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上限温度
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  upper limit temperature
     When ε-80% and ε=20 s-1, the upper limit temperature of DIFT can be elevated to 945 ℃/ (Ae3+98℃).
     在名义应变ε=80%,应变速率ε=20s-1的条件下形变诱导铁素体相变上限温度为945℃(Ae3+98℃).
短句来源
     At the upper limit temperature of bainite formation,the driv-ing force of γ→α′in 0.8 wt-%C alloy-is about 137 J·mol~(-1),and that of α′→α_B+Fe_3C is—527 J·mol~(-1). If cementite precipitates from the bainitic ferrite,thetotal driving force,i.
     0.8wt %C合金在贝氏体形成上限温度(823K)时γ→α的相变驱动力为137Jmol~(-1),而α→α+Fe_3C的相变驱动力为-527Jmol~(-1);
短句来源
     Upper Limit Temperature of Deformation Induced Transformation of Nb Microalloyed Steels
     铌微合金钢形变诱导相变的上限温度
短句来源
     STUDY ON INFLUENCING FACTORS OF THE UPPER LIMIT TEMPERATURE OF DEFORMATION INDUCED TRANSFORMATION IN MICROALLOYED STEELS
     含铌微合金钢形变诱导相变上限温度影响因素的研究
短句来源
     The incubation period is shortened and the bainite transformation is accelerated by deformation under isothermal condition. The nose temperature of bainite transformation is 500℃,the upper limit temperature for bainite transformation is 600℃.
     在等温条件下,形变不仅缩短贝氏体相变的孕育期,而且促进了贝氏体的相变,贝氏体转变的鼻尖温度为500℃,贝氏体转变的上限温度为600℃。
短句来源
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  ceiling temperature
     The ceiling temperature of polymerization of (p-dioxanone) (PDO) is only 265 ℃, much lower than that of L-lactide or ε-caprolactone.
     由于对二氧环己酮(PDO)单体的聚合上限温度仅265℃,明显低于L-丙交酯、ε-己内酯等内酯。
短句来源
     ON TEACHING CEILING TEMPERATURE IN POLYMERIZATION
     有关聚合上限温度的几个问题
短句来源
     On teaching ceiling temperature in polymerization, three points have been suggested. (1) Ceiling temperature in polymerization and equilibrium temperature are substantially different terms for the same concept.
     本文就聚合上限温度的讲授,提出了三个值得注意的问题:1.聚合上限温度与平衡温度实质上是同一概念的两种说法。
短句来源
  upper temperature limit
     The surface temperature model of the casting without surface crack is obtained as follows: the surface temperature decreases slowly and is corrected over 900 degrees, the upper temperature limit in lower plasticity temperature zone.
     得到 无表面裂纹的铸坯表面温度模型为:表面温度为缓慢下降过程,并在低塑性 温区的上限温度900℃进行矫直。
短句来源
     DMRM play important roles in the respira tion form of early life on earth, the upper temperature limit for life, biogeoch emistry, bioremediation, microbial fuel cell, et al.
     异化金属还原菌对于研究探索古生物呼吸形式、界定生命的上限温度等生命科学问题具有重要研究价值,同时在生物整治、微生物燃料电池等方面具有广阔的应用前景。
短句来源
  “上限温度”译为未确定词的双语例句
     when the cycle up temperature is below 670℃, 4Cr5MoV1Si has better thermalfatigue resistance tham 3Cr2W8V, when the temperature is up to 710℃ thesituation is quite opposite.
     循环上限温度低于670℃,4Cr5MoV1Si钢的热疲劳性能优于3Cr2W8V钢,循环上限温度为710℃时,反而3Cr2W8V钢的热疲劳抗力较好。
短句来源
     Simultaneously the equation of nonlinear regression analytical results showed that the temperature of the highest development point was 28.47℃ in total period, of which the first initial nymph and adult were 28.05℃and 27.17℃.
     并通过非线性回归迭代,得出全代最高发育上限温度为28.47℃,其中若虫和成虫分别为28.05℃、27.17℃;
短句来源
     In addition, the increase of peak temperatures accelerated precipitation of M6C type carbides.
     此外,提高冷热循环的上限温度加速M6C碳化物的析出。
短句来源
     There exists a critical temperature Tc=1.134hg/k which is independent of a detuning frequency △.
     系统存在上限温度Tc=1.134ht/k 与失谐量△无关;
短句来源
     Effect of parameters on strength of the joint was investigated,and the optimum parameters for bonding are as follows: maximum cyclic temperature is 890℃,minimum cyclic temperature is 800℃,number of cyclic times is 10,bonding pressure is 5MPa and heating velocity is 30℃/s.
     研究了工艺参数对接头强度的影响,得到试验条件下钛合金与不锈钢焊接的优化工艺参数为循环上限温度890℃,循环下限温度800℃,循环次数10,焊接压力5 MPa,循环加热速度30℃/s。
短句来源
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  upper limit temperature
The existence of a lower and an upper limit temperature ofβ-PP formation is demonstrated.
      
  ceiling temperature
The ceiling temperature, 367 K, was calculated from 1H-NMR spectra recorded from living poly-(2-isopropenylquinoline) at different temperatures.
      
With substituted tetraphenylethanes as polymerization initiators, telechelic oligomers of ∝ -methylstyrene were obtained above ceiling temperature, contrary so far to other free radical reactions using e.g.
      
The ceiling temperature (Tceil) was determined by linear extrapolation of the In Mn versus 1/T plot to the molecular weight of the monomer.
      
Thermogenicity is under tight biological control, as demonstrated by the fact that the same ceiling temperature is always reached, regardless of ambient temperature.
      
The calorimetric determination of the ceiling temperature for the chemical polymerization of pyrrole
      
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  upper temperature limit
Electrical breakdown in nonuniformly heated gases and the upper temperature limit of the applicability of Paschen's law
      
The worms of strains HT2 and HT3 displayed an elevated upper temperature limit for reproduction (from 26 to 27.5°C), thermostability of locomotion at 36°C, and survival at 37°C as compared with the strain N2.
      
Taking into Account the Upper Temperature Limit of the Metastable States of Condensed Systems in Chemical Thermodynamic Calculat
      
The upper temperature limit of Cyanidium caldarium
      
Field observations of the natural habitats, the temperature maximum for 14CO2 incorporation of natural populations, and the temperature maximum for the growth of cultures of Cyanidium caldarium indicate that the upper temperature limit for C.
      
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The twenty-nine current rice cultivars in the Pearl River Delta(21°30′-23°10′N ),including early-crop and late-crop types,were subjected to 12daylength treatments,both natural and artificial,ranging from 10.0,10.5,11.0,11.5,12.0,12.5,13.0,13.5,14.0,15.0,24.0 hours.The resultsobtained were as follows: 1.Under short-day,long-day,even a continuouse illumination of 24hours condition,early-crop cultivars headed normally without any abnor-mality for heading,so that they are of neutral types,namely photoperiodinsensitive.When...

The twenty-nine current rice cultivars in the Pearl River Delta(21°30′-23°10′N ),including early-crop and late-crop types,were subjected to 12daylength treatments,both natural and artificial,ranging from 10.0,10.5,11.0,11.5,12.0,12.5,13.0,13.5,14.0,15.0,24.0 hours.The resultsobtained were as follows: 1.Under short-day,long-day,even a continuouse illumination of 24hours condition,early-crop cultivars headed normally without any abnor-mality for heading,so that they are of neutral types,namely photoperiodinsensitive.When late-crop cultivars were planted in the early,mid andlate season,they were accelerated heading under the short-day,but delay-ed or never headed under the long-day with a remarkable critical dayleng-th for heading,therefore,they belong to short-day types,namely photo-period sensitive.The growth duration of each cultivar might divide into two growingperiods,days of the former varied more while days of the latter variedless.2.The characteristics of beading response to daylength and tempera-ture of the representative rice cultivars in the Pearl River Delta are:theearly-crop cultivars to be weakly photoperiod sensitive,their growing pe-riod under short daylength and high temperature ranging from medium tolong,and the sensitivity to temperature ranging from weak to medium;Those of late-crop cultivars to be strongly or mediately photoperiod sensiti-ve,their growing period under short daylength and high temperature ran-ging from short to medium and the sensitivity to temperature ranging fromstrong,medium to weak.Based upon the characteristics of response todaylenth and temperature,all rice cultivars tested of which may be classi-fied into eight types,four belong to the early-crop and four belong to thelate-crop.These eight types are symbolised as follows:(1)W-M-W,(2)W-M-M,(3)W-L-W,(4)W-L-M,(5)M-M-M,(6)St-S-W,(7)St-S-M,(8)St-S-St.(W:Weak,M:medium,St:Strong,S:Short,L:long)3.It was found that some late-crop cultivars subjected to daylengthtreatments of 15 hours per day were not able to head while subjected toa continuouse illumination of 24 hours could head.By means of the elec-tron microscope observation,the structure of flag-leaf,treated with 15hours showed close arranged lamellae and small starches within the chlo-roplast,while in the 24 hours treatment,showed loose arrayed lamellaeand larger or more starches.Their role playing in the heading of riceplant remaining to be further studied. Days of bud development Intermediate nearer to earlier UplandDays of boll development Longer than Sea-islandDays from seedling to first boll maturity IntermediatePlant height Taller than either parentNumber of monopodia Less than either parent,but approaching Up landNumber of sympodia More than either parentNumber of fruiting points per plant More than either parentPosition of main stem nodes where first fruiting branch appears Lower than either parentInternode length of axis Longer than either parentInternode length of fruiting branch Longer than either parentPetiole length Longer than either parentLeaf area Larger than either parentLeaf lobe index Intermediate,approaching Sea-islandShedding percentage IntermediateDistribution of bolls in different parts of the plant Approaching Sea-island,most bolls setting at middle and upper parts of the plantWeight of seed cotton per boll IntermediateNumber of ovules per boll Approaching Sea-island in a lower numberMotes percentage More than either parentPistil length IntermediateCorolla area and index Larger than either parentSeed index Larger than either parentLint index IntermediateMaturity Intermediate,approaching late Sea-islandFibre length Longer than either parentFibre fineness Approaching Sea-islandYield in seed cotton Approaching Upland,higher than Sea-islandYield in lint cotton Lower than Upland,higher than Sea-islandProduction of dry matter More than either parentProduction of dry matter per square meter of leaf area More than either parent.Economic productivity (Seed cotton/total dry matter) Intermediate,nearer to lower Sea-island

本文应用珠江三角洲(20°30′~23°10′N)当前推广的早、晚稻29个品种,在自然和人工控制共12级光长处理下进行研究,结果表明:从早、晚稻光周期反应,区分出了早稻属于中性类型。晚稻属于短日性类型。品种出穗日数,在自然光照下,随早、中、迟熟品种而递次增多,随早,中,晚季而递次减少,表现出连续变异性。早稻感光性弱,短日高温生育期中至长,感温性弱至中。晚稻感光性强,短日高温生育期短至中,感温性强至中。光温反应型可分8个型,早稻包括4个型,晚稻有4个型。晚稻有数品种在15小时光照处理下不出穗,24小时连续光照下又出穗。用电子显微镜观察两者的顶叶叶片组织结构,见到前者叶绿体内片层排列紧密,淀粉较小,后者叶绿体内的片层排列疏开,淀粉粒较大,或数量较多。但怎样影响出穗期还待进一步研究。品种出穗期和各个生育阶段的有效积温,采用日平均温度减去水稻生育的下限和上限温度;以12°~26℃计算有效积温,早稻的在早、中、晚季,晚稻的在晚季都最稳定。暗室夜高温(30.1℃)对早稻出穗日数的影响甚微。

This experiment was performed in the temperature-control chamber of thekyushu University BIOTPON institute of Japan from October, 1983 to March,1984. The results of the experiment indicated that differences of the high-marginaltemperature of development were found among the variant temperature responsetypes of rice varieties. If the value of temperature is over the high-marginaltemperature of development, it is ineffective high-temperature. This experimentalso showed that the higher the high-marginal temperature...

This experiment was performed in the temperature-control chamber of thekyushu University BIOTPON institute of Japan from October, 1983 to March,1984. The results of the experiment indicated that differences of the high-marginaltemperature of development were found among the variant temperature responsetypes of rice varieties. If the value of temperature is over the high-marginaltemperature of development, it is ineffective high-temperature. This experimentalso showed that the higher the high-marginal temperature of development, thestronger the temperature response of rice varieties; on the contrary, the lowerthe high-marginal temperature of development, the weaker the temperatureresponse of rice varieties.

根据五个水稻品种在20℃、25℃和30℃条件下从播种到抽穗的天数的变化特点,讨论了不同品种具有不同的发育上限温度的界限,以及发育上限温度与发育有效积温,基本营养生长性三个参数问的相互关系。

By application of the improved KRC model for determination of △G~(γ→α),the total driving forces for transformation and driving forces for growth(nucle-ation)for the several possible mechanisms of the bainitic transformation in Fe-Calloys,i.e.,γ→α+γ_1,γ→α+Fe_3C and γ→α′(the same composition)and α′→Fe_3C+α_B(the composition of the bainitic ferrite)are calculated.The driving forceof γ→α+Fe_3C is the largest,followed by that of γ→α+γ_1 and that of γ→α′isthe smallest.The driving force for growth of γ→α′is far less...

By application of the improved KRC model for determination of △G~(γ→α),the total driving forces for transformation and driving forces for growth(nucle-ation)for the several possible mechanisms of the bainitic transformation in Fe-Calloys,i.e.,γ→α+γ_1,γ→α+Fe_3C and γ→α′(the same composition)and α′→Fe_3C+α_B(the composition of the bainitic ferrite)are calculated.The driving forceof γ→α+Fe_3C is the largest,followed by that of γ→α+γ_1 and that of γ→α′isthe smallest.The driving force for growth of γ→α′is far less than that of γ→α+γ_1.At the temperature range of bainite formation,the driving force for γ→α′ismuch lower than that required for shear mechanism.The driving force for trans-formation of γ→α+γ_1 in 0.1—0.55 wt-%C alloys at B_s temperature is onlyabout -45 J·mol~(-1).At the upper limit temperature of bainite formation,the driv-ing force of γ→α′in 0.8 wt-%C alloy-is about 137 J·mol~(-1),and that of α′→α_B+Fe_3C is—527 J·mol~(-1).If cementite precipitates from the bainitic ferrite,thetotal driving force,i.e.,the sum of the driving forces of the above two processesis only about -390 J·mol~(-1).The above results show that the formation of thebainitie ferrite by shear mechanism is thermodynamically impossible.

以改进的KRC模型决定AG~(γ→α)的方法,计算了Fe-C合金贝氏体相变可能机制:γ→α+γ_1,γ→α+Fe_3C以及γ→α(浓度相同)和α′→α_B~″(贝氏体铁素体碳浓度)+Fe_3C的相变驱动力和长大(形核)驱动力.相变驱动力以γ→α+Fe_3C为最大,γ→α+γ_1次之,γ→α最小.由奥氏体转变成同成分铁素体(γ→α)的长大驱动力远小于γ→α+γ_1的长大驱动力.在贝氏体形成温度范围内,γ→α的驱动力远小于切变机制所需的驱动力.0.1—0.55wt,%C合金在B_s温度时γ→α+γ_1的相变驱动力仅约—45Jmol~(-1).0.8wt %C合金在贝氏体形成上限温度(823K)时γ→α的相变驱动力为137Jmol~(-1),而α→α+Fe_3C的相变驱动力为-527Jmol~(-1);两者相加,即在贝氏体铁素体析出渗碳体的情况下,相变总驱动力也仅有约-390Jmol~(-1).上述结果表明,贝氏体铁素体很难以切变机制形成和长大.

 
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