水的熱性質 的英文怎麼說
中文拼音 [shuǐderèxìngzhí]
水的熱性質
英文
thermal properties of water-
A method to calculate quantitatively the adsorption volume or adsorption space of per mass of adsorbent derived from both the adsorbed molecule volume and the maximum adsorbance of a solute in an adsorption isotherm under a given experimential condition is presented firstly for a solid / liquid adsorption system of the solute in a dilute aqueous solution. this method is suitable for not only mono - layer adsorption, but also mani - layer adsorption and micelle adsorpion of surfactant constructed by hydrophile and lipophile groups. therefore, the surface concentration of the adsorbate, cs, deduced from the adsorption volume is possessed of the meaning of true concentration, and the value of the patition coefficient of the adsorbate between solid and liquid phass, p, attained by the cs and the c, solution concentration of the adsorbate, can be accurate. the foregoing a set of calculations are presented for the solid - liquid adsorption systems consisted of the wool fiber and separately dodecyltrimethyl - ammonium bromide ( dtab ) and hexadecyltrimethyl - ammonium bromide ( ctab ) in this paper. this provides a strong basis for adsorption thermodynamic investigation of adsorbate
對稀溶液中溶質的固/液吸附體系,首次提出了根據吸附分子體積和實驗條件下吸附等溫線中的最大吸附量計算單位質量吸附劑的吸附體積或吸附空間的方法.此法適用於單層吸附,也適用於多層吸附和具有親水親油結構的表面活性劑分子的膠團吸附.由此,吸附質的表面相濃度cs具有真實濃度的含義,相應地,計算得到的溶質的固/液分配系數p就有了準確值.分別計算由溴代十二烷基三甲銨( dtab )和溴代十六烷基三甲銨( ctab )與羊毛纖維構成的液/固體系分配系數等,為溶質吸附的熱力學研究奠定了基礎Combined heat and mass transfer by natural convection which is caused by heat and mass diffusion can be seen in nature and some processes of industry, such as evaporation and desiccation. these processes relate to aeronautics, hydraulics, mechanics, chemical engineering, oceanography and aerography
熱及物質擴散引起的傳熱傳質復合自然對流常見于自然界和蒸發、乾燥等工業過程,涉及到航空、水利、機械、化工、海洋、氣象等諸多領域,其流體力學和傳質傳熱特性一直是人們研究的重點。Because, this is of chinese herbal medicine outer the organization is stimulated suddenly by high fever, instantly constrictive, caky even, its protein is formed on cellular wall cannot go against the metamorphic layer that turn, prevent moisture development, organize interior to composition dissolves hard and be released, such, the decoct of medicaments active ingredient goes out rate reduce greatly, affect curative effect badly
這是因為中草藥的外層組織忽然受到高熱刺激,立即緊縮,甚至凝固,其蛋白質便在細胞壁上形成不可逆轉的變性層,防止水分深入,組織內部成分難以溶解並釋放出來,這樣,藥物有效成分的煎出率大大降低,嚴重影響療效。The influence of coal characteristic indices such as caloricity, ash content, and water content on the coal handling system is discussed in the aspects of economy and reliability
從經濟性和可靠性角度分析探討了煤的發熱量、灰分、水分等衡量煤質的特性指標對輸煤系統的影響。As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn
理論工作方面,首先描述了撞針型高壓小孔徑離心式噴嘴的霧化加濕過程和液體的物理性質,然後結合撞針型高壓小孔徑離心式噴嘴的結構特點,將其霧化加濕過程分三個階段進行機理上的研究,這三個階段依次為液膜形成、液膜初次破碎及二次霧化、水與空氣的熱濕交換。Through the special studies on impacts to atomizing and humidifying effect from such factors as the firing pin type, centrifugal structure, higher spraying pressure, less aperture, initial water temperature and original state of the air, some conclusions are obtained, such as : the centrifugal nozzle with firing pin type, high pressure and little aperture has bigger air eddy and atomizing angle. the spaying liquid has high velocity. the droplet is small, and the heat and mass transfer velocity is high
通過對撞針型結構、離心式結構、較高的噴水壓力、較小的噴嘴孔徑、噴水初溫及待加濕空氣初狀態對霧化加濕效果的作用原理的重點分析,得到:撞針型高壓小孔徑離心式噴嘴具有較大的空氣渦與霧化角,噴出的液體流速高、液滴小、水與空氣傳熱傳質速率高,撞針型結構提高了霧化加濕效率,高壓小孔徑的特點為霧化加濕提供了較大的能量,而噴水初溫的升高會減小水的粘性力和表面張力,從而優化加濕效果。Abstract : numerous mushrooms are toxic to insects. to identify the chemicals involved in insecticidal activity, the toxicity of 14 species has b een studied for water solubility, thermolability, and dialysis. the data strongly s uggest that proteins are responsible for most of the insecticidal avtivity in mu shroom fruitbodies and may be a source of genes available for plant protection a gainst insects. among proteins, lectins and haemolysins are good insecticide candi dates because the toxicities are not affected by protease
文摘:許多蘑菇都對昆蟲表現出毒性.為了證實與殺蟲毒性有關的化合物,對14種蘑菇的毒性在水溶性、熱敏性和可透析性等方面進行了研究.研究數據表明,蛋白質對大多數蘑菇子實體的殺蟲活性起著重要作用,也許是一種可以用於植物抵抗害蟲的基因源.在數種蛋白質中,凝集素和溶血素因不受蛋白酶的影響而成為良好的殺蟲劑候選材料Numerous mushrooms are toxic to insects. to identify the chemicals involved in insecticidal activity, the toxicity of 14 species has b een studied for water solubility, thermolability, and dialysis. the data strongly s uggest that proteins are responsible for most of the insecticidal avtivity in mu shroom fruitbodies and may be a source of genes available for plant protection a gainst insects. among proteins, lectins and haemolysins are good insecticide candi dates because the toxicities are not affected by protease
許多蘑菇都對昆蟲表現出毒性.為了證實與殺蟲毒性有關的化合物,對14種蘑菇的毒性在水溶性、熱敏性和可透析性等方面進行了研究.研究數據表明,蛋白質對大多數蘑菇子實體的殺蟲活性起著重要作用,也許是一種可以用於植物抵抗害蟲的基因源.在數種蛋白質中,凝集素和溶血素因不受蛋白酶的影響而成為良好的殺蟲劑候選材料Firstly, the surface characteristic of polystyrene particle is changed from water detesting to water intimity by using special techniques and admixtures so mat the compound quality with inorganic materials is insured. secondly, the contradiction between the weight and strength is solved through optimizing the particle size and using composite fiber and the best heat conductivity is achieved under the condition that the necessary strength is met. in the research process, the author solved the problem of fiber dispersing in insulating materials so that the contraction of the material is controlled
課題研究中,首先採用特殊的改性工藝及外加劑實現對聚苯乙烯顆粒表面的成功改性,使其表面由憎水轉化為完全親水,確保與無機材料的復合質量;其次,通過採用優化骨料級配及使用復合纖維等措施解決了保溫材料的輕質與強度的矛盾,使保溫材料在滿足必要的強度的前提下,導熱系數降至最小;並且,課題研究中成功解決了纖維在保溫材料中均勻分散的問題,達到了抑制保溫材料收縮的目的;最後,通過採用復合外加劑、合適的膠凝材料及合理的配比等措施確保該保溫材料具有良好的和易性,滿足施工的要求。The physical properties of crude starch determined its fermentation characteristics during the production of malt yellow rice wine by no cooking and steaming : slow hydrolysis in early fermentation period, and comparatively low alcohol yield by microzyme fermentation and low heat
生澱粉的物理性質,決定了免蒸煮麥曲黃酒釀造前酵水解偏緩,酵母菌發酵產酒精和熱量偏低的發酵特徵。Purification and characterization of a cellobiohydrolase from the thermophilic fungus chaetomium thermophilum ct
嗜熱毛殼菌外切葡聚糖纖維二糖水解酶的純化和部分性質研究The paper discusses dynamical conditions of the supercritical ore - forming fluid system based on study of regional geological background and analyses of physiochemical conditions of ore - forming process and puts forth the ore - forming mechanism : upper mantle uplift - mingling of meteoric water and magmatic hydrothermal fluid separated from acidic magma under tensile or transitional tensile environment - water / rock reaction - transportation - chemical coupling ore precipitation
在分析超臨界成礦流體系統形成的區域地質背景和研究成礦物理化學條件的基礎上,探討了超臨界成礦流體系統形成的動力學條件,提出該系統的成礦機理:與燕山晚期酸性火山侵入巖漿有關的金銅礦床是在上地慢隆起、張性或向張性過渡背景下形成的,酸性巖漿經熔體流體分離作用形成的巖漿熱液與大氣降水混合,經水巖作用等復雜的輸運和化學反應耦合過程的動力學產物。It is suitable for medium such as water, gas, heat energy, crystal and powder material etc, especially suitable for medium of easy sedimentation, fouling, crystal, lumber, mixed with foreign impurity, sewage and medium with corrodibility, high scouring and great friction
適用於水、氣、熱能、漿液、晶粒、粉狀物料等介質,特別是能滿足兩相流溶液工藝流程中易沉澱、結垢、結晶、析出、雜物、異物混雜的介質、污水及腐蝕性、高沖刷性、琢磨性強的特殊需求。To this area precipitation materials for many years, evaporate materials, surface flow materials, hydrometeorological materials, hydrogeological materials carry on exhaustive analysis, have analysed the state of water resource of the sand district, proceed from the heat of the earth ' s surface is balanced, water yield balanced basic theories, combine the amount of regional water resource set up of the materials, such as scene, hydrology, soil of the sand district, etc. and estimate models, have calculated the surface water, groundwater of this area, has carried on models to examine according to the real data, and has predicted to the state of water resource under different climate change scenes of future that analyse. have put forward the scheme that the water resource in this area utilized rationally, use the non - linear motive force model to predict the precipitation, utilize the materials of actual observation, the natural supply amount of calculating out groundwater of sand ground of balanced principle of the amount of water used at the same time, and can exploiting amount predict to groundwater, district of sand,
本文以寧夏半乾旱地區鹽池縣沙地水資源為研究對象,對該地區多年降水資料、蒸發資料、徑流資料、水文氣象資料、水文地質資料進行了詳盡的分析,分析了沙區的水資源狀況,從地表熱量平衡、水量平衡的基本理論出發,結合沙區的氣象、水文、土壤等資料建立了區域水資源量估算模型,計算了該地區的地表水、地下水,根據實際資料進行了模型檢驗,並對未來不同氣候變化情景下的水資源狀況進行了預測分析,提出了該地區水資源合理利用的方案,運用非線性動力模型對降水量進行預測,同時利用實際觀測資料,運用水量平衡原理計算出沙地地下水的天然補給量,並對沙區地下水可開采量進行預測。The production of biomass tar is influenced by gasifier type biomass feedstock, gasification agent and operation parameters, and it may cause great harm to the gasification system and gas consummation equipment. however, traditional tar removal technology, such as filtration, wet cleaning and thermal decomposition, ca n ' t meet with the need for relatively clean gas
熱解焦油的產生受到氣化器類型、生物質原料類型和性質、氣化介質、裂解氣化條件等因素的影響,其對氣化系統和用氣設備等產生不利影響,而目前常採用的焦油脫除方法,如水洗、乾式過濾等不能滿足高效焦油脫除的要求。Study on thermal properties of mg zn al hyrotalcite - like materials and the hydration of their decomposition products
類水滑石的熱性質和水化性能研究The lithium bromide absorption hot - coldwater units have many merits, such as low consumption of oil, safety in operation, pollution - free and noiseless, and their thermal properties are analysised in this article
溴化鋰吸收式汽車空調以汽車發動機冷卻水的熱量為熱源,具有油耗少、運行安全、無污染、無噪音等優點,本文主要是從熱力性質上對其進行了分析。Thermodynamic properties of water
水的熱力學性質These spaces have very high levels of non glare north daylight, high levels of thermal comfort due to low air velocities and very stable temperature due to the large amount of the thermal mass
這些空間有非常高級別的非炫目性北向日光,和很高水準的熱舒適度,這歸結于非常低的氣流速度和大面積的熱介質所造成的很穩定的室溫。This program can be also used in other fields. 3 ) the interface between the data collection system and the performance calculation program was completed
該計算模塊不但可以應用在汽輪機熱力計算中,還可以應用在需要進行水蒸汽性質計算的其它工作之中。分享友人