Methods for improving the safety appraisal of dam are suggested: for ordinary concrete arch dams and gravity dams,the equivalent stress FEM can be used,while for important dams the whole building course simulation FEM is much better.
指出通过全面温控、长期保温,可结束"无坝不裂"的历史。
Analysis on key points for construction control in summer high-temperature period of high-performance concrete
高性能混凝土在夏季高温期施工控制要点浅析
ABSTRACTPesticides and short period high temperature are 2 most important factors that threaten the survival of diamondback moth (Plutella xylostella (Linn.
以农药、短期高温这两个小菜蛾生存与为害的最重要影响因素为依据,以试虫生存率、生长发育速度、农药敏感性为考察指标,研究短期高温对小菜蛾主要为害龄期3龄幼虫耐药性的有利作用与不利作用,研究结果如下:对试虫的保护作用:在30℃预处理2h后,试虫对阿维菌素的LC_(50)为0。
The objective of this study was to determine the detrimental effects of prolonged high temperature on cucumber leaves and roots.
本试验中以"新泰密刺"为材料,研究了长期高温(32~38℃)和适温(22~29℃)对黄瓜叶片和根生理生化特性的影响。
Analysis on key points for construction control in summer high-temperature period of high-performance concrete
高性能混凝土在夏季高温期施工控制要点浅析
During the hot spell this summer, Father took us to the lake.
在今年夏季的高温期间,爸爸带我们到湖边去。
Study on Human Body Comfort in Air Conditioned Room during the High Temperature in Summer
夏季高温期间空调房间人体舒适度研究
The hot season is very long.
高温时期持续很长。
Genetic Basis Research on High Temperature Resistance in Anthesis of Special Heat Tolerance Rice N22
特异耐高温水稻N22开花期耐高温遗传基础研究
records the highest and lowest temperatures reached during a period of time.
记录在一定时期的最高温度和最低温度的温度计。
SHTS with aluminathermic reduction stage
带铝热还原期的自蔓燃高温合成
Impact of High Temperature at Flowering on Midseason Rice Yield
水稻花期高温对产量的影响研究(英文)
SHORT-TERM HIGH-TEMPERATURE THERMAL SHOCK FRACTURE OF 12 CrlMoVg STEEL AND FINITE ELEMENT ANALYSIS THEREOF
12Cr1MoVg短期高温冲击断裂有限元分析
Effects of Long Term Night Sub-Low Temperature and Long Term Day Sub-High Temperature on Eggplant Growth and Development;
长期夜间亚低温和长期昼间亚高温对茄子生长发育的影响
A high - temperature thermostat.
高温恒温度,高温调节器
Influence of air temperature change to ground temperature and pear tree development period at Xifeng of the Loess Plateau;
气温变化对西峰黄土高原地温与梨树发育期的影响
Carbide Transformation Rule of 12Cr1MoV Steel Serviced for Long-Term at High Temperature Studied by Isothermal Aging Simulation
等温时效模拟研究12Cr1MoV钢在长期高温服役过程中碳化物的转变规律
At the same time, low-temperature superheater keeps on running under the high temperature for long time, microstructure appears globular carbide configuration, and bearing capacity of materials at high temperature declines.
同时,低温过热器长期高温运行,组织已出现珠光体球化现象,管材高温承载能力降低。
We anticipate a long spell of hot days this summer
我们预期今年夏天高温天气将持续多日。
Expose specimen in specified high and low temp, duration and cycles.
暴露样品于规定的高低温、持续时间和周期中。
Life Prediction of Cr9Mo Furnace Tube after Long-term Service at High Temperature;
高温长期服役后Cr9Mo炉管剩余寿命的研究
The Testing Study of Temperature Limit and Pressure Drop for Oil-gas-water Mixed Transportation during Extracting Oil of Highly-Watery;
高含水期油气水混输温度界限及压降试验研究