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condensation     
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  缩合
     Multicomponent Biginelli Reaction and Pd-catalyzed Aldol Condensation Reaction in the Presence of TMSCI
     三甲基氯 硅烷参与的多组分Biginelli反应及钯催化的Aldol缩合反应
短句来源
     Studies on the Amidocarbonylation Reactions and Condensation Reaction of Alcohols
     酰胺羰基化反应及醇参与的缩合反应研究
短句来源
     STUDY ON ISONICOTINIC ACID HYDRAZIDE SYNTHESIS Ⅰ.THE DIRECT CONDENSATION OF ISONICOTINIC ACID WITH HYDRAZINE HYDRATE
     抗结核药的合成研究 Ⅰ. 异烟酰肼的直接缩合
短句来源
     SYNTHESIS OF DERIVATIVES OF CYCLOHEXANE SERIES Ⅰ.——CONDENSATION PRODUCTS OF 1,3-OR 1,4-CYCLOHEXANEDIONE WITH AMINOGUANIDINE NITRATE
     环己饱和烃衍生物的合成Ⅰ.——1,3-及1,4-环己二酮与氨基胍缩合
短句来源
     STUDIES ON ANTITUMOUR AND ANTIVIRAL COMPOUNDS--Ⅳ.THE SYNTHESES OF CONDENSATION PRODUCTS OF HYDRAZINES,HYDROXYLAMINES AND AROMATIC AMINES WITH SOME α-GLYOXALS
     抗肿瘤及抗病毒药物的研究--Ⅳ.α-酮醛与肼、羟胺及芳胺缩合化合物的合成
短句来源
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  冷凝
     The recovery of CS_2 can be(84.9%-90.0%) by steam desorption and ice water condensation.
     采用水蒸气解吸和冰水冷凝可以回收84.9%~90.0%的CS2。
短句来源
     According to the results,the condensation heat transfer coefficient of Turbo-DWT is 42% more than that of Turbo-A,and pressure drop about 65%(R134a).
     从实验数据可知,新管型Turbo-DWT的冷凝传热系数高于Turbo-A约42%,且压降低于Turbo-A约65%(R134a)。
短句来源
     The results show that R32/R134a/R227ea and R32/R125/R227ea are comparable to R22 at value of COP and Qv. Moreover, the obvious superiority to R410A is that its condensation pressure is greatly reduced and even less than that of R22 which give this mixture much more advantage in replacement.
     计算结果表明,混合物R32/R134a/R227ea及R32/R125/R227ea不论是COP还是Qv值,都能和R22相匹配,而且优于R410A的最大特点是其冷凝压力大大降低,甚至低于R22,非常有利于原装置替代。
短句来源
     Establishes the lubricating-oilless laboratory bench to test and compare the condensation heat transfer performance of new Turbo-DWT copper tube and conventional inner-grooved Turbo-A one using R-22,R134a and R410A.
     建立无润滑油实验台,以R22,R134a和R410A为工质,测试新型铜管Turbo-DWT和常规内螺纹铜管Turbo-A的冷凝传热性能,并进行比较。
短句来源
     Under the conditions of superficial velocity 0.035 m·s-1(standard condition), the inlet temperature of condenser 240℃, outlet temperature 85℃, SO3 concentration in the converted gas 3000×10-6, the content of vapor 2%, the concentration of sulphuric acid reached 95.9%, and the condensation efficiency exceeded 99.6%, and the concentration of sulphuric acid mist in the tail gas was below the Chinese standard.
     在冷凝器空塔速度为0.035m/s,进口温度为240℃,出口温度为85℃,转化气SO3浓度为3000×10-6以及水蒸汽体积含量为2%的条件下,硫酸蒸气冷凝效率大于99.6%,成酸浓度达95.9%,尾气中硫酸雾浓度低于国家排放标准。
短句来源
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  凝结
     When the temperature is higher than 400 K,at the same temperature the descending order of the condensation coefficients for different models is SPCE,TIP4P,TIP3P,SPC and TIP5P,while the difference between the coefficients of TIP4P and TIP3P is tiny.
     在相同温度下,凝结系数的统计结果表明:当温度高于400 K时,凝结系数按SPCE、TIP4P、TIP3P、SPC、TIP5P模型呈递减趋势,并且TIP4P和TIP3P模型的凝结系数相近;
短句来源
     The concept of Bose Condensation of Higgs fields is applied to SU(2) Higgs φ~4 model.
     本文推广Higgs场的玻色凝结概念到SU(2)Higgs φ~4模型。
短句来源
     The test was measured at the condensation temperature of 38.6 ℃ with mass flux of 30 kg/h and 60 kg/h,quality of 0.2~0.8,and the constant heat flux of 15 kW/m2.The result indicates that the local heat transfer coefficients of microfin tube are about 1.7 times of those of the plain tube.
     实验工况对应凝结换热温度38.6℃,工质流量分别为30 kg/h,60 kg/h,干度范围0.2~0.8,热流密度15 kW/m2.实验结果表明,与光管相比,微肋管的换热系数是光管的1.7倍左右.
短句来源
     Experimental study on condensation of R22 saturated steam outside a horizontal C-S tube
     R22饱和蒸汽在C-S水平管外凝结换热的实验研究
短句来源
     EXPERIMENTAL INVESTIGATION ON FORCED CONVECTIVE CONDENSATION HEAT TRANSFER OF R32/R134a MIXTURES
     R32/R134a混合工质水平管内流动凝结换热的实验研究
短句来源
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  缩合反应
     Adsorption and Thermal Condensation of L-α-Glutamic Acid on Al_2O_3
     L-Α-谷氨酸在AL_2O_3表面的吸附和热缩合反应
短句来源
     Five new 1, 1'-bis (1, 3-dioxo-long-chain alkyl ) ferrocenes with the general formula C5H4FeC5H4 (COCH2COCnH2n+1 )2 (n= 5-9) were synthesized by Claisen condensation of 1, 1'-diacetylferrocene with ester.
     用1,1'-二乙酰基二茂铁与酯的Claisen缩合反应合成了5个新的1,1'-二(1,3-二氧代长链烷基)二茂铁,其通式为C5H4FeC5H4(COCH2COCnH2n+1)2,n=5~9。
短句来源
     FeCl_3·6H_2O Catalyzed Condensation of Aromatic Aldehydes with 5,5-Dimethyl-1,3-cyclohexanedione in Ionic Liquids
     离子液体介质中FeCl_3·6H_2O催化下芳香醛与5,5-二甲基-1,3-环己二酮的缩合反应
短句来源
     Some Schiff base-acyclic crown ethers with carboxyls as their end groups are synthesized by means of condensation reaction,where X =-CH2CH2-,R=CH2CH2-, R = CO2H( H2L1);
     按缩合反应合成了一类端基为羧基的Schiff碱型开链冠醚其中,X=CH2CH2-时,R=CO2H(H2L1);
短句来源
     The condensation reactions of cyclohexanone with ethylene glycol by using SnCl 4·5H 2O,NaHSO 4·H 2O,FeCl 3·6H 2O and AlCl 3· x H 2O as catalyst were studied. It was found that SnCl 4·5H 2O and NaHSO 4·H 2O are effective catalysis for ketol reaction.
     研究了 Sn Cl4 · 5H2 O、Na HSO4 · H2 O、Fe Cl3· 6H2 O、Al Cl3· XH2 O催化的环己酮与乙二醇的缩合反应 ,发现 Sn Cl4 · 5H2 O、Na HSO4 · H2 O是合成缩酮的有效催化剂。
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  condensation
In the present investigation, 4-hydroxy-3-methylacetophenone, on condensation with appropriate aldehydes in methanolic potassium hydroxide solution, yielded the corresponding chalcones (CI-XI).
      
The base-catalyzed condensation of thioureas (1-3a-i) with acetone was carried out in the presence of bromine to afford the corresponding 1-(isomeric methyl) benzoyl-3-aryl-4-methyl-imidazole-2-thiones (4-6a-i) in good yield.
      
In the synthesis of Compound A, the reactive processes used by us included the protection of amino group of lysine, acetylation, and intramolecular cyclizative condensation reaction.
      
4-(2-Hydroxy-phenyl)-but-3-en-2-one (1) was prepared via condensation of salicylaldehyde with acetone, and then reaction of the ketone 1 with thiosemicarbazide was accompanied by cyclization to give substituted pyrazole (2).
      
2,5-Bihydrazino-1,3,4-thiadiazole (2) was synthesized by condensation of 2,5-bimercapto-1,3,4-thiadiazole (1) with hydrazine hydrate, and compound 2 reacted with acyl chloride to give 2,5-biacylhydrazino-1,3,4-thiadiazole derivatives (3a-3e).
      
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