溫度變幅 的英文怎麼說
中文拼音 [wēndùbiànfú]
溫度變幅
英文
range of temperature-
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。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。So it is very important to understand the cyclic deformation behavior of zircaloy - 4. in this paper, bauschinger effect of zircaloy - 4 with different metallurgical state at room temperature and 400 ? is investigated in an incremental step test and cyclic deformation test under constant strain control. bauschinger effect during cyclic deformation is described by using back stress, which is mainly responsible for bauschinger effect ; back stress is attained by using kwl " s method
本文採用單試樣逐級加載循環變形和恆應變幅循環變形試驗,研究了不同冶金狀態、溫度、氫以及固溶處理下的zr - 4合金的bauschinger效應現象;種種結果表明,影響bauschinger效應的主要因素是背應力;本文正是從背應力的角度來分析各種狀態下zr - 4合金的bauschinger效應現象;背應力的計算主要通過使用kwl方法而獲得。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。Moreover, the addition of wollastonite rose the thermal distortion temperature of the sls part, improved the dimensional accuracy of the sls part, and lowered the material cost greatly
同樣,加入硅灰石后,可使燒結件的熱變形溫度大幅度提高,同時提高了燒結件的尺寸精度,大大降低了材料成本。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 resuts showed that the annual average temperature had an increasing trend ; summer, autumn and winter average temperature also had an increasing trend and the amplitude in winter was bigger ; the change of standard deviation and coefficient of variation were acute during winter ; the coefficients was bigger ; the change of standard deviation and coefficient of variation were acute during winter ; the coefficients of skewness were positive value during summer and autumn ; the kurtosis coefficients were bigger during winter
得出如下結論:和田地區年氣溫有增加的趨勢;夏季、秋季、冬季氣溫也有增加的趨勢且冬季氣溫值增幅較大;標準差及變差系數都是冬季變化較為劇烈;偏度系數在夏季及秋季為正值;峰度系數值在冬季較大。The extent of the behavioral change of the francois " leaf monkey who lives in worse habitat is much wider than the one who lives in better habitat. in better habitat, it is natural factor, such as surrounding temperature and energy of food, to change the whole day ' s behavior of the francois " leaf monkey as the primary influencing factor. but in worse habitat, it is the human factor, including crops cultivating or harvesting and human disturbance activities, to change the whole day ' s behavior of the francois " leaf monkey as the primary influencing factor
3 、萬家黑葉猴主要行為全年發生時間量相對固定,主要行為和次要行為分化明顯,而香菇壩黑葉猴主要行為發生時間量季節性變動大,相對全年來說主要行為和次要行為分化不明顯;生境較差的黑葉猴其季節性的行為改變幅度遠大於生境較好的黑葉猴;在生境較好的地方,黑葉猴季節性的全日行為改變主要影響因素是溫度和食物能量等自然因素,在棲息條件差的地方,黑葉猴季節性的行為改變主要影響因素則是農作物和人為活動等人為因素。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 system is able to efficiently increase temperature and meet crop requirement of temperature for yield. in researching and designing solar energy conserving system in soil for active greenhouse, it adopts instrument of rhlog, tests temperature of six layers to soil temperature, and draws various curve of temperature. it shows the system can efficiency increase soil temperature and reduces change range of temperature in greenhouse in wintertime
在研究和設計主動式溫室太陽能地下蓄熱系統中,採用溫度自記儀器,測試了室溫及土壤中六個不同深度的溫度數據,繪制了相關溫度變化曲線,該曲線表明了主動式溫室太陽能地下蓄熱系統能有效提高冬季溫室土壤的溫度,並且減小了日溫變化幅度。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。Inability to adapt to changes in ph levels and salinity and temperature changes when introduced into the pond
適應蝦池酸鹼值鹽度及溫度大幅度的變化。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。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。It is concluded that increase of temperature in csp matrix is of great extent, and is in dependence with impact velocity, rate of deformation and thermorheologic
分析計算表明:撞擊變形條件下粘性加熱使推進劑基體溫度顯著上升,溫度升幅與撞擊速度、剪切變形、推進劑熱流變特性密切相關。分享友人