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endothermic adj.【化學】吸熱的 (=endothermal)。

endotoxin

At measurement of the temperature increasing and analysi s of gas composition in the pellet layers during reduction of iron ore - coal pel let in air , it is found out that released volatile from the pellet is fired when the pellet is heated to the beginning temperature of fast release of volatile , and after the heat output of fired volatile heats the pellet to the beginning tempe rature of fast reduction by carbon , combustion of co generated by the reduction of carbon takes place and the heat output of burnt co is transferred into the pel let to supply the endothermic reduction in the pellet 通過測量鐵礦-煤球團在空氣中還原時料層溫度上升規律和氣體成分變化情況,得出了球團被加熱到揮發分開始激烈析出溫度時,揮發分開始燃燒,放出的熱是將球團加熱到碳的直接還原開始激烈進行溫度時,碳的還原產生的co氣體開始燃燒,提供球團還原耗熱

Abstract : at measurement of the temperature increasing and analysi s of gas composition in the pellet layers during reduction of iron ore - coal pel let in air , it is found out that released volatile from the pellet is fired when the pellet is heated to the beginning temperature of fast release of volatile , and after the heat output of fired volatile heats the pellet to the beginning tempe rature of fast reduction by carbon , combustion of co generated by the reduction of carbon takes place and the heat output of burnt co is transferred into the pel let to supply the endothermic reduction in the pellet 文摘:通過測量鐵礦-煤球團在空氣中還原時料層溫度上升規律和氣體成分變化情況,得出了球團被加熱到揮發分開始激烈析出溫度時,揮發分開始燃燒,放出的熱是將球團加熱到碳的直接還原開始激烈進行溫度時,碳的還原產生的co氣體開始燃燒,提供球團還原耗熱

The adsorption isotherm of neptunium on silica gel correspond to the form of langmuir isotherm . according to clausius - claperon equation , from the slope in inkd vs 1 / t plot , adsorption heat could be estimated . from the data of adsorption heat it is concluded that the adsorption of neptunium on silica gel in nitric acid solutions belongs to chemical adsorption and the adsorption process is an endothermic reaction 三種價態的镎在硅膠上吸附的等溫線符合蘭格繆爾吸附等溫線的形式,是單分子層吸附;根據克勞修斯-克拉柏龍方程,以1nkd對1 t作圖,通過直線斜率計算出吸附熱,從吸附熱的數據可判斷三種價態的镎在硅膠上的吸附屬于化學吸附,是吸熱的過程;對npov ) 、 np ( v )和np ( vd在硅膠上的吸附進行了比較,提出了三種價態的鋒在硅膠上吸附的機理。

Through basal theory and experiment discussions , the following are obtained : there is a distinct difference more than 150 between the combustion exothermic reaction of coal and the decompounding endothermic reaction of caco3 , which is the main component of crm , while few thermal reactions happen during the area of such difference in the crm without coal ; there is a one - to - one relationship between dta curve acreage and crm heat 論文通過基礎理論和試驗探討,得出煤燃燒放熱效應與生料主體成分caco _ 3分解吸熱效應之間有150以上的溫度差,對應白生料在差熱儀特征峰溫度區間基本沒有熱效應, dta曲線峰面積與生料熱之間存在明顯的單一對應關系,從而提出用差熱法測定生料熱的設備開發思想。

The effects of the content , granularity and purity of the raw materials ( zirconium powder , viton and dicyandiamide ) on the combustion rate were measured and their effects on its detonation heat and its combustion heat were estimated . the investigation on the combustion reaction mechanism showed that surface decomposition of dicyandiamide was the control step of the combustion reaction . the slowdown and combustion - resistant effects of dicyandiamide were of endothermic characteristic 測量了鋯粉、氟橡膠、雙氰胺等原材料含量、粒度、純度等對藥劑燃速的影響,估算了它們對藥劑爆熱和燃燒熱的影響,并對藥劑燃燒反應機理進行了探索研究,發現雙氰胺的表面分解是藥劑燃燒反應的控制步驟,其減速、阻燃作用具有吸熱特征,氟橡膠對藥劑的熱輸出有較大貢獻。

The relative momentum of two final particles and the cross section are zero at the threshold energy for an endothermic reaction , while the relative momentum of two initial particles is zero and the cross section at the threshold energy for an exothermic reaction is infinite 在吸熱反應的閾能處,出射粒子的相對動量以及截面均為零。在放熱反應的閾能處,入射粒子的相對動量為零,截面趨于無窮大。由于強子的動量僅提供如此低的質心系能量,強子物質中x 。

Between glass - cover board and endothermic board , honeycomb is placed , which can eliminate heat loss caused by air natural convection and greatly reduce heat loss caused by radiation , and hence a better transfer heat efficiency 而在透明玻璃蓋板和吸熱板之間放置蜂窩結構,基本上能消除吸收表面和蓋板之間的空氣自然對流熱損失,并可大大降低輻射損失,顯著提高集熱器的熱轉換效率。

While rock salt ( nacl ) is relatively abundant and a very cheap deicer , it is endothermic while melting , pollutes the environment and accelerates corrosion of vehicles , bridges , guardrails and reinforcing steel in concrete 以氯化物鹽為主的傳統型除冰劑雖然原料廉價易得,冰點低,但融解過程吸熱,對環境造成污染,對道路設施產生腐蝕。

The isotherm of darkened sand adsorbing these three kinds of heavy metal accorded with freundlich isotherm . thermodynamics study indicated that the adsorption course is spontaneous , endothermic and unreversible 熱力學研究表明黑化砂吸附三種金屬的過程是自發的、吸熱的、不可逆的。

The reaction is endothermic and takes place at atmospheric pressure and 25 - 37 degree centigrade , and generates methyl or ethyl esters biodiesel and crude glycerin as by - product 該反應是吸熱反應,在大氣壓力和25 - 37攝氏度氣溫下反應,產生的副產品有甲基乙荃酯生物柴油和天然甘油。

The reaction is endothermic and requires high temperatures ( ~ 1 , 000 ? ) to produce gasoline and other products ( including solid coke on the catalyst ) 反應是吸熱的,所以要求極高的溫度去產生汽油和其它的產品,包括催化劑中的固體焦炭。

Study on the thermal oxidation stability of an endothermic hydrocarbon fuel 吸熱型碳氫燃料的熱氧化安定性研究

Endothermic and exothermic processes 吸熱與發熱過程

Supercritical thermal stability of endothermic hydrocarbon fuel 超臨界條件下吸熱型碳氫燃料氧化安定性研究

Heat traetment of steels in endothermic atmospheres 鋼件在吸熱式氣氛中的熱處理

This process is endothermic with rapid carbon deposition and deactivation of the catalyst . 此過程是吸熱的,同時很快發生碳積沉并使催化劑活性減低。

A bottom layer of nickel catalyst was provided to promote the endothermic reaction of steam and methane . 底層鎳催化劑促進蒸汽和甲烷的吸熱反應。

At very high temperatures, more endothermic reactions play a role . 在很高的溫度下,更多的吸熱反應起作用。