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precipitation precipitation
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  析出
     It has been found that interphase precipitation,fibrous precipitation,precipitation on dislocation,precipitation from supersaturated ferrite at lower isothermal transformed temperature.
     碳氮化物析出相有弥散析出、相间析出、纤维状析出及等温转变温度较低时 ,碳氮化物在铁素体晶内沿位错处弥散析出等形态。
短句来源
     Super high brittle-ductile transition temperature resulted by precipitation, precipitation strengthening and uneven crystal grain are the origin.
     这种波动源于实际工艺造成的析出、沉淀强化及晶粒不均等所导致的脆转温度过高。
短句来源
  “precipitation precipitation”译为未确定词的双语例句
     The four mainly precipitation technology such as homogenous precipitation,stripping precipitation,precipitation in emulsion liquid membrane,and spray precipitation were introduced.
     主要介绍了均匀沉淀、反萃沉淀、乳状液膜沉淀、喷雾沉淀等四种沉淀技术。
短句来源
     The method of removal of protein, 10% Trichloroacetic acid(TCA) precipitation precipitation, was obtained after the effects of Sevag precipitation method(precipitation times also) and TCA (concentration of TCA also) on the removal of protein from yam were studied.
     采用Sevag法及三氯乙酸沉淀法来比较其对山药粗多糖中蛋白质的清除效果,研究Sevag法的沉淀次数及三氯乙酸的浓度对蛋白质的清除率影响,初步确立了山药粗多糖的除蛋白方法为10%三氯乙酸沉淀。
短句来源
     Nanometer ZnS with different particle size were prepared by chemical precipitation,precipitation from homogeneous solution and emulsion method respectively.
     利用化学沉淀法、均匀沉淀法、乳液法合成了不同晶粒尺寸的纳米ZnS。
短句来源
     Nanometer ZnS with different particle size were prepared by chemical precipitation, precipitation from homogeneous solution, emulsion, respectively.
     利用化学沉淀法、均匀沉淀法和乳液法合成了不同晶粒尺寸的纳米ZnS。
短句来源
     Annual runoff, runoff and sediment in flood period varied in the same trend that they have positive relationship with annual precipitation, precipitation in flood period and effective precipitation, but negative with areas of soil and water conservation measures.
     洪水径流量、年输沙量和洪水输沙量变化一致,与年降水量、汛期降水量和有效降水量均呈显著正相关,而与水土保持措施面积呈不显著的负相关。
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  相似匹配句对
     (b) precipitation of hydride;
     (b)在裂纹尖端形成氢化物并长大:k)主裂纹沿氢化物扩展;
短句来源
     precipitation and evaporation;
     降水与蒸发;
短句来源
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  precipitation precipitation
Radium isotopes and210Pb are separated by co-precipitation/precipitation with mixed barium/lead sulphate.
      
However, the slope of the relationship between ANPP and precipitation (precipitation-use efficiency, PUE) has been shown to be different for temporal compared with spatial precipitation series.
      
Precipitation Precipitation is the process of producing solids within a solution.
      


he presented research is a part of the PMIP project (Palaeoclimate Modelling Intercomparison Project)concerning the comparison between the observatory evidence and modelling experiments. The simulated objective is the global moisture condition at 6 000 yr.BP The purpose of the simulation is to verify the changes in insulation exerting the influences on the largescale climatic systems. The observations we used are lake status records which were reconstructed from the various geologic evidence. In fact, the...

he presented research is a part of the PMIP project (Palaeoclimate Modelling Intercomparison Project)concerning the comparison between the observatory evidence and modelling experiments. The simulated objective is the global moisture condition at 6 000 yr.BP The purpose of the simulation is to verify the changes in insulation exerting the influences on the largescale climatic systems. The observations we used are lake status records which were reconstructed from the various geologic evidence. In fact, the lake level change reflects the variation of moisture conditions, particularly the effective precipitation (precipitation minus evaporation) within the lake basin. The results show that all the experiments can reproduce the wetter conditions in African and Asian monsoon areas, therefore, confirming the hypothesis of that the enhancement of AfroAsian monsoon were induced by the seasonal change of solar radiation. But all experiments are fail to produce a broader and more intense monsoon enhancement compared with the geologic records. The cause maybe associated with the “modern”treatment of surface coverage and thermal properties. Most experiments are incapable to model the shifts of westerlies in midlatitudes induced by the change of insulation. Most experiments also fail to reproduce the moisture conditions from the areas where are profoundly influenced by the oceanic currents and sea surface temperature, which is likely to be related with the absence of oceanic function in the models. 

本项研究是PMIP(PalaeoclimateModelingIntercomparisonProject)国际合作项目中有关模型模拟与观测资料对比的一部分。模型试验对象是6000yr.BP的全球湿润状况。模拟试验以检测太阳辐射变化对全球大尺度气候系统的影响为主要目的。观测资料是利用地质证据恢复的古湖泊水位变化,实际上是某一地区的有效降水(降水减蒸发)的变化。通过两者的比较发现,所有模拟试验均能重现6000yr.BP在亚洲南部与非洲北部的湿润环境,从而证实了因太阳辐射变化导致的亚洲与非洲季风的增强。但模拟的季风增强无论是强度还是范围均小于地质记录。原因很可能是模拟试验中下垫面特征用“现代”的来处理。模拟试验对北半球夏季辐射增加造成的西风带北移及由此引起的中纬度地区的气候变化不够成功。绝大多数模拟对受洋流与海温影响较大的地区是失败的。主要原因可能是所有PMIP中的模拟试验都未考虑海洋的作用。

During 1991-1995, field location experiments and macro scale investigations were made to validate the potential precipitation productivity, water use efficiency of crop and its distribution change with time and space in dryland farming areas, semiarid liable to drought, semiarid, subhumid area liable to drought in Northern China. The results revealed the major three constraints for the potential productivity of natural precipitation: precipitation deficiency, low level of soil fertilizer and...

During 1991-1995, field location experiments and macro scale investigations were made to validate the potential precipitation productivity, water use efficiency of crop and its distribution change with time and space in dryland farming areas, semiarid liable to drought, semiarid, subhumid area liable to drought in Northern China. The results revealed the major three constraints for the potential productivity of natural precipitation: precipitation deficiency, low level of soil fertilizer and grave soil erosion.

作物生产潜力可以分为光合生产潜力、光温生产潜力和降水生产潜力,即光温水生产潜力,生产潜力表示了提高能量利用率和物质转化率的可能性。本文从理论与实践相结合的角度对北方旱地作物自然降水生产潜力进行了讨论。1材料与方法试验于1991~1995年在北方半干旱...

The growth of trees is closely relative to the environment and is influenced by the climatic changes. As an important parameter to show the climatic and environment changes, tree-ring width has been paid more attention and applied by lots of ecologists. In this paper, the relationships between tree-ring width and the climatic factors such as temperature (early spring temperature in days, summer high temperature and winter low temperature in the year before last), precipitation (precipitation in and...

The growth of trees is closely relative to the environment and is influenced by the climatic changes. As an important parameter to show the climatic and environment changes, tree-ring width has been paid more attention and applied by lots of ecologists. In this paper, the relationships between tree-ring width and the climatic factors such as temperature (early spring temperature in days, summer high temperature and winter low temperature in the year before last), precipitation (precipitation in and before growing season), solar radiation and CO_2 concentration were reviewed. The application of tree-ring width in the investigation of paleo-climate and forecasting of environment and the trend of the future development were discussed. The development of measure and data analysis methods was summarized. According to the study status of tree-ring width in our country, the suggestions of expanding sample ranges, extending study fields, improving sample and analysis methods, establishing perfect system of tree-ring age and enhancing information communication with foreign scholars were put forward for the further development of tree-ring width study.

树木的生长与立地环境密切相关并受气候变化的影响,树木年轮宽度作为反映气候与环境变化的一个重要参数,已被广大生态学家所重视并应用。本文综述了树木年轮宽度与温度(当年初春温度、前一年的夏季高温和冬季低温)、降水(生长季的降水和生长季前的降水)、太阳辐射、CO2浓度等气候因子的关系及其在古气候环境研究、环境预测等领域中的应用,并对该研究的量测方法和数据处理分析方法的进展作了概述。针对我国树木年轮宽度研究的现状,提出了扩大取样范围、拓宽研究领域、改善取样和分析方法、建立完善的树轮年表体系、加强与国外树轮研究工作者的信息交流等建议,为我国树木年轮宽度研究的进一步发展提供了理论参考。

 
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