Based on the definition of desertification from the United Nations Convention to Combat Desertification,the potential extent of desertification in China was revised by employing Thornthweite's and Penman's formulae to calculate humidity index using the records of 671 meteorological stations from 1950 to 1990,and the biogeographical features of the climate types were clarified.
为了客观反映中国荒漠化发生区域,按照联合国防治荒漠化《公约》的定义,利用1950—1990年间全国671个气象站的长时间序列气象数据,分别采用Thornthwaite和Penman计算可能蒸散量的方法计算了湿润指数的分布,然后根据中国气候区划和中国植被区划以及中国荒漠化发生的特点等对计算结果进行了调整,对中国荒漠化潜在发生范围进行了修订,明确了荒漠化各气候类型区的地理涵义。
Kira′s warmth index(WI),coldness index(CI)and XU′s humidity index(HI)of 112 dominants and main companions have been calculated.
根据中国亚热带常绿阔叶林区域的气象资料和植物分布资料,利用Kira的温暖指数(WI)和寒冷指数(CI)及徐文铎从中变化出的湿润指数(HI)计算了中国亚热带常绿阔叶林112个优势种及常见种的水热指标值,分析了树种分布与气候的关系,并将优势种及常见种划分为5个Kira水热指标分布类群,它们是:G1低温半湿润型,G2低温湿润型,G3低中温湿润型,G4高中温湿润型,G5高温湿润型。
The Earth s surface humidity index is able to objectively reflect the conditions of water-heat balance,and a fine indicator to judge aridity or wetness of the climate in a certain area.
地表湿润指数能较客观地反映某一地区的水热平衡状况,是判断某一地区气候干旱与湿润状况的良好指标。
Changes of humid index and borderline of wet and dry climate zone in northern China over the past 40 years;
中国北方地区40年来湿润指数和气候干湿带界线的变化
By using the 34-year data from the Fuzhou weather station, the distribution characteristics of potential evaporation and humid indexes are analyzed.
利用福州市气象站基本气象资料,分析了近34年来地表潜在蒸散量和湿润指数的变化特征。
5° grid data of monthly precipitation and monthly mean air temperature are used to establish a humid index to detect the dry/wet variation at the surface.
5°网格点月降水和月平均气温资料,利用一个能够用于检测地表干湿变化的湿润指数,对中国北方四个典型地区干湿演变特征及与北太平洋年代际振荡的关系进行了初步的分析。
This article makes use of the deductive result of interrelated theory of moieture index anddry denilty,get the distribution area of climatic type of moisture index desertificalion from dry dersity deduc-tion.
本文根据荒漠化气候类型湿润指数区划法的结果和我国一直沿用的干燥度法气候区划资料,结合我国特定的气候、自然地理条件对其进行了对比和深入的分析认为,直接利用湿润指数法对我国进行气候类型划分,其结果大体上与我国的气候特点是一致的,但也存在一些差异,表现为:这种划分使我国的湿润区面积有所扩大,达到国土总面积的62。
The moisture index(May to July) time series M(i), since 1310 A.
本文通过用树木年轮资料重建的祁连山地区5~7月份1310年以来的湿润指数序列,建立了一个反映该地区湿润指数年际变幅序列,对这两个序列分别进行了等级分类和干湿、强弱的时段分析,并用最大熵谱分析法对这两个序列的不同时段分别进行了周期分析。
Spatio-temporal changes of wetness index in China from 1975 to 2004
1975-2004年中国湿润指数时空变化特征
Based on the meteorological record of selected 616 weather stations in China during 1975—2004,reference evapotranspiration(ET0) was calculated by using the Penman-Monteith equation recommended by FAO,and the wetness index was also estimated from precipitation and ET0.
选取全国616个地面气象台站1975—2004年的地面资料,通过Penman-Monteith公式计算的参考蒸散确定湿润指数(W),按W为0。
Considering the lack of agriculture drought index in China, Palmer moisture anomaly index is introduced.
根据Palmer气象干旱指数(PDSI)的中间量Palmer湿润指数原理,计算了西北地区东部冬小麦农气观测站延安、咸阳等多个站点1961—2000年逐月Palmer湿润指数,对各站点的冬小麦不同发育期的旱涝情况做了初步的验证和应用。
Palmer Moisture Anomaly Index is based on the water balance equation.
介绍了Palmer湿润指数原理,并利用西北东部西安等站点1961—2000年逐月降水量、气温资料对该指数进行应用性试验。
The experimental results show that the values of wettability index decrease with the increase in adsorption of asphaltine in crude, which causes the decrease of relative permeability to oil.
实验结果表明,岩心润湿指数随沥青质吸附量的增加而减小,从而导致油相的相对渗透率降低。
Spatio-temporal changes of wetness index in China from 1975 to 2004
1975-2004年中国湿润指数时空变化特征
The time series analysis of the earth's surface humidity index change in the north of Xinjiang
基于时间序列的北疆地区地表湿润指数变化分析
Spatial distribution and trend of moisture index along Xingjiang highway in the recent 50 years
新疆公路沿线近50多年来湿润指数区域特征及变化趋势
Climatic change of terrestrial surface humid index and its impact factors over Tibet in recent 35 years
西藏近35年地表湿润指数变化特征及其影响因素
Moist, rich, soft, and loamy.Used of soil.
(指土壤)湿润的,富饶的,柔软的,肥沃的
ASSESSMENT INDICATOR SYSTEM FOR SUSTAINABLE DEVELOPMENT OF WATERFRONT SANDY LAND IN SUB-HUMID AREA
亚湿润区沿河沙地可持续发展指标体系研究
Stimulate the clitoris with short, then long strokes, with either your tongue or your moistened fingers.
用湿润的手指和舌头长短结合得刺激她的阴唇。
Profit Zone Index Model:A Form of the Quantitative Analysis in Enterprise Profit Zone
利润区指数模型:企业利润区定量分析范式
ELECTROHYDRODYANMIC SIMULATION OF DROPLET DYNAMICS IN ELECTROWETTING DROPLET MICROFLUIDIC CHIP
电润湿液滴微流控芯片液滴驱动的EHD数值模拟
He had known she was getting wet and he gently touched her wet pussy with his finger.
他知道她已经湿润了,用手指轻轻的、地触弄她的阴部。
Dampness, especially of the air.
湿度湿度,尤指空气湿度
Watering frequency can be maintained under moist concrete in the state to decide.
浇水次数应根据能保持混凝土处于湿润的状态来决定。
Wetting-force data on filaments of any diameter and shape can easily obtained.
各种直径和形状的长丝的润湿力数据是易于测量的。
They liked the cold wet weather there and their number increased year by year.
糜鹿喜欢那里凉爽湿润的气候,因此它们的数量逐年增长。
The Study of a Prognostic Index for Primary Invasive Breast Cancer;
女性原发浸润性乳腺癌预后指数的研究
Thermal Spring Nourishing Cream
温泉水保湿滋润面霜
glyceryl ricinoleatec
柔软润肤保湿、乳化剂
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