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极端温度
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  extreme temperature
     Based on daily mean surface temperature of 110 stations over China from 1951 to 2000, trends of days and intensity of extreme temperature over arid and semi-arid area of China have been analyzed, and the trend of annual extreme temperature and differences among regions were shown;
     建立在全国110站的日平均表面温度资料的基础上,着重分析了北方干旱和半干旱地区1951~2000年极端温度发生频率和强度的变化趋势,同时给出了年极端温度变化的变化趋势及区域差异;
短句来源
     The 2nd and 3rd instar nymphs were found more tolerable to extreme temperature and had higher optimal temperature than 1st and 4th instar nymphs.
     模拟分析表明 ,菊小长管蚜发育速率随温度的升高而加快 ,2、3龄若虫较 1、4龄若虫对极端温度的忍耐性强 ,发育最适温度高 .
短句来源
     The space environment refers to an environment far away from the earth's surface and different in many respects from the surface of the earth,where animal cells will be influenced by all kinds of space factors,including mainly space radiation,extreme temperature,high vacuum,micro-magnetic field and the special environment in spacecrafts,namely,that of microgravity.
     空间环境是指远离地球表面的宇宙环境,它与地球表面环境有所不同,处于其中的动物细胞可能受到各种影响。 空间环境中的主要因素包括空间辐射、极端温度、高真空、微磁场以及搭载动物细胞的航天器中的特殊环境——微重力环境。
短句来源
     Based on the daily maximum and minimum surface air temperature data and precipitation data at 76 observational stations of Guangdong province from 1962 to 2004, with the thresholds of extremes are estimated according to the 95th and 5th percentiles of non-parametric distribution, and using the methods of REOF and Wavelet analysis, the spatial and temporal variation of the extreme temperature and precipitation are analyzed.
     根据广东省76个气象站1962~2004年逐日气温和降水资料,按统计上边缘分布的客观定义,确定了各站的极端温度和降水值、极端温度和降水事件阈值,并根据阈值确定了各站极端温度和降水事件频数,以REOF和小波分析等方法对极端温度和降水的时空变化规律进行了研究,结果表明:
短句来源
     The results showed that soil erosion were lower with 57.1%~71.4% than conventional cultivation. It was effective to mitigate extreme temperature in autumn and winter, enhance soil water retention, and increase soil biology diversity and its multitudes, especially the earthworm higher with over 1.5 times than conventional cultivation, by straw mulch. The weeds weight accounted for 9%~57% and the potato productivity increased 33%~77% in relative to conventional cultivation.
     结果表明:坡耕地秸秆覆盖栽培秋马铃薯能减少土壤泥沙流失57.1%~71.4%,有效降低地面秋冬季节极端温度,提高土壤渗蓄保墒能力,增加土壤生物多样性和数量,特别是蚯蚓的数量明显增加,比对照高2倍以上,稻草和玉米秸秆杂草量仅为对照的9%~57%,马铃薯产量增幅为33%~77%,增产效果明显。
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  extreme temperatures
     The influence of the durations of extreme temperatures on the mortality of California red scale was tested by use of the conbinations of three extre- mes of temperatures,namely,-2,+5 and +45℃;
     测定了极端温度(-2,+5及+45℃)持续时间(0至8小时)对红圆蚧 Aonidiella aura-ntii(Mask.)
短句来源
     The spatial distributions of the frequency trend-coefficients of extreme temperature events have opposite relation with that of the extreme temperatures.
     极端温度事件的趋势系数空间分布与相应极端温度值的趋势系数空间分布具有很好的对应关系。
短句来源
     The study indicated that the scopes of temperature change were decreasing in recent 40 years except in April,November and December,and the extreme temperatures tended to mitigation.
     表明近40年各月(除4月、11月、12月)宁夏气温变化范围正在逐步减小,极端温度趋于缓和.
短句来源
     The leading factor of the variations is caused by the extreme temperatures of the original places of Pinus armandi.
     华山松各产地的极端温度是其种源变异的主导因子。
短句来源
     PERFORMANCE OF HELICOVERPA ARMIGERA AT EXTREME TEMPERATURES
     极端温度对棉铃虫发育和存活的影响
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  “极端温度”译为未确定词的双语例句
     In NanQiao countryside, the monthlyincidence rate and the mosquito density correlated positively with monthly mean temperature, monthly maximum temperature and monthly minimum temperature(P < 0.01), negatively with the difference of month extremity temperature(P < 0.01).
     而南桥乡月按蚊密度与月平均温度、月最高温度和月最低温度均呈正相关(P<0.01),其中与月极端温度差值呈现负相关(P<0.01),逐步多元回归分析得到,㏒ D=0.03188T_(mean)(其中D为月按蚊密度,R~2=0.936,P=0.000);
短句来源
     The temperature tolerance value δ was 6 70 for the 2nd and 3rd instars,and 4 70 and 4 50 for the 1st and 4th instars,respectively.
     2、3龄若虫的极端温度忍耐值δ为 6 70 ,最适发育温度为 2 1 76℃ ,最高发育温度为 4 0 97℃ ;
短句来源
     3) the interdecadal relation between the mean n variability of average temperature in summer and the extreme maximum temperature events is weak.
     并且与极端温度事件频数的相关关系要好于与极端温度事件强度的相关关系。 3)夏季平均温度均值、变率与极端高温事件在年代际尺度上联系不大。
短句来源
     Using T106 Data to Make The Ruling Forecasting of Maximum and Minimum Temperature
     用T106数值产品制作甘肃省极端温度逐日滚动预报
短句来源
     The optimal temperature for the 2nd and 3rd instar was 21 76 ℃,and the highest development temperature was 40 97 ℃,while for the 1st and 4th instar,the optimal temperature was 23 76 ℃ and 22 49 ℃,and the highest development temperature was 39 97 ℃ and 40 56 ℃,respectively.
     1、4龄若虫极端温度忍耐值δ分别为 4 70和 4 5 0 ,最适发育温度分别 2 3 76℃和 2 2 4 9℃ ,最高发育温度为 39 97℃和4 0 5 6℃ ;
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  extreme temperature
The recurrence and intensity of extreme temperature drops during the growing seasons of the past six centuries were reconstructed.
      
In particular, the extreme temperature range on Mercury may result in latitudinal variations in the size distribution of npFe0, and therefore the spectral properties of the soil.
      
The possibility of using this material for the manufacture of thermomechanical couplings intended for the design of extra reliable thermomechanical joints operating under extreme temperature conditions is considered.
      
To achieve a suitable resolution, with this particularly exacting high-temperature application, a short 5 m capillary column of extreme temperature stability has been used.
      
A method is developed that enables one to model extreme temperature regimes for heterogeneous reactions, to study the mechanisms of structure formation at a microscopic level, and to perform micrography of the process of interaction.
      
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  extreme temperatures
The TT strain proved to be more resistant to extreme temperatures.
      
Thermoregulation and Blood Circulation in Adults during Short-Term Exposure to Extreme Temperatures
      
Two groups of male and female subjects aged 36-50 years were examined prior to and after short-term exposure to extreme temperatures.
      
Response of microbial communities of Lake Baikal to extreme temperatures
      
They protect plants against overexcitation in strong light and dissipate the excess of absorbed energy, they scavenge reactive oxygen species formed during photooxidative stress and moderate the effect of extreme temperatures.
      
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The influence of the durations of extreme temperatures on the mortality of California red scale was tested by use of the conbinations of three extre- mes of temperatures,namely,-2,+5 and +45℃;by seven durations, namely,0,0.5,1,2,4,6 and 8 hours.Results indicated that most of the mortalities at the low constant temperature(+10℃)were smaller than those at extremes of low temperatures(-2 or+5℃)with O-hour dura- tion;but no difference was found for the 3rd instar or the 2nd moult female. However,there were few significant...

The influence of the durations of extreme temperatures on the mortality of California red scale was tested by use of the conbinations of three extre- mes of temperatures,namely,-2,+5 and +45℃;by seven durations, namely,0,0.5,1,2,4,6 and 8 hours.Results indicated that most of the mortalities at the low constant temperature(+10℃)were smaller than those at extremes of low temperatures(-2 or+5℃)with O-hour dura- tion;but no difference was found for the 3rd instar or the 2nd moult female. However,there were few significant differences in the mortality between the constant temperature of 25℃ and the extreme temperature of 45℃ with the O-hour duration;the only big difference was for the 1 st moult red scale and the 2nd moult male red scale. Results also indicated that subjecting the 3rd instar red scale to differ- ent durations of high temperature(+45℃)did not affect the reproduction of the surviving adult female scales.

测定了极端温度(-2,+5及+45℃)持续时间(0至8小时)对红圆蚧 Aonidiella aura-ntii(Mask.)死亡率的影响,同时观察了红圆蚧在+10℃和+25℃恒温下的死亡率.在低温实验中,除了3龄雌虫及第二脱皮阶段雄虫外,红圆蚧大多数龄期、虫期在极端温度-2或+5℃的死亡率明显高于+10℃恒温时的死亡率。在高温实验中,红圆蚧在极端温度+45℃与在+25℃恒温下的死亡率相似;+45℃高温仅对第一脱皮阶段红圆蚧(不分雌雄)及第二脱皮阶段雄虫死亡率有明显影响。经历过+45℃高温处理的3龄雌虫,如能存活下来,成虫生殖能力与在+25℃恒温下生活的虫子相比没有差异。

Based on the data of field experiments by split-plot experimental design, the effect of key eco-climatic factors on the growth and development of early Cotton "Jing 6" under natural field conditions and the effect way were studied by progressive regression method.Results showed. The main eco-climatic factors affecting the process of growth and development of cotton are temperature, length of sunshine and soil moisture. Temperature is the most important factor. The main factorsare soil temperature before the...

Based on the data of field experiments by split-plot experimental design, the effect of key eco-climatic factors on the growth and development of early Cotton "Jing 6" under natural field conditions and the effect way were studied by progressive regression method.Results showed. The main eco-climatic factors affecting the process of growth and development of cotton are temperature, length of sunshine and soil moisture. Temperature is the most important factor. The main factorsare soil temperature before the third leaf, daily mean air temperature after the third leaf and length of sunshine in the boiling period. Extreme air temperature is also an important factor. The nonlinear model between the number of days of emergence (D 1 )and the soil mean temperature (X1 ) and soil moisture (X2 )is:D1 =1/(0.1755-0.0122X1-0.0035X2) or D1 =62.34/ (X1-12.49) The linear model of each growing period after emergence is:Di = bi +∑bj Xj

本文在裂区设计田间试验资料基础上,采用逐步回归分析方法,研究了大田自然条件下影响棉花生育的关键气候生态因子及其作用方式.结果表明,温度是影响棉花生育进程的首要生态因子,日照时数和水分因子的影响次之.在三叶期以前主要受土壤温度因子的影响,三叶期以后则主要受日均气温的影响;在花铃期日照时数为主导因子.且极端温度也是影响棉花生育进程的重要因子.建立了主要生育阶段的数学模型,出苗期为:D_1=1/0.1755-0.0122X_1-0.0035X_2或D_1=62.34/X_1-12.49出苗后各生育阶段为:D_i=b_i+sum from j=1(b_1X_1),

The 26 origins of Pinus armandi were used as the test materials. The inheritance and character variations of the 8 years old juvenile forest were analysed. Through the researches, we found out that there were significant differences among different provenances, and there was notable linear correlation between the majority of the characters and the latitudes in their original places. Pinus armandi shows a latitudinal decline. The provenance of Yunnan-Guizhou Plateau grows faster; its biomass yield is high and...

The 26 origins of Pinus armandi were used as the test materials. The inheritance and character variations of the 8 years old juvenile forest were analysed. Through the researches, we found out that there were significant differences among different provenances, and there was notable linear correlation between the majority of the characters and the latitudes in their original places. Pinus armandi shows a latitudinal decline. The provenance of Yunnan-Guizhou Plateau grows faster; its biomass yield is high and its needles are longer and are in small density. The provenance of Qinling-Dabashan Mountains is on the contrary. The leading factor of the variations is caused by the extreme temperatures of the original places of Pinus armandi.

华山松(Pinus armandi Franch.)分布很广,生态条件变化梯度大。对华山松种源幼林(8年生)性状变异的研究表明,种源间存在着显著差异,多数性状与产地纬度有密切的线性相关,呈纬向为主的渐变群。云贵高原种源生长快、生物产量高、针叶长、针叶着生密度小;而秦岭—大巴山区种源则与此相反。华山松各产地的极端温度是其种源变异的主导因子。

 
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