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第二步
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  the second step
     the second step was carried out with a largeα , its kinetic expression is (1-2α /3)-(1-α )2/3=Ae-E/RTt where E=122.7 kJ/mol and A=9.81× 1014 min-1.
     转化率α较高时发生第二步反应,动力学方程 (1-2α /3)-(1-α )2/3=Ae-E/RTt式中 E=122.7 kJ/mol、 A=9.81× 1014 min-1.
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     In the second step,WPM was significantly better than 1/2 MS+6-BA(2 mg/L)+IAA((0.5 mg/L)).
     第二步培养以WPM培养基显著优于1/2 MS+6-BA(2 mg/L)+IAA(0.5 mg/L),胚培试管苗生长健壮。
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     The energy of activation of these two reaction steps at pH 5.21, 6.95, and 8.01 is 104.0±2.2, 94. 1±0.8 and 73.9±0.6 kJ/mol, respectively, for the first step, and 104.9±1.3, 83.85±0.6 and 57.3±0.4 kJ/mol, respectively, for the second step.
     在pH为5.21,6.95和8.01时,第一步和第二步反应的活化能分别为104.0±2.2,94.1±0.8,73.9±0.6 KJ·mol~(-1)和104.9±1.3,83.8±0.6,57.3±0.4 KJ·mol~(-1)。
短句来源
     while for the second step, dα/dt = Ae-E/RT·(1-α)2 , whichcorresponding to the mechanism of "the second-order chemical reaction".
     动力学补偿效应表达式为:InA=0.3739E-3.321.第二步分解过程为二级化学反应,其动力学方程为:dα/dt=Ae~(-E/RT)(1-α)~2;
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     in the second step,imidazolinyl intermediate/diethylenetriamine (molar ratio)=1/(1.4-1.6),with isopropanol as solvent,reaction temperture 50℃,reaction time 2 h.
     第二步,中间体/硫酸二乙酯(摩尔比)=1:(1.4~1.6),以异丙醇为溶剂,反应温度50℃,反应时间2 h。
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  “第二步”译为未确定词的双语例句
     ② n(1-(4-phenoxyphenoxy) propyl-2-ol)∶n(potassium hydrate)∶n(2-chloropyridine)=1∶3.5∶1.4;
     第二步:n(1-(4-苯氧基苯氧基)-2-丙醇)∶n(氢氧化钾)∶n(2-氯吡啶)=1∶3.5∶1.4;
短句来源
     The kinetic parameters were obtained from the analysis of TG , DTG curves by integral and differential methods . The kinetic expressions of thermal decomposition reaction are: first step da/dt = A·exp( -E/RT)· -2(1 - a)1/2 second step da/dt = A·exp( - E/RT) 3/2(1 - a)[ - ln(1 - a)]1/3.
     第一步非等温动力学方程为:da/dt=A·exp(-E/RT)·2(1-a)~(1/2),第二步:da/dt=A·exp(-E/RT)·3/2(1-a)[-1n(1-a)]~(1/3).
短句来源
     Thosewere f(a) = (1 - α)~n (1 + K_(cat)α) , f(a) = (1 - α) (1 + K_(cat)α) , respectively.
     第二步反应拟合的最可几动力学模型为C1B,即自催化的一级反应,动力学模式函数为f(α)=(1-α)(1+K_(cat)α)。
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     bdouble decompositionneutral:MnSO_4+ZnSO_4+MnS2MnSO_4+ZnS;
     第二步复分解浸出(中性浸出):MnSO4+ZnSO4+MnS 2MnSO4+ZnS↓;
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     second reaction at 110 ℃ for 8 h,the yield of p-aminoanisole was 96% with purity 99%,the yield of by-product sodium thiosulfate was 92% with purity 98%。
     第二步反应在110℃下回流8h,对氨基苯甲醚的收率为96%,纯度为99%,副产品硫代硫酸钠的收率为92%,纯度为98%。
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     Second, questionnaire analysis.
     第二,调查分析。
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     The second step
     4.2第二
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     Secondly, the process of drafting utilizing foreign capital
     第二
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     The second issue is explanation of crime of disrupting the orde
     第二
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  the second step
The results illustrated the activation energy of the first and the second step is 4.57 × 104 J·mol-1 and 3.53 × 104 J·mol-1, respectively.
      
The minimax criterion is proposed at the second step; it is realized in the robust algorithm of data incoming flows distribution adjustment.
      
The detailed mechanism of the second step of oxidation of Variamine Blue was estimated based on the results of INDO, MNDO, AMI, and PM3 calculations (UHF formalism) of the charge distribution and spin density in the Variamine Blue radical cation.
      
The second step (1,2-hydrogen shift) was accelerated in the presence of water.
      
The second step is the decomposition of these intermediates through hydrogen transfer within the hydrocarbon backbone and the formation of the final products.
      
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A method of deflection-proportioning and slope-estimating for computing the wind stresses in multi-storied building frames is presented in this paper. No matter whether the building frame is regular or irregular, this method affords a simple solution with accurate result.

本文舉一位移比率角變估計法,以之分析多層屋架之風應力,該項屋架,不論規則與否,均可利用本法,其所採步驟,既十分簡單,其所得結果,又相當精確。本法首先利用角變位移法,考慮屋架之相對形變,亦即估計屋架各層之相對位移,以及屋架各結點之相對角變。然後利用撓矩分配法,求得柱梁二端之相對撓矩,尋求該項相對撓矩之時,可以利用第一步之結果,亦即估計柱二端之相對定端撓矩,以及結點四圍之相對傳遞撓矩,先傳遞而後分配之。最後利用疊加原理,觀察屋架各層之相對平向剪力,與共實在平向剪力,成何等之比率。如將第二步之結果,乘以該項比率,則所得之撓矩應為正確之值。

This article presents a method for calculating the gravity dam with various types of opennings.The procedure takes as follows: First step:Assuming the dam as a solid body,calculating it's stresses. Second step:Along the boundary of the opennings,applying forces which equal but opposite to the primary,and assuming the openning is placed at an infinite region,we obtain the stresses weakened by openning. Third step:Combining these stresses,the final stresses in dam are given. If the openning is too big in size,outside...

This article presents a method for calculating the gravity dam with various types of opennings.The procedure takes as follows: First step:Assuming the dam as a solid body,calculating it's stresses. Second step:Along the boundary of the opennings,applying forces which equal but opposite to the primary,and assuming the openning is placed at an infinite region,we obtain the stresses weakened by openning. Third step:Combining these stresses,the final stresses in dam are given. If the openning is too big in size,outside boundary condition should be considered. Take the penstock,which buried in dam,as an illustrated example.

本文提出一个计算重力壩体内部孔口应力的方法,其步骤如下:第一步,假设壩为实体,求出其应力。第二步,沿孔口周边作用以和初始应力相等相反之力,并假定孔口位于无限域内,求出壩体的削弱应力。第三步,将两次应力相加,即求得壩体的实在应力。如果孔口的尺寸过大,尚需考虑外边界条件的适合。最后用输水管应力分析来说明这个方法的使用。

Douze composés des esters de l'0-Alkyl phenylphospho-amidothioate ontété préparés par trois méthodes synthétiques différentes selon les reactions suivantes:??L'amine aromatique elle-méme et la pyridine ont été respectivement utilisés comme agent de condensation dans la methode A et dans la methode B; la methode C a procédé par l'action simultannée de la reaction (1) et la reaction (2) en utilisant aussi la pyridine comme agent de condensation.

以三种不同方法制取十二种O-烃基,苯基硫代膦酰胺酯类化合物.方法A是以芳香胺本身作缩合剂;方法B是以吡啶作缩合剂;方法C亦以吡啶作缩合剂并将第二步与第三步并合在一起进行.这些合成产物的结构式,物理常数及产率见上列表中.这些化合物的初步杀虫试验,结果除八号对果蝇有些杀虫效力外;其余对果蝇都无杀虫效力.

 
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