately equal to that of the present 23°-28°N of northern central subtropical climate. However, the climate composite at that time, characterized by higher temperature, small annual range and big fluctuation in precipitation, was quite different from the present one. The average temperature in January in the Middle Eocene, higher than that of today, ranged between 5 ℃ and 9 ℃, indicating that no effect of winter monsoon occurred in the Middle Eocene, though such an effect may have occurred occasionally in the Late Eocene. Major temperature decline is recognized at the depth of 2 100 m in the borehole, as was indicated by the decline in average January temperature, the increase in annual range, and the increase in the deciduous broad leaved types of trees in the spore pollen assemblage. The sharp fluctuation in the annual precipitation, usually raging from 300 to 1 700 mm, was favorable for the migration and accumulation of salty deposit. When the precipitation was lower than 1 000 mm, ephemera shrub increased at the same depth as that of the salty deposit. It is, therefore, deduced that the formation of the salty deposit was attributed mainly to the dry and hot environment in the high mountains and deep basins. The small annual precipitation and the intense fluctuation are favorable for the sustainable accumulation of the salts, which is different from the present salty accumulation in the Northwest China.Tong Guobang Liu Zhiming Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences, Zhengding 050803 Open Laboratory of Saline Lake Resources and Environment, Chinese Academy of Geological Sciences, Beijing 100037 Zheng Mianping Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037 Research & Development Center of Saline Lake and Epithermal Deposit, Chinese Academy of Geological Sciences, Beijing 100037 Wang Weiming Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008 2002Journal of China University of Geosciences2002,13,3:5
5Prevalence of unsuspected thyroid nodules in adults on contrast enhanced 16-and 64-MDCT of the chest显示文摘AIM: To determine the prevalence of unsuspected thyroid nodules on contrast enhanced 16and 64-modified discrete cosine transform (MDCT) of the chest, in a population of adult outpatients imaged for indications other than thyroid disease. METHODS: This retrospective study involved review of intravascular contrast-enhanced MDCT scans of the chest from 3077 consecutive adult outpatients, to identify unsuspected thyroid nodules. Exclusion criteria included history of thyroid cancer, known thyroid nodules or thyroid disease and risk factors for thyroid cancer, as evidenced by their medical records. One of 9 radiologists recorded number of nodules, location and bidirectional measurement of largest nodule, as well as amount of thyroid visualized on the chest computed tomography (CT). Presence of nodule was correlated with age, gender, race and percentage of thyroid imaged. RESULTS: A total of 2510 (2510/3077 or 81.6%) study subjects were included in the data analysis; among them,one or more nodules were identified in 629 subjects (629/2510 or 25.1%), with 242 (242/629 or 38.5%) having multiple nodules. Patients with nodule(s) were significantly older than those without (64 ± 13 years vs 58 ± 14 years, P < 0.0001), and female gender was associated with presence of nodule(s) (373/1222 or 30.5% vs 256/1288 or 19.9%, P < 0.0001). Women were also more likely having multiple nodules (167/373 or 44.8%) compared to men (75/256 or 29.3%, P < 0.0001). The majority of nodules (427/629 or 67.9%) were less than 1 cm. CONCLUSION: This retrospective review revealed a prevalence of 25.1% for unsuspected thyroid nodules on contrast-enhanced chest CT.Sameer Ahmed Pamela T Johnson Karen M Horton Atif Zaheer Saline Tsai Elliot K Fishman 2012World Journal of Radiology2012,4,7:4
6The effects of K^+ growth conditions on the accumulation of cesium by the bacterium Thermus sp. TibetanG6显示文摘The accumulation of cesium by the bacterium Thermus sp. TibetanG6 was examined under different K+ growth conditions. The effects of external pH and Na+ on the accumulation of ce-sium were also studied, and the mechanism involved was discussed. K+ regimes played an important role in the accumulation of cesium by the strain TibetanG6. The quantity of cesium accumulated (24 h) was much higher in K+-deficient regime than that in K+-sufficient regime. The pH and Na+ had different effects on the accumulation of cesium in the two K+ regimes. IR spectra analyses indicated that the biosorption is a process of homeostasis with cesium initially accumulated on the cell wall.WANG Hailei1,2,3, KONG Fanjing1,2,3 & ZHENG Mianping1,2,3 1. R&D Center for Saline Lake and Epithermal Deposits, Chinese Academy of Geological Sciences, Beijing 100037, China 2. Key Open Laboratory of Saline Lake Resources and Environment, Chinese Academy of Geological Sciences, Beijing 100037, China 3. Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037, China 2006Science China(Life Sciences)2006,49,2:3
7Cesium accumulation by bacterium Thermus sp. TibetanG7:hints for biomineralization of cesium-bearing geyserite in hot springs in Tibet,China显示文摘The bacterium Thermus sp. TibetanG7, isolated from hot springs in Tibet, China, was examined for the ability to accumulate cesium from solutions. Environmental conditions were simulated and the effects of pH, K+, Na+ and K+-regimes were then studied to determine the possible role of the bacterium in the formation of cesium-bearing geyserite around these hot springs. In despite of the inhibition of K+ and Na+, the bacterium Thermus sp. TibetanG7 revealed noticeable accumulation of cesium from solutions, with maximum accumulations of 53.49 and 40.41 μmol Cesium/g cell dry weight in Na+ and K+ inhibition experiments, respectively. The accumulation of cesium by this microorganism is rapid, with 40%―50% accumulated within the first 5 min. K+-deficient cells showed a much higher capacity of cesium accu- mulation compared with K+-sufficient cells. It is evident that the bacteria within the genus thermus play a significant role in the cesium assembly. The formation of cesium-bearing geyserite is also considered.WANG HaiLei1,2,3, ZHENG MianPing1,2,3 & HUANG XiaoXing4 1 Institute of Mineral Resources, Chinese Academy of Geological Sciences (CAGS), Beijing 100037, China 2 R&D Center for Saline Lake and Epithermal Deposits, CAGS, Beijing 100037, China 3 Open Laboratory of Saline Lake Resourses and Environment, CAGS, Beijing 100037, China 4 Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100081, China 2007Chinese Science Bulletin2007,52,19:2
8Selective and non- selective autophagic degradation of mitochondria in yeast 显示文摘Kissova I Salin B Schaeffer J 2007Autophagy2007,3,4:1
9Toxic oxygen species and protective systems of thechloroplast显示文摘SALIN M L 1988Physiologia Plantarum1988,72,:1
10Information technology in agri-food supply chain显示文摘Salin V 1998International Food and Agribusiness Management Review1998,1,3:1
11显示文摘Bacri J C Perzynski R Salin D 1990Journal of Magnetism and Magnetic Materials1990,85,:1
12Toxic oxygen species and protective systems of the chloroplast 显示文摘SALIN M 1987Physiologia Plant Arum1987,72,:1
13Information Technology in Agri-Food Supply Chains显示文摘Victoria salin 0,,03:1
14Kraft training under Vibration seinwirkung显示文摘SCHLUMBERGER A SALIN D SCHMIDTBLEICHER D 2001Sportverletz Sportschaden2001,15,:1
15Isolation and characterization of an ironcontaining superxide dismutase from an eucaryote Brassica Campestris显示文摘Salin M L Bridges S M 1980Arch: Biochem Biophys1980,,201:1
16Toxic oxygen species and protective systems of the chloroplast显示文摘Salin M L 1987Physiol Plant1987,72,:1
17General toxicity and reproductive screen of liquid propellant XM46 administered in the drinking water of sprague- dawley rats 显示文摘Kinkead E R Wolfe R E Salins S A 1995Toxiclogy and Industrial Health1995,11,2:1
18Toxic oxygen species and protective system of the chloroplast显示文摘SALIN M L 1987Physiologia Plantarum1987,72,:1
19Live transportation of Macrobrachium rosen- hergii (De Man) in chilled sawdust 显示文摘Salin K R 2005Aquaculture Re- search2005,36,:1
20Toxin oxygen species and protective systems of the Chlo- roplast 显示文摘I Salin M L 1988Physiol Plant1988,72,:1
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