Based on the Kirchhoff law, according to the relationships between various technical parameters and main specifications (temperature resolving power, temperature measurement sensitivity, relative temperature measurement sensitivity, and temperature measurement accuracy), an optimal method of the practical real-time temperature measurement system using laser diode and LiTaO3 pyroelectric detector is proposed.

基于Kirchhoff定律，依照測溫系統(tǒng)的各主要技術(shù)參數(shù)與各主要技術(shù)指標(溫度分辨力美女被插逼逼、測溫靈敏度色男人天堂网址、相對測溫靈敏度及測溫準確度)之間的關(guān)系，對利用激光并采用鉭酸鋰熱釋電探測器作光電轉(zhuǎn)換器件的實用化實時測溫系統(tǒng)的工作波長進行了進一步的優(yōu)化設(shè)計性欧美日本。

The analysis on the test result shows that the temperature distribution in CFST members caused by solar radiation is nonlinear,and the nonlinear character is most evident when center point of concrete gets its lowest temperature. The temperature of the center point is affected by various directions, especially the strong potential. In the side exposed to the sun in the afternoon, apart from the center point, temperature varies laggardly when the point of concrete in the same series is more close to the center. But in the side not exposed to the sun in the afternoon, temperature varies laggardly when the point of concrete in the same series is more close to the center.

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The study wanted to make clear the index of freeze injury to Lichi. Low temperature data of Fujian province recent years and now, information about freeze injury of lichi in survey and literature were gathered, refering to photo and corresponding low temperature data about five county in winter in 1999 that provided by guangxi research institute of meteorological disaster mitigation; by statistic methods dealing with above information gave the result on the extreme low temperature data gathering by thermometer screen and the freeze injury grade of lichi; correlation analysis on data of freeze injury and the extreme low temperature indicated that the temperature of no freeze injury and slight freeze injury and moderate freeze injury and serious freeze injury and most serious freeze injury is respectively -0.3℃ and -1.9℃ and -3.1℃ and -3.8℃ and -4.1℃; Difference of teperature between every freeze injury grade of lichi turned to disappear when grade increased.

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This means that the residual strain in rolled alloy promoted the aging process. The influence of aging temperature on the room-temperature mechanical properties of 1〓, 2〓 and 6〓 alloys was tested and the results show that the 1〓 alloy without minor element additive is very sensitive to the aging temperature. Over-aging occurred easily when the aging temperature is somewhat higher, so it is difficult to control the aging treatment in production. The 6〓 alloy with combined Mg, Cr, Co additives showed less tendency of over-aging, the alloy can be aged in a wider temperature range and the mechanical property is stable. So the treatment process can be easily controlled.

對不同微量添加元素的1〓、2〓和6〓三種合金經(jīng)熱軋態(tài)時效后的室溫力學(xué)性能表明最新自拍网站，不添加微量元素的1〓合金對時效溫度較敏感国产一区二区三区手机在线观看，溫度偏高時容易產(chǎn)生過時效，且過時效的溫度明顯低于加Mg的2〓合金和同時加Mg久.com、Cr熟女激情视频、Co的6〓合金，這對生產(chǎn)過程中的工藝控制增加了難度玩弄少妇视频在线播放，6〓合金的過時效傾向最小三级视频网站欧美日韩，合金可以在較寬的溫度范圍內(nèi)進行時效啪啪啪精品，力學(xué)性能較穩(wěn)定7160无码视频在线观看，使生產(chǎn)工藝較易控制日韩欧精品无码视频无删节。

White sesame E-zhi NO.2 and black sesame Zhong-zhi NO.9 were sowed at intervals as comber-sesame and autumn-sesame. The temperature and sunlight-length of different growing-stage. The result showed that seedling-stage and bud-ding-stage were temperature-sensitive and weak phototonus and temperature was the main factor in the compositive effect of temperature and light. The temperature range of 27~31℃ was optimal for sesame to produce more flowers and prolong the flowering days, but the length of flowerig-stage and practical sunlight-hour had no correlativity.

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Barrel is the key part of artillery. In shot process, propellent gas of high pressure and high temperature flows in the tube at a high rate of speed, which brings an upheaval to the temperature field of the composite barrel. As to the composite barrel with metal inner, its poor thermal conductivity is more likely to cause uneven temperature distribution and bigger temperature gradient, to produce improper deformation and to make the work temperature of metal inner rise, all of which will affect the life span of barrel.

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The previous literatures indicate the inversion temperature exists under superheated steam drying with an atmospheric pressure, when the temperature of superheated steam is higher than the point of inversion temperature, the drying rate of superheated steam is faster than that of air drying, but if the temperature of superheated steam is lower than the point of inversion temperature, the drying rate of superheated steam is slower than that of air drying.

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