threshold temperature

The wave velocity, permeability and porosity of rocks changed obvious around the threshold temperature.

在阈值温度附近岩石波速、渗透率和孔隙度变化幅度最大；

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The calculated threshold temperature is found to be in good agreement with the experimental laser-starting temperature, which indicates the resonance radiation trapping is a significant factor in establishing the population inversion of the resonance to metastable transition lasers.

发现计算得到的阈值温度与实验报道的开始产生激光的工作温度一致，表明共振辐射俘获效应是这类激光形成粒子数反转的一个重要机制。

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The results showed that the developmental threshold temperature and effective accumulated temperature were different for different developmental stages, and the requirement for both were not identical for different developmental stages.

结果表明，家蝇在不同发育阶段发育起点温度和有效积温不同，且不同发育阶段对两者的要求也不一致。

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the temperature crosses the threshold temperature of 10 million degrees, protons start to fuse,

温度超过了阈温度之上一千万度，质子开始融合，

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The developmental threshold temperature and effective accumulated temperature of Euproctis pseudoconspersa larvae

茶毛虫各龄幼虫的发育起点温度和有效积温

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Measurement of the Developmental Threshold Temperature and Effective Accumulated Temperature for Camphor Silkworm Eggs

栗蚕卵发育起点温度和有效积温的测定

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The resonance radiation trapping in alkaline-earth metal atomic lasers were investigated according to Holstein's theory. The threshold temperature, ground-state density and resonant level effective lifetime of the resonance radiation trapping were calculated for Ca, Sr, and Ba atomic vapor lasers with different tube radii.

根据Holstein理论研究了碱土金属原子激光中的共振辐射俘获效应，分别计算了Ca，Sr和Ba蒸气激光在不同半径时产生共振辐射俘获效应的阈值温度、基态粒子数密度和共振能级的有效寿命。

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The developmental threshold temperature of 1~ 4 instar nymphs and whole nymph stage are estimated to be 12.5,7.8,10.3,4.1 and 9.3 ℃ respectively, and the effective accumulated temperatures for these stages are 14.6,43.9,29.9,31.9 and 117.2 degree-day respectively.

依据有效积温法则计算的1～4龄若蚜和全若虫期的发育起点分别是12.5,7.8,10.3,4.1和9.3℃，有效积温分别是14.6,43.9,29.9,31.9和117.2日.度。

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The threshold temperature of MA on ice nucleation in laboratory is around-1 ℃.

室内实验测定介乙醛的成冰阈温在-1℃左右。

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The combination of 4 temperature grades from 35 ℃ to 50 ℃ and 5 relative humidity grades ranging from 50% to 90% was tested to investigate the lethal threshold of the fungus.

侵染的影响，比较研究了35～50℃4个温度梯度、50%～90%5个湿度梯度组合处理对病菌的致死作用。

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Note: There are two types of temperature indicators: threshold and integrator.

注意: 这里包括两种温度指示器: 阈值指示器和积分指示器.

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This temperature is threshold temperature and permeability of rock mass still increased rapidly when temperature beyond the threshold.

经过门槛值温度之后岩石的渗透率随温度升高而迅速增加，不同的岩体其温度的门槛值是不同的。

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But High-latitude Tieling and Jinan populations did not get good acclimation effect. ( 4) The developmental threshold temperature and effective accumulated temperature of 4 populations were analyzed with the liner regression method and the optimum seeking method.

而北方的铁岭、济南种群的低温驯化效果不显著。（4）应用直线回归法和直接最优法计算了中华稻蝗4地理种群卵的发育起点温度和有效积温。

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Studies on the developmental threshold temperature and thermal constant of Rhopalosiphum padi ( Linnaeus) at variable temperature

变温条件下禾谷缢管蚜发育起点温度和有效积温研究

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It compensates for the temperature characteristics of the resistor and the threshold voltage VTH in such a way that the reference current has small temperature dependence.

主要利用电阻的温度系数与阈值电压VTH温度系数相同的特性实现温度补偿原理。

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The developmental threshold temperature of adult was 12.9 ℃.

越冬成虫开始出蛰活动的起点温度亦为12.90℃。

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" If climate change increases the frequency of days when the temperature quickly exceeds the threshold temperature, then entire cohorts of mosquitoes could fail to develop the parasite," said Thomas.

“如果气候变化增加了温度迅速超过极限温度的天的频率，整群蚊子可能无法让疟原虫发育。”Thomas说。

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Analysis of Threshold Voltage Temperature Coefficient for Short Channel MOSFETs

短沟道MOST阈值电压温度系数的分析

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Analysis of the Main Factors and Threshold Temperature on the Sunburn in Vitis C.V. Red Globe

红地球葡萄日灼病阈值温度及主要影响因子分析

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Two methods were adopted to calculate the threshold temperature and effective temperature sum, and coefficient of variation was used in tests.

对试验结果采用了2种方法计算发育起点温度和有效积温，并用变异系数进行检验。

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The developmental threshold temperature is 8.35 ℃ and the effective cumulative temperature is 273.82 day degree.

食蚜瘿蚊从卵到成虫的有效积温和发育起点温度分别为273.82日度和8.35℃。

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The pain threshold temperature of a mouse is ( 43.1 ± 1.8) ℃, which is not related with its weight, initial temperature of the skin and irradiated power density.

鼠的热痛阈值温度为（43.1±1.8）℃，这一阈值与鼠的质量、初始温度、辐照功率密度等无关。

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The threshold temperature is dependent on the magnetic field.

使纠缠消失的阈值温度也受到磁场的影响。

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The output power of high-power semiconductor lasers is greatly influenced by the temperature change, small temperature change can cause large fluctuation in output power and wavelength, threshold current and life will be affected.

大功率半导体激光器的输出功率受温度变化的影响很大，微小的温度变化就会导致输出功率很大的波动，而且波长、阈值电流和使用寿命也会受到影响。

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According to the rule of the effective accumulative temperature, the hatching speed, developing threshold temperature and developing synchrotron of Artemia eggs from 12 major geographical strains in China have been studied.

依据有效积温法则，对中国12个主要地理品系卤虫卵的孵化速度、发育起点温度及其发育同步性作了分析。

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Studies on developmental duration at different temperatures, developmental threshold temperature and effective accumulated temperature were also carried out.

同时还研究了不同温度下椰心叶甲幼虫的发育历期、发育起点温度和有效积温。

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The threshold temperature and effective accumulative temperature of the egg were about 13 ℃ and 456.7 degree-days respectively, and the optimum temperature for its development was about 25 ℃.

卵的发育起点温度约为13℃，有效积温为456.7日度，发育最适温度在25℃左右；

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Effect of threshold temperature and critical energy for spacecraft charging

阈值温度、临界能量与航天器带电特性

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The threshold temperature is-2 ℃.

阈温为-2℃。

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The present paper reports its habits, development, and durations of all stages and its life history. The threshold temperature for development of eggs is 11.49+ 0.53 ℃.

本文报导了此虫的年生活史及各虫态的生活习性、发育进程与历期，并测得其卵的发育起点温度为11.49±0.53℃；

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