溫度變化幅度 的英文怎麼說
中文拼音 [wēndùbiànhuàfúdù]
溫度變化幅度
英文
temperature range limit- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 幅 : Ⅰ名詞1. (布帛、呢絨等的寬度) width of cloth 2. (泛指寬度) width; size 3. (姓氏) a surname Ⅱ量詞(用於布帛、呢絨、圖畫等)
- 溫度 : [物理學] temperature
- 幅度 : range; scope; extent; [古詞] latitude; breadth; [數學] argument; [電學] amplitude
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Based on xi ' an region meteorologic measurement relative humidity and temperature profile data in cloud cover, the log - amplitude scintillation deviation a, calculated in terms of the cn2 model compare with values predicted by means of ortgies model at 10 ~ 30ghz. it is shown that the c, 2 model can be applied at the continental climate area as xi ' an area. finally, on earth - space paths, by applying a modif
根據西安地區氣象觀測有雲覆蓋時溫度和濕度隨高度變化的數據,在10 30ghz ,應用該c _ n ~ 2模型計算了幅度閃爍標準偏差,也與ortgies模型預測值做了比較;表明該c _ n ~ 2模型是可用於象西安這樣的大陸型氣候地區。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。As a result it enhanced the water - retaining and fertility - retaining capacity, strengthened the anti - scour and anti - erosion ability. 3. sabaigrass can meliorated the little entironment of purple soil bare slope field the results show that sabaigrass treatment and grass tree solid plating treatment can reduce n ( nitrogen ), p ( phosphorus ) and k ( potassium ) erosion, increase soil nutrition element content, it also increase soil water content and soil pondage, decrease soil water evaporation, strengthen the anti - drought ability
龍須草能改善紫色土荒坡地的小生境龍須草純種植被和林草立體種植植被能不同程度地增加土壤的有機質和速效n 、 p 、 k的含量;增加土壤含水量和貯水量,減緩和減少土壤的水分蒸發,增強土壤的抗旱能力;降低土壤盛夏的地表最高溫度,減少地表溫度變化幅度。The temperature variations during a year have maxima at the poles, where the annual variation of the inflow of solar energy is also maximum.
兩極地區一年溫度變化極大,太陽能入射量的年變幅也極大。Setenaly according to the analyses from selected profiles, we know that, it is cold and dry in this region during the early holocene when east asian winter monsoon ' s influence is obvious, so, it is a transition period from sand deposit to sandy soil deposit, when the layers become thinner gradually from north to south. during middle holocene, it is warm and humid, influenced evidently by east asian summer monsoon, so, it is an obivious pedogenesis, when there are generally well - developped holecene palaeosol ( so ) from north to south, and the pedogenesis in the south is better than that in the north, the soil is also thicker than that of the north. from late holocene to now, the climate changes to be dry and cold, but its changing scope is smaller than that of last glacial period
2 、就所選剖面分析來看,本區在全新世早期氣候回返,相對較寒冷乾燥,東亞冬季風影響較明顯,此時為沙層堆積向砂質土壤過渡,自北至南堆積的沙粒漸細;全新世中期氣候溫暖濕潤,東亞夏季風影響顯著,此時為明顯的成壤期,表現在自北至南普遍可見發育較好的黑壚土層,且南部的成壤作用比北部好,土壤的厚度也要大;全新世晚期至今,氣候向乾冷方向轉化,但變化幅度遠小於末次冰期。The results from x - ray diffraction demonstrated that pp / mmtome was a fully intercalated nanocomposite, pp / mmtom and pp / ommt were partly intercalated nanocomposites, but the intercalation effect of pp / mmtom nanocomposite was better ; the crystallization characteristics of pure pp and pp / mmt nanocomposites were investigated by dsc, waxd and pom. the result of these testing showed that mmt nano - layers acted as nucleating agents for the crystallization of pp, the addition of mmt had effect on the crystallization process, leading the increasing of crystallization temperature crystallization rate and crystallinity, but also the dimension of spherulite reduced. but the formation of pp crystal did n ' t change, the formation of pp crystal in three pp / mmt nanocomposites and pure pp were a - form on the whole ; influences of three sorts of mmt on mechanical properties of pp / mmt nanocomposites were studied, as a result, the addition of mmt comprehensively improved mechanical properties of pp : notched impact strength, tensile strength and flexural properties were all increasing, but the extent of increasing were n ' t large
通過xrd分析比較這三種pp mmt納米復合材料微觀結構得到, pp mmt _ ( ome )屬于完全插層, pp mmt _ ( om )與pp ommt的插層程度相近,但是pp mmt _ ( om )相對較好;通過對純pp和三種pp mmt納米復合材料的結晶性能研究發現,蒙脫土納米片層對pp結晶產生明顯的異相成核作用,結晶能力增強,使pp的結晶溫度和結晶速率提高,結晶度增加,球晶晶粒細化,但是沒有改變pp的結晶形態,三種pp mmt納米復合材料的結晶形態都屬于晶;通過對pp mmt納米復合材料的力學性能測試得知,蒙脫土的加入全面提高了pp的力學性能,缺口沖擊強度、拉伸強度和彎曲性能都有一定程度的提高,浙江{ _業大學碩十學位論文摘要但是提高幅度都不是很大,不過ommt 、 mmtom和mmtc ) me三種蒙脫土對pp力學性能有著不同的改性作用,其中pp / mmtom最好, pp月邊mto崛次之, pp / ommt最低,這種情況主要是由蒙脫土對pp結晶性能的影響和蒙脫土的納米改性作用造成的。The results showed that : there were five stages in the rising process of the internal temperature of untreated, fire - retardant solution soaked, and fire - proof paint coated wood during the fire ; the carbonization rate of wood decreased by 21. 1 % ~ 35. 6 % and the rising speed of internal temperature also declined greatly when wood was soaked in fire - retardant solution or coated with fireproof paint ; the carbonization rate of white pine was 8. 5 % ~ 17. 4 % higher than that of the northeast china ash ; for untreated wood, the carbonization rate in tangential direction was 5. 8 % ~ 10. 5 % higher than that in radial direction ; the internal temperature of wood varies with the developing direction of combustion
結果表明:火災發生過程中未處理木材、阻燃浸漬處理和塗刷防火徐料木材內部溫度上升過程出現5個階段;經過阻燃浸漬處理和塗刷防火塗料后,木材的燃燒炭化速度降低了21 . 1 % ~ 35 . 6 % ,內部溫度上升速度大幅度下降;白皮松木材的燃燒炭化速度比水曲柳木材的燃燒炭化速度快8 . 5 % ~ 17 . 4 % ;未處理木材沿弦向的燃燒炭化速度比徑向快5 . 8 % ~ 10 . 5 % ;木材內部的溫度變化沿燃燒推進方向不同而不同。That means the controlled temperature al1ow waving in a range in a period. when the change of the temperature indoor is out of the range we enacted, the system begin to regulatc. compensate the windage last time leave behind } before decide the heatsupply parameter for the next time
即允許被控室內溫度在一段時間內存在一定幅度的波動,當室溫變化幅度超過設定值時系統開始調節,在確定下一時間段的供熱參數之前對上一時間段的遺留偏差在短時間內給予補償。The quality of buffer layer and thin films was analyzed by afm, xrd, rheed and xps respectively. the effect of the experimental parameters such as carbonization time, working pressure, c source gas flow rate, carbonization temperature, different carbonization gas and substrate on the carbonization process was studied firstly. it was observed that the size of particles was increased with the increase of carbonization time and the rms was opposite, but the trend was reduced while the carbonization time was long enough ; the size of particles was increased with the increase of working pressure too, and choosing a proper working pressure could get a smooth surface ; the size of particles was unobviously changed while the gas flow rate was low, but it was notability increased with the increase of gas flow rate while the gas flow rate was high enough, and a smooth surface could be also obtained by choosing a proper gas flow rate ; with the increase of carbonization temperature, the size of particles was increased, the rms is decreased and a good single - crystalline carbonization layer could be obtained, but a rough surface was formed at a excessive high temperature ; the rms of
對于碳化工藝,側重研究了碳化時間、反應室氣壓、 c源氣體的流量、碳化溫度以及不同種類的c源氣體、基片取向等因素對碳化層質量的影響,研究結果表明:隨著碳化時間的增長,碳化層的晶粒尺寸隨之變大,表面粗糙度隨之降低,但當碳化到一定時間之後,碳化反應減緩,碳化層的晶粒尺寸以及表面粗糙度的變化幅度變小;碳化層的晶粒尺寸隨反應室氣壓的升高而變大,適中的反應室氣壓可得到表面比較平整的碳化層;在c源氣體的流量相對較小時,碳化層的晶粒尺寸隨氣體流量的變化不明顯,但當氣體流量增大到一定程度時,碳化層的晶粒尺寸隨氣體流量的增大而明顯變大,同時,適中的氣體流量得到的碳化層表面粗糙度較低;碳化溫度較低時,碳化層的晶粒取向不明顯,隨著碳化溫度的升高,碳化層的晶粒尺寸明顯變大,且有微弱的單晶取向出現,但取向較差,同時,適中的碳化溫度可得到表面平整的碳化層;相比于c _ 2h _ 2 ,以ch _ 4作為c源氣體時得到的碳化層表面平整得多;比起si ( 100 ) ,選用si ( 111 )作為基片生長的碳化層的晶粒取向一致性明顯更好。For 2h, the osc and special surface area decreased sharply, meaning a bad thermal stability. the osc and special surface area of the samples prepared by precipitation keep very well after aged, exhibiting a promising thermal resistance. while the samples prepared by dipping method have a much more stable osc at different temperature, that is, they have a good thermal stability
研究表明,採用溶膠?凝膠法制備的樣品在老化前具有最大的儲氧量和比表面積,但經高溫老化后,其儲氧量急劇下降,表現出很差的抗高溫老化性能;採用沉澱法制備的樣品在老化前後,其儲氧量和比表面積降幅最小,有良好的高溫熱穩定性能;採用浸漬法制備的樣品不管老化與否,其儲氧量並不隨著儲氧溫度的改變而大起大落,表現出較好的熱穩定性。The application of the b - spline wavelet analysis method to series of climate and external forcing factors is introduced. using lag - correlation analysis method, interpretative variances analysis method, phrase comparing method to the wavelet analysis result, we not only gained the variation at different scales of the global temperature and el nino signals, the location of the jump points and latent scale of these series, but also indicated the magnitude, extent of the effect of external forcing factors on them
利用小波分析方法,輔之以滯后相關分析解釋方差分析及位相對應比較方法,得到了氣溫變化及enso活動在各尺度層次上的變化,突變點位置及特徵尺度,並確定了太陽活動火山活動和溫室效應等外強迫因子對氣溫及enso的影響尺度幅度及響應時間。The air absorbed by the fans is separated in and equably flows in the interior and outer canister, from to the heater and interior canister, the air is efficiently heat - treated, then the hot air influxes to and is balanced in because of the mixing by the heater, the hot airs temperature in has only little change, then it is separated completely from to ensure the balance - dryness of the colophony
由鼓風機吸入的空氣在處被分散,于內筒和外筒間均勻地流動,從處進入內筒和加熱管進行有效地熱交換。然後熱風在處匯集,在處無序混亂的熱內被均化。由於加熱箱熱風混合效果的作風,處的熱風溫度變化幅度很小,熱風經熱風排出口被完全均勻地分散開,從而保證了樹脂均勻乾燥。The most obvious sea temperature difference appears between 500m and 600m and the variable amplitude in southern hemisphere is larger than that in northern hemisphere
模擬的海溫,海溫溫差最明顯的地方出現在500 ? 600米之間。南半球的變化幅度要大於北半球,到海洋深層,海溫溫差變化不是很明顯。In harsh climate region, the air temperature changes greatly between winter and summer. rcc dam are usually placed without bulk and longitudinal joints, and left free in winter. thus, it ' s unique thermal stress time - space distribution rule increases the difficulty of temperature control and crack control of rcc dam
由於嚴寒地區冬季氣候寒冷、年內氣溫變化幅度大;碾壓混凝土壩採取通倉澆築、不分縱縫以及越冬長間歇式的施工方法,使其具有獨特的溫度應力時空分佈規律,更增加了碾壓混凝土壩溫控與防裂難度。2. the range of soil co2 concentration varied with soil temperature is not the same for the soil layer and its characters and different vegetation : the varied range of topsoil is higher than that of deep soil at testing woodland ; the varied range of soil layer ( - 20cm ) is the highest than that of the other soil layers ; the range of co2 concentration varied with air temperature begins to increase in turn from woodslay and shrublay to herbage
由於植被覆蓋類型不一樣和所處的層位以及本身性質,表層帶巖溶生態系統各層的coz濃度隨溫度變化的幅度不一樣,林地表層coz濃度變化的幅度比深部大,裸地土下e0 。 zcoz濃度變化的幅度比表層和底層大,林層、灌層和草層coz濃度變化的幅度依次變小。According to thermal state similitude model experiment of the langya mountain hydropower station, we adopt different velocity of air ventilation and exclude air proportion of upriver and downriver, this paper contrast the air distribution of the dynamo floor on each method, and educe the best projects of arch crest supply air that adapt to langya mountain hydropower station ’ s dynamo floor : g = 17. 4 10 ~ 4m ~ 3 / h, 22 vents, d = 600mm, the scale of volume 1 : 3, t0 = 16. 9. it ’ s also thought that improved any side of volume can reduce its temperature. when study on the air supply of langya mountain hydropower station ’ s underground dynamo floor by cfd software, it proved that cfd software is correct when compare with model experiment. when arrange the number of 5 kinds of vents, it concluded that the number of vents 14 to 22, it can ’ t change velocity, in 36 to 40 can lead to reduction of velocity. when vent in 14 to 36, the parameter kt doesn ’ t change, when the number is as large as 36, kt reduces
在此基礎上,模擬了5種風口布置方案和送風量的改變對發電機層溫度場和速度場的影響,獲得了些可供參考的結論:在風量和送風速度不變的條件下,風口個數在( 14 ~ 22 )小范圍變化時,工作區平均風速基本不變,大幅度增加風口個數( 36 ~ 44 )就會導致工作區平均風速的降低,風口數在14 ~ 36之間對工作區的溫度不均勻系數影響不大,當風口數> 36時,溫度不均勻系數隨著風口數的增多而變小,速度不均勻系數一直隨著風口數的增加而減少;在風口布置和尺寸不變的情況下,送風量變化時,工作區平均溫度隨送風量增大而降低,平均溫度的降低量逐漸趨于減少,能量利用系數先是隨著送風量的增加而增大,后隨送風量增加而減少。The pid parameters is transmitted to field equipments by hart data frames to make the systems work smoothly. high precision sensors, if working temperature varies between great ranges, will be affected badly
由於傳感器實際工作環境的溫度變化幅度是很大的,對于高精度的傳感器,溫度誤差已成為提高其性能指標的嚴重障礙。This research indicated all these factors can reduce the transformation temperature, but the range of reduction and the influence on the microstructure of powders were not identical. among these factors, alumina sol seeding was the most effective
研究表明,上述幾種因素均能降低相變溫度,然而溫度的降幅以及對最終粉體微結構的影響是不同的,其中,影響最大的是氧化鋁膠體籽晶的添加。The character of surface radiation and energy expended over soil temperature variation is that the temperature variation at surface, 5cm depth and 10cm depth are approximately sine curve on clear and cloudy day while this way the temperature variation at 20cm depth shows small extent anti - phase variation and the temperature under 50cm is no diurnal. in contrast, the temperature at 5m, 10cm and 20cm shows linear decrease and the soil - surface temperature is concaved on rainy day
地表輻射和能量耗散反映在土壤溫度變化上的特徵是晴天和陰天地表、 5cm 、 10cm的溫度變化表現為準正玄曲線, 20cm深處的溫度變化呈現出幅度很小的反位向變化, 50cm以下地溫已不存在日變化特徵;雨天5cm 、 10cm和20cm的溫度呈線性遞減,地表溫度表現出由降雨引起的凹陷現象。When the treatment time lasted to 5min, the first peak appeared, compared with the control, the peak reaches 104. 10 %
低溫處理后, sod 、 asp和pod三種酶都有升高的趨勢,但是變化幅度有明顯得差異。分享友人