溫度勢 的英文怎麼說
中文拼音 [wēndùshì]
溫度勢
英文
potential, temperature-
The anharmonic effect of atomic vibration taken into account and from the potential energy which reacts each other among atoms, boltzmann statistical principle used, the relation formula of temperature and the distance change between atoms and coefficient of linear expansion is derived
摘要考慮原子振動的非簡諧效應,從原子間相互作用勢能入手,運用玻爾茲曼統計原理,推出了原子間距的變化與溫度的關系式,並導出了固體的線脹系數。The cline is considered the probable result of geographic trends in precipitation, temperature, and perhaps also photoperiod.
人們認為這種梯度變異可能是降水量,溫度也許還有光周期等地理趨勢造成的結果。On the basis of foreign documents, the dissertation firstly describes the morphology, taxonomy, and biological characters of cochineal insects. then, by using artificial climate cases in the lab, according to orthogonal design, 8 lands of combinations of temperature, humidity and light is set, while the temperature has four levels : 15, 20, 25 and 30, and the relative humidity has two levels : 60 % and 80 %, while the light also has two levels : 980 lux and 60 lux. through observations and analysis of hatching percentage, survival percentage of the first instar and during from the second instar to the adult, the population tendency index, generation life cycle, size and eggs of female adult, the development of the cochineal under different conditions is studied
在收集、整理國外對胭脂蟲的研究資料基礎上,首先從胭脂蟲的形態學、分類學、生物學特性入手,進而在實驗室內利用人工氣候箱,應用正交設計方法,設計了4種溫度、 2種濕度、 2種光照梯度的不同組合,通過測定胭脂蟲的孵化率、 1齡若蟲的存活率、 2齡若蟲至成蟲期存活率、種群趨勢指數、世代歷期、雌成蟲的大小、懷卵量等生物學指標,深入研究胭脂蟲在這些組合下的生長發育狀況,應用數理統計方法,分析出溫度、濕度和光照對各項生物學指標的影響,找出胭脂蟲適宜的室內培育條件,並為野外胭脂蟲的培育提供一定的理論依據。With 24 c or 4 c, the change trends of the content of the salidroside was basically consentaneous in the consecutive cultural eras of the callus. in the callus from the different explants, the influence was maximal to the the activity of pal enzyme and the influence was lowest to the the activity of ca4h enzyme, and the influence to the the activity of tal enzyme was ascertained according to the explant of the callus. so in the same explant with the different temperature or in the different explant with the same temperature, there was no incident between the content of the salidroside and the activity of enzymes pal, ca4h and tal, and we presumed that there may be emphasized particularly on different metabolic pathway of salidroside
( 2 ) 、愈傷組織的外植體來源、培養溫度條件和不同的繼代培養數都影響著其中紅景天甙的含量和苯丙氨酸解氨酶( pal ) 、肉桂酸解氨酶( ca4h )和酪氨酸解氨酶( tal )這3種酶的活性;不管是葉來源還是莖來源,不管是24培養還是4培養的愈傷組織,在連續繼代培養中紅景天甙含量的變化趨勢基本上是一致的;無論是葉來源的愈傷組織還是莖來源的愈傷組織,培養溫度對pal酶的酶活性影響最大,對ca4h酶的酶活性影響最小,對tal酶的酶活性影響視不同的外植體來源而定;在相同外植體來源的愈傷組織中及不同的培養溫度的條件下,或是在不同外植體來源的愈傷組織中及相同溫度的培養條件下,其紅景天甙含量與pal酶、 ca4h酶和tal酶的酶活性之間沒有完全一致的對應伴隨關系。At first, analysis of extreme temperature ' s spatial distribution of variety trend shows that the minimum temperature in the north are going up while the maximal temperature in east china declining widely, which is a numerical characteristics of prevailing warmer - winter in recent years. so the change of minimum and maximal temperature are dissymmetrical
首先從總體上,分析極端最高和極端最低溫度變化趨勢的空間分佈:北方地區極端最低溫度普遍上升,且幅度較大,是近年來暖冬盛行的一個數值化特徵;極端最高溫度在東部普遍下降,最低最高溫度變化具有不對稱性。Temperature coefficient of electromotive force
電動勢的溫度系數Water transmitting rate of unsaturated soil also increased with the increasing of relative partial molal free energy variation, and relative partial molal enthalpy variation, in case that soil water content was constant
結果表明,在同一溫度條件下,提高土壤水勢可增加土壤非飽和導水率,呈現黃綿土> ,土。With the mechanics simulation of temperature load and time independent, it is on time made to monitor the corresponding load displacement field and the change tendency at any time, and is monitored the dam work regularity
並對溫度和時效進行力學的模擬,使其及時監測在任何時刻所對應荷載的位移場和變化趨勢,從而監控大壩的運行性態及規律。The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased
本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化,結果表明:採用普通工藝焊接時,葉片焊后殘余拉應力出現在焊縫及其附近區域,並且在葉片出水邊的熔合線附近(危險區域)出現了峰值;在採用優化的分段焊時,先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值,降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比,與冷卻面積成反比,並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。The sgr ( spherulite growth rate ) of phbv is related to crystallization temperature. with the increase of temperature, sgr increase first then decrease. some sample ' s sgr will increase again at high temperature area
Phbv的球晶生長速度與時間無關,隨溫度的升高有先上升後下降的趨勢,部分樣品在最後球晶速度會再次上升。Standard test method for thermal emf test of single thermoelement materials by comparison with a reference thermoelement of similar emf - temperature properties
與有相同電動勢溫度性能的標準熱電偶相比較測定單個熱電偶材料的熱電動勢的標準試驗方法High deposit temperature leads to transmission falling of the unannealed films. but the average transmission of sample deposited at 500 is higher than that at 450
未經退火的薄膜透過率隨沉積溫度升高而呈現下降的趨勢,但500樣品比450的平均透過率高。Undertaking isotopic geochronological study on ar - ar, adopted the fast - neutron activation dating technique to test 40ar - 39ar age of quartz from au - bering quartz veinlet ore in the deposit, and well - defined plateau age of 210. 59 ma ?. 92 ma, the lowest apparent age of 208. 07 ma ?. 22 ma, and isochron age of 207. 14 ma ? 1. 92 ma
通過流體包裹體顯微測溫學研究,表明金礦床的均一溫度成礦早階段為270 320 ,成礦主階段為170 250 ,成礦晚階段為110 250 ,呈逐漸降低的趨勢,低溫成礦作用明顯。Tensile strength ( ts ) and elongation ( e ) of zein films decreased with the decreasing of freezing storage temperature ; the emc increased with the decreasing of freezing storage temperature, but then it had a little decrease ; with the decreasing of freezing storage temperature, the wvp of zein films showed an increase
隨著凍藏溫度的降低,蛋白膜的抗拉強度和延伸率都呈下降的趨勢;蛋白膜的平衡水分含量隨凍藏溫度的降低先上升,而後又略有下降;水蒸氣透過率隨凍藏溫度的降低而上升。Rufifacies, peak 16 ( unknown ) and 25 ( 11 -, 13 -, 15 - methyl - hentriacontane ) for b. peregrina and peak 3 ( unknown ), 4 ( tricosene ) and 23 ( unknown ) for p. crassipalpis. additionally, the models were developed respectively to determine the larval age of different flies accurately. 2 temperature effects of time - associated characteristic in cuticular hydrocarbons of aldrichina grahami larva highly significant correlation were observed between the relative abundance of some larval cuticular hydrocarbons associated with gas chromatographic peaks and the chronological age of al
2溫度對巨尾阿麗蠅幼蟲表皮碳氫化合物組成時間特徵的影響及日齡推斷模型的建立巨尾阿麗蠅幼蟲表皮碳氫化合物組份色譜峰,即p30 (二十五烯a ) 、 p33 (正二十五烷) 、 p48 (二十七烯a ) 、 p49 (二十七烯b )和p79 (正三十一烷)含量與幼蟲日齡呈極顯著相關,且在不同恆溫( 16 、 20 、 24和28 )下的變化趨勢基本一致。In order to determine the concentration or supersaturation in crystallization process, an online test apparatus was set up based on the relationship between the concentration and the electroconductivity at a temperature for binary electrolyte systems, which was also used in similar fields to measure the electrolyte concentration
根據二元電解質溶液體系的濃度與電導率和溫度之間的關系,建立一電導率在線測量裝置,可在一定范圍內測定溶液的濃度或過飽和度。實驗得到與hlozny等人基本一致的溶液電導率變化趨勢。As the temperature of the second coagulation bath increases, the water flux increases and the clearance rates of urea and creatintine first increase then decrease and increase a little at last
隨著第二凝固浴溫度的上升,水通量一直上升,肌肝和尿素的去除率先是上升,然後下降,最後又有略微上升的趨勢。( 5 ) based on 1 - d horizontal tests for coupled movement of soil water, salt and heat transfer, theoretical analyses on the influence of temperature gradient on soil water and salt movement were conducted
西安理工大學博士學位論文( 5 )根據水平一維土壤水鹽熱耦合遷移試驗,分析了溫度勢梯度對水鹽運動影響的機理。Seepage influences on the temperature distribution by means of heat transfer and communication, temperature influences on seepage field by changing the hydraulic conductivity and inducing fluid flow because of the temperature potential, thus finally approaching the stable seepage and temperature fields
滲流通過參與熱量傳遞與交換影響溫度分佈,溫度通過改變介質滲透系數和溫度勢梯度引起水流運動來影響滲流場,兩者相互作用最終達到穩定的滲流場和溫度場。The results indicate that soil water moves from the warm end to the cool end in both gaseous and aqueous phases under temperature gradient, which causes changes of matric po
研究表明,在溫度勢梯度影響下土壤水分以液態和汽態兩種狀態從暖端向冷端遷移,從而引起暖端基質勢的相應改變,導致水分在兩種勢梯度交互作用下逐漸達到平衡。分享友人