水的比熱 的英文怎麼說
中文拼音 [shuǐdebǐrè]
水的比熱
英文
specific heat of water-
It is evident that a big kettle containing boiling water will give out more heat than a smaller one.
清楚的是,盛有開水的大水壺要比小水壺放出的熱量多。Steamed millets with water content of 45 % ( broomcorn ) and 42 % ( foxtail ) were inoculated with liquid culture of p. delphacis ( containing mycelial mass of ~ 25 mg / ml ) at a ratio of 20 % ( v / w ) and then incubated at 25 ? and l : d 12 : 12
將菌絲生物量約為25mg / ml的菌絲液按20的比例( v / w )接入經高溫濕熱滅菌並適度熟化、含水量分別為45和42的黍米及粟米中,在25和12l : 12d條件下直接培養,所獲3 17d黍米和粟米培養物的產孢潛能和有效產孢時間因培養天數不同而異。In the paper, theoretic transfer heat model of hhchp is established. after comparing experimental value and estimative value, we deduce that theoretic transfer heat model accords with actual condition, so we can estimate the heat performance of hhchp by theoretic calculation formula
同時建立了蜂窩熱管平板式太陽能熱水器的理論傳熱模型,通過對實驗值和理論值的比較,得出進行簡化后的理論模型在一般情況下與實際的情況是符合的,因此可以用理論計算公式對蜂窩熱管平板式太陽能熱水器的熱性能進行估算。Our companies are willing to co - operate with you by providing the best quality and the most cost effective instant hot - water heater to meet the customer ' s requirements for excoriation and renovation
本公司願意與貴公司合作,為貴公司提供品質優秀、性價比更高的即熱式熱水器,來滿足裝飾和裝修的需要。Also the theoretical basis of the method have been checked through simple deducing simulation and the influences of various physical parameters on the method have been studied. it is shown that the method is theoretically reliable for the production oil wells without very high production rate and is more suitable in field production for oil wells ( i ) in area with bigger geothermal gradient ; ( ii ) producing fluids ( oil and water ) with distinguish thermal characteristics ; ( iii ) producing oil with lower heat capacity or water with higher heat capacity ; ( iv ) with good surface measurement accuracy, as well as the method h as certain requirements on the accuracy of the temperature and flowmeter logs sensors
就該產出剖面方法的理論基礎進行了簡單的正演模擬和可能影響該方法的各項物理參數進行了全面的考察,結果表明,該方法對于非高產的生產油井來說在理論上是可靠的,在實際生產中適合於( 1 ) 、油井所在地區地溫梯度較大的油井; ( 2 ) 、油水熱特性差別較大的油井; ( 3 ) 、油比熱容值偏低水比熱容值偏高的油井; ( 4 ) 、井口計量精度較高的油井,並且對井溫測井和流量測井的傳感性精度有一定的要求。Increscent weight of oxidation, graphic and micrographic were explored, meanwhile, the mechanism of anti - erosion and wear - resistant of new coating material are also studied. at last, a program applied to calculate the temperature distribution and heat transmission between water wall tubes with sprayed coatings and metal anti - erosion tile was developed by use of visual basic
文中最後採用vb6語言計算機編程,計算了不同材料塗層對鍋爐水冷壁管的傳熱效果及徑向溫度梯度的影響,同時與加裝了防護瓦和未加任何防護的水冷壁管進行了比較。For a soil or rock of water - lacked, a heat transfer theoretical model is developed, which is a steady or unsteady, the results show that reservoir temperature, thermal diffusion coefficient, inlet temperature, flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe. it can deduce that intermit running is favorable for this type of soils and rocks
對于貧含水地下巖土層建立了穩態與非穩態傳熱的理論模型,分析結果表明,巖土層的熱儲溫度、導溫系數、埋地換熱器進水溫度、流量以及地源熱泵系統的運行時間或開停機比,都對埋地換熱器的傳熱過程產生直接影響,可以推斷,對于該類型巖土層的地源熱泵系統,採用間歇運行將是有利的。For example, the yis dances can be divided into the 7 major types of axitiaoyue, cigarette case dance, luozuo dance, dage, hugu dance, the sixuan dance and the copper encourage dance ; the peacock dance and xiangjiaogu dance of dai clan which are known for the chinese and foreign also become the different special features because the people create again ; the munaozongge of jingpo clan, baixian dance, fan dance and niugu dance of hani clan, overlord s whip, shangfeiyan of bai clan, lusheng dance of lagu clan, zhongdianguozhang, deqinxuanzi of zang clan, the copper bell dance of the clan of ; the seedling clan jumps ; the production dance of the clan ; the clan pipa dance ; the big drum dance of brown s clan ; the tube - shaped container dance of the promise clan ; " ascend the luo " of the clan of ; the water of the virtuous clan of encourage ; only the cow dance of the dragon clan ; the dance in a chuang of the rice clan ; mongolia " together the is each early " of the clan and create mosslem people s musical play " return to dragon " of the plait etc
比如,彝族舞蹈可分為,阿細跳月煙盒舞羅作舞打歌花鼓舞絲弦舞銅鼓舞7大類聞名中外的傣族孔雀舞象腳鼓舞由於藝人們的再創造,也形成了不同的流派特色景頗族的「木腦縱歌」哈尼族的白鷴舞扇子舞扭鼓舞白族「繞山林」中的霸王鞭雙飛燕,拉祜族的蘆笙舞納西族的「哦熱熱」東巴舞藏族的中甸鍋莊德欽弦子瑤族的銅鈴舞苗族的跳蘆笙怒族的生產舞僳族琵琶舞布朗族的大鼓舞基諾族的竹筒舞阿昌族的「登娥羅」德昂族的水鼓舞獨族的剽牛舞普米族的鍋莊舞蒙古族的「納各早」以及創編的回族歌舞劇「回」等。But the chemical properties have no remarkable influence on it ( 3 ) as the water - to - binder reduces wich is one of key factors in the perpormance of reactive powder concrete with steel slag, the fluidity decreases but the strength increases ; incorporation of 4 percent steel fiber in volume can decrease fluility and increase strength ; heat - curing benefits the increase of strength which can still develop in 28 day water curing after heat - curing
( 3 )水膠比是影響其性能最為關鍵因素之一,隨著水膠比的降低,流動性下降和強度的提高都很明顯;摻入4的鋼纖維對流動性的影響比較明顯,同時也不同程度地提高了強度;熱養護有利於強度的提高,經熱水養護後放置水中至28天齡期,其強度有較大提升,並沒有出現強度倒縮現象。Incorporating with mineral admixtures could control the tendency of evening shrinkage of hpc, but the effect is not much remarkable. and the expansive agent uea could compensate shrinkage, but different curing conditions have significant effects on the volume stabilization of hpc. it is necessary to enhance the water curing at the young age and try the best to prolong the curing time
本文對高性能混凝土體積穩定性的特點及其補償措施進行了系統的研究,主要包括:指出了水膠比對高性能混凝土體積穩定性的影響;分析了摻礦物外加劑高性能混凝土體積穩定性的特點;研究了聯合摻加礦物外加劑和膨脹劑對高性能混凝土收縮的補償效果;探索了用膨脹型中熱水泥來配製高性能混凝土對收縮的改善。At last, there is a practical design of gshp - radiant system in a villa in chongqing. the compare of the gas - heater radiant floor system and the gshp radiant floor system indicates that the heating performance coefficient of the gshp is higher than the gas - heater to a large extent. in addition, this united system can use the closed circling water in the underground heat exchanger to remove the surplus heat load in transitional season
通過燃氣熱水器制熱的輻射地板供暖與地源熱泵制熱的輻射地板供暖性能實驗的對比,可以看出地源熱泵的供熱性能系數高於燃氣熱水器,同時在長江中下游地區還可在過渡季節利用閉式循環水吸收土壤冷量對房間進行供冷,提高系統運行的經濟性。The optimum conditions for air electrode preparation were shown as follow : 20 % ptfe and 20 % mno2 in active layer, thickness of active layer 0. 15 - 0. 25mm and the ratio of active carbon to ethine black 4 : 1 ; 60 % ptfe in the gas diffusion and waterproof layer, employing na2so4 as pore - making agents, thickness 0. 35 - 0. 45mm, colding forming and layer sequence catlytic layer / gas diffusion and waterproof layer / current collector layout ; employing 40 meshed nickel screen as current collector and thermal treatment temperature over 200
確定了制備空氣電極的優化工藝條件,催化層中ptfe含量約20 , mno _ 2的最佳含量約為20 ,催化層中活性炭和乙炔黑的比例為4 : 1 (質量比) ,厚度在0 . 15 - 0 . 25mm之間。防水透氣層中ptfe的含量約為60 ,以無水硫酸鈉作為造孔劑,厚度一般為0 . 35 - 0 . 45mm 。電極各層採用催化層/防水透氣層/集流體的排布方式,冷壓成型,熱處理對空氣電極的性能影響較大,熱處理溫度不低於200 。3. by thermo - activation treating, the crystal water and constitution water of sepiolite were further changed. changes of channels between crystals and porosity made the specific surface area of the products increase from 295. 39 m2 / g to 324. 67m2 / g
3 .經過熱活化處理使海泡石的結晶水和結構水進一步發生變化,晶間管道和孔隙度的改變使產物的比表面積由295 . 39m2 / g提高到324 . 67時/ g 。It is found that the day and all - day temperature in nankai district have remarkable linear relationship with ratio of green area, ratio of water area, plot ratio and anthropogenic heat ; night temperature is only related with anthropogenic heat significantly ; and the influence significance of these factors on air temperature of different periods varies
研究發現南開區全天、白天氣溫與區域綠化率、水面比率、建築容積率和人為排熱具有較顯著的線性相關關系,夜晚氣溫僅與人為排熱具有較顯著的線性相關關系;且各影響因素對不同時段氣溫影響的顯著性不同。Self - compacting concrete is a kind of concrete with low w / b ratio and good workability, which does not need to pug. it is a trend for both the researchers and the concrete engineer
自密實混凝土是一種在較低水灰比條件下,不泌水,不離析,不需振搗或只需少量振搗即達到均勻密實的混凝土,是混凝土工程技術的一個重要發展方向,也是目前國內外學者研究的一個熱點。They compared their findings with water from control sponges and pads not placed in the microwae
他們將在廢水中加熱浸濕后的海綿和洗滌墊得到的數據同沒有經過微波爐加熱的海綿墊的數據相比較。For instance, 100 per cent of the industrial waste gas has its dust particles removed ; about half of the industrial waste water is treated, with the yangbajain geothermal power station alone recycling 21, 254, 400 tons of its waste geothermal water
何況這些「三廢」中的相當部分已經得到處理,比如工業廢氣的消煙除塵率達到百分之百;僅羊八井地熱電站就回灌地熱廢水2125 44萬噸,其它工業廢水的近一半得到處理。Ceiling mounted radiant panels supplied with water at temperature below 120 c - rating method and evaluation of radiant thermal output
棚上裝有可提供120以下熱水的散熱板.輻射熱輸出的比率方法和評定Specific heats of the various phases of water
各種相態水的比熱容The conductivity of water is about 25 times that of air, i. e. water conducts heat 25 times faster than air
水的導熱能力比空氣大25倍,即是水傳熱的速度快空氣25倍。分享友人