Atmospheric precipitation

The evolution of reflectivity in the Doppler images was coincided with the mode of the classic heavy precipitation supercell storm.And there was an obvious structure of heavy precipitation supercell storm in the vertical sectional drawing.Furthermore,there were also a mid-cyclone and a vertical wind shear in the process.At last,the factors related to the hailstone were analyzed.

新一代天气雷达图像上强度图的演变与强降水超级单体模式相吻合；剖面图上显示出强降水超级单体的明显结构；存在着中气旋和中等到强的垂直风切变；分析了此次过程中出现冰雹的相关因子。

The research result demonstrated that the non-linear feature of water confluence is affected by precipitation time period, additional to precipitation intensity which is known by hydrologist.

结果显示，除了过去我们认识到的降水强度对于径流过程有着非线性作用以外，降水的时间对于径流过程也有十分明显的驱动作用。

There were many reasons attributed to this phenomenon: macromolecules, which were from raw material such as polysaccharides and proteins decomposed incompletely in the process, formed precipitation through biochemical reaction, many kinds of bacteria were not removed totally after fermenting, which caused bacterial precipitation, Fe3+ from fermenting equipments combined with polyphenol and proteins to form infusibility complex.

中文摘 要：食醋在其保质期内经常出现混浊现象，其原因主要有：原料中的大分子物质，如多糖、蛋白质等分解不彻底，后经过生化反应形成沉淀物质；发酵完成后，食醋中的各种微生物未及时清除，从而造成的菌体性沉淀；以及由于生产设备中的Fe3+与原料中的多酚、蛋白质等大分子形成的不溶性络合物所造成的沉淀。

Based on DEM data and by using GIDS method as the interpolation formula, it is derived that there is a latitudinal distribution of annual precipitation, and the precipitation is closely related to landforms.

空间分析是以DEM数据为基础，采用梯度距离平方反比法作为差值公式，得出整个流域的年降水量呈纬向分布特征，降水量的大小与地形分布有着十分密切的关系。

Through analysis of potential vorticity in isobaric surface field, in high-troposphere a positive potential vorticity disturbance before rainstorm generation;positive potential vorticity disturbance in high-troposphere downward, form one vertical disturbance column, now corresponding precipitation develop stage;When near ground arises negative potential vorticity disturbance, precipitation also weaken.

通过对等压面的位涡分析，发现在暴雨发生发展时，在对流层高层有正位涡向下扰动，在暴雨的发展鼎盛阶段，从对流层中高层到地面形成一个垂直扰动柱；位涡柱对地面气旋的发展有较好的指示性，位涡柱形成时刻前后降水达到最强；当近地面出现负的位涡扰动时，降水随之减弱。

Under the invariable air temperature and sunlight, the relatively high precipitation influences on vegetation mainly distribute in semi-arid and arid regions. The analysis on lag correlation coefficient indicates: vegetation activities are mostly influenced by precipitation and the influence has a delay of 20 days.

从华南经华东到华中地区，随着年积温的降低，绿度始期变化不大，绿度末期提前趋势明显，绿度期逐渐缩短；由华北、陕晋经内蒙至西北地区，因水分条件的变化，干旱指数逐渐增大，绿度始期逐渐推迟，绿度末期大致提前，植被绿度期逐渐缩短。

Analysis of lag correlation suggests that minimum cloud hydrometeors leads the maximum precipitation rate by 4-5 hour, and maximum cloud hydrometeors lags maximum precipitation rate by 1-2 hour.

滞后相关分析表明，降水率的峰值到来之前4-5小时云中水凝物含量最少，降水率的峰值到来之后1-2小时，云中水凝物含量最多。

Since Doppler weather radar can detect the radar echo reflectivity factor and the radial velocity of precipitation at the same time, it has considerably deepened our understanding of the physical mechanism of precipitation and the rainstorm dynamics, and can largely improve the warning and nowcasting capacity of rainstorms, hails, squall line and tornadoes with its wide use.

多普勒天气雷达能够同时测量降水的雨强分布和目标的运动速度，使得人们在降水物理和风暴动力学方面的认识有很大提高，它的广泛使用会大大改善暴雨、冰雹、雷雨大风和龙卷等灾害性天气的警戒和短时预报能力。

The results showed that in the four rehabilitated forests, the previous month's soil moisture content had stronger effects on the current month's soil moisture content in 0-40 cm and 20-40 cm layers, but had lesser effects on that in 0-10 cm layer. The soil moisture content in 20-40 cm layer was mainly affected by current month's precipitation, while that in 0-10 cm layer was mainly affected by current month's evaporation. The correlation coefficient between current month's precipitation and soil moisture content was the largest in pure Liquidambar formosana plantation, and the auto-interrelation coefficient of soil moisture content was larger in mixed forests than in pure L. formosana plantation.

结果表明：研究区各重建森林前一个月的土壤含水量对当月整个土壤剖面(0~40 cm)平均土壤含水量和当月20~40 cm土层土壤含水量具有较强影响，对当月0~10 cm土层土壤含水量的影响较小；研究区各重建森林20~40 cm土层土壤含水量主要受当月降水量的影响，0~10 cm土层土壤含水量主要受当月蒸发量的影响；在4种森林重建模式中，枫香纯林当月降水量与当月土壤含水量的相关系数最大，混交林模式土壤含水量的自相关系数大于纯林模式。

Contemporary artificial rainfall is artificial rainfall basically is principle of basis nature rainfall, launch activator from the ground through the plane is spread or using tall artillery piece, rocket, wait like silver iodide, dry ice, liquid nitrogen, drop cloud layer temperature thereby, form supersaturation lunt; to perhaps condense to the boardcast sowing in the cloud layer that contains supersaturation lunt nucleus, increase the ice crystal amount in the cloud, increase the amount of drip-drop and diameter then, raise cloud precipitation change rate, achieve the goal that raises precipitation of bureau ground nature thereby.

二、现代的人工降雨人工降雨主要是依据自然降雨原理，通过飞机播撒或利用高炮、火箭从地面上发射催化剂，如碘化银、干冰、液氮等，从而降低云层温度，形成过饱和水汽；或者向含有过饱和水汽的云层中撒播凝聚核，增加云中的冰晶数量，进而增加雨滴的数量和直径，提高云降水的转化率，从而达到增加局地自然降水的目的。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"