precip相关论文
Global patterns and climatic drivers of above-and belowground net primary productivity in grasslands
Understanding patterns and determinants of net primary productivity(NPP)in global grasslands is ongoing challenges,espe-......
Trace Level Rare Earth Elements Separation From Gram Scale Uranium by Calcium Fluoride Coprecipitati
In the fission yield measurement of rare earth elements of uranium induced by neutron,and the analysis of rare earth ele......
Microstructure Evolution and Phase Transformation of Ti–6.5Al–2Zr–Mo–V Alloy During Thermohydrogen T
Thermohydrogen treatment(THT) is an effective way to refine microstructure and improve the mechanical properties of the ......
Climatic response of Pinus sylvestris var. mongolica tree-ring width and precipitation reconstructio
August–June precipitation has been reconstructed back to AD 1720 for the northern Greater Higgnan Mountains, China, by ......
Mineral Components, Texture, and Forming Conditions of Hydrothermal Chimney on the East Pacific Rise
To characterize the hydrothermal processes of East Pacific rise at 9o-10oN, sulfide mineral compositions, textural, and ......
Debris flow prediction is one of the important means to re-duce the loss caused by debris flow. This paper built a regio......
Fe-3Cr-0.5Mo-0.3C and Fe-3Cr-l.4Mn-0.5Mo-0.367C sintered alloys were plasma nitrided at different temperatures. Characte......
Affected zone generated around the erosion pit on carbon steel surface at the incipient stage of vib
The characteristics of erosion pits on a carbon steel surface were investigated at the incipient stage of cavitation ero......
The existing forms of N and Al in HSLC (high strength low carbon) steel produced by TSCR (thin slab casting and rolling ......
Role of heat treatment in the improvement of mechanical properties of a high-quality Al-11Si-1.5Cu-0
The purpose of this study is to prepare a high-quality Al-11Si-1.5Cu-0.3Mg casting alloy with a good combination of stre......
POC fluxes from euphotic zone estimated from ~(234)Th deficiency in winter in the northwestern North
Dissolved and particulate 234 Th, particulate organic carbon(PON), nitrogen, and chlorophyll-a concentrations in the upp......
InGaN layers capped with GaN were annealed at 550℃ for 1 hour. During annealing, cracks appeared and dissolved In GaN p......
Proteomic comparison of four maize inbred lines with different levels of resistance to Curvularia lu
Protein profiles of leaves in four maize inbred lines with different disease resistance to pathogen Curvularia lunata (W......
Applicability Assessment of the 1998–2018 CLDAS Multi-Source Precipitation Fusion Dataset over China
Traditional hourly rain gauges and automatic weather stations rarely measure solid precipitation, except for those stati......
Distribution and deposition of polycyclic aromatic hydrocarbons in precipitation in Guangzhou, South
Polycyclic aromatic hydrocarbons (PAHs) were measured in precipitation from March to August 2005 in Guangzhou, South Chi......
Biosorption mechanisms involved in immobilization of soil Pb by Bacillus subtilis DBM in a multi-met
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工业纯铁（厚度为1 mm）经580℃气体渗氮4 h 后进行不同方式（油淬，炉冷）的冷却，然后对油淬的试样进行自然时效和100～220℃的人工时效。采用 ......
目前在市政净水处理厂和企业生产用水处理厂由于斜板发生型变、位移、滋生藻类造成滑泥不顺畅甚至堵塞致使最后的水处理工艺出水水......
试样经硝酸-氯酸钾饱和溶液分解，于盐酸溶液中，用氢氧化铵-氯化铵沉淀分离。在强盐酸溶液中用二氯化锡溶液还原铁的三价离子，过量的二......
为了找到一种较适合柳州当地的干旱指标,以便更好地开展柳州干旱的研究工作,基于逐日降水资料和实际旱情资料,分别运用EDP指数和降......
利用Thermo—Cale软件对含氮高锰奥氏体热作模具钢凝固过程进行了计算，利用扫描电子显微镜观察分析了退火态组织和析出相，对碳氮化钒......
为了提高大重现期降水设计值精度,研究高阶线性矩（LH矩）法在降水频率分布参数计算中的应用。采用数学变换,推导了P-Ⅲ分布LH矩计算公......
对甘肃省1960-2003年气温和降水序列进行长期变化趋势分析的基础上,根据地统计学原理对20世纪60年代和90年代甘肃省气温和降水时空......
在Al3＋浓度0．6mol·L-1、反应温度60℃和pH=9条件下，研究了硫酸铝滴定氨水（酸滴碱法）、氨水滴定硫酸铝（碱滴酸法）、pH摆动法和并流法......
利用义乌市2007年夏季6次人工增雨的数据，运用Arcview软件，分析这6次人工增雨的动态变化，并就产生这些变化的原因进行分析。......
该区具有２类不同的水－岩作用模型；南部岩溶区以质量，电荷守恒原理构造的线性方程组模型；北部第四系孔隙水以系统化学反应自由能最低降速......
以新鲜蛋黄液为主要原料，探讨了卵磷脂提取过程中料液比、己烷-丙酮体积比、冷冻温度对卵磷脂得率及磷脂含量的影响。结合单因素与......
使用尿素沉淀凝胶、机械混合和等体积浸渍相结合的方法, 制备了一系列的纳米尺寸FeK-M/γ-Al2O3（M=Cd, Cu）催化剂, 采用扫描电镜（SEM）......
为研究澜沧江源区水文气候变化特征,采用线性回归拟合分析方法、M-K非参数检验法对1960—2010年间澜沧江源区的水文气候变化趋势进......
为探讨中国再分析气象数据集CN05.1在流域水文模拟中的适用性潜力,以开都河流域为研究区,分别使用CN05.1数据集和传统气象站数据驱......
为了揭示低涡暴雨发生机制,认识高分辨率的区域数值模式对低涡暴雨类天气的预报能力,应用多种观测资料,NCEP 再分析资料和区域数值......
Diurnal variations in amount,frequency and intensity of warm-season hourly precipitation(HP)at seven levels,which are de......
根据二级湖闸站等四处蒸发站各类型蒸发器（皿）历年逐月水面蒸发观测资料和两处蒸发实验站分析的各类型蒸发器（皿）月蒸发量折算系数，推求......
在氧化镁部分稳定的氧化锆基质中加入不同含量的ZnO，研究烧结，热处理过程中Zn，Mg-PSZ显微结构和相组成的变化。结果表明：ZnO的加入使Zr......
制备了Ti-25V-15Cr-0.2Si和Ti-25V-15Cr-2Al-0.2Si2种阻燃钛合金,分别测试其在不同热暴露和蠕变工艺条件下的热稳定性能和蠕变性能......
Wavelet method is often used in analyzing trend and period of time sequence. When using wavelet method one serious probl......
农业生产中常采用深耕、秸秆还田和施用土壤改良剂等措施促进生土熟化。本研究旨在探索施肥与降水配合对生土棉花根、苗、土及微生......
以Ag^＋作滴定剂,分别用双点滴定法和传统电位滴定法对盐酸左旋咪唑片进行了测定。试液的配制采用了过滤和不过滤两种方法。测定结果......
利用巢湖ACN钻孔，通过多参数磁性测量、粒度和AMS^14C测年分析，探讨了近7000年以来巢湖沉积物磁性特征变化及其控制因素，并进而探讨了......
The general trend of three elements (precipitation, runoff and evaporation) of the water balance of the Changjiang River......
为了从气象学角度揭示中小洪水的形成机理，将降雨与中小洪水结合起来展开分析。利用1981～2012年国家气象站逐日雨量和长江上游主要河......
气候变暖导致蒸发量增加可能是影响气候干湿状况的主要因素,但目前的相关研究大多侧重于汛期降水分析,而缺少蒸发的考虑。根据1980......
根据湖南省1960年-1990年(共31年)的降水资料，运用气候统计学中的经验正交函数展开来寻求湖南省汛期的降水分布类型。通过分析得出......
对进一步认识淮河流域气候变化下的土壤水分资源,调节土壤水分的状况和提高作物产量提供有效的依据。以蚌埠站为例,利用五道沟水文......
综合利用树干液流法和涡动相关技术,对大兴安岭北部寒温带兴安落叶松(Larix gmelinii)天然林的林木蒸腾(T)和生态系统蒸散发(ET)进......
利用电子显微术研究了化学镀Ni—P合金层在260℃等温不同时间的非晶-晶体转变。结果表明,晶体镍首先从非晶态中析出,Ni<sub>3</sub......
The evolution of microstructure on aging of an (α+β) titanium alloy (Ti-5Al-5Mo-5V-1Cr-1Fe) in the β and (α+β) solu......
硼氮(BN ) 的降水和控制在 42CrMo 钢的包括被调查，他们 machinability 上的效果被分析。首先，在 42CrMo 钢的 BN 的降水整齐被理论......
