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动力学处理
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  kinetic treatment
    kinetic treatment with Coats-Redfem equation showed that the apparent degradation reaction orders are 1. 1, 1.5, 1.5, 1.2 and the activation energies are 363 .7, 239.5, 229.9 and 167.2 kJ/mol, respectively.
    用Coats-Redfern方程进行动力学处理,确定该药物热氧降解的表观反应级数分别为1.1、1.5、1.5、1.2和反应活化能为353.7,239.5,229.9和167.2 kJ/mol。
短句来源
    The authors studied the effects of cyclodextrins on hydrolysis of carboxyl acid esters (PNPA and PNPP). The phase separation model of micelle was applied to the above systems for kinetic treatment. It was found reasonable.
    作者研究了环糊精对羧酸酯(PNPA和PNPP)水解的影响,将胶束的相分离模型用来对其作动力学处理,求得了相关的热力学和动力学参数.
短句来源
  kinetic treatment
    kinetic treatment with Coats-Redfem equation showed that the apparent degradation reaction orders are 1. 1, 1.5, 1.5, 1.2 and the activation energies are 363 .7, 239.5, 229.9 and 167.2 kJ/mol, respectively.
    用Coats-Redfern方程进行动力学处理,确定该药物热氧降解的表观反应级数分别为1.1、1.5、1.5、1.2和反应活化能为353.7,239.5,229.9和167.2 kJ/mol。
短句来源
    The authors studied the effects of cyclodextrins on hydrolysis of carboxyl acid esters (PNPA and PNPP). The phase separation model of micelle was applied to the above systems for kinetic treatment. It was found reasonable.
    作者研究了环糊精对羧酸酯(PNPA和PNPP)水解的影响,将胶束的相分离模型用来对其作动力学处理,求得了相关的热力学和动力学参数.
短句来源
  “动力学处理”译为未确定词的双语例句
    OXIDATIVE COUPLING OF METHANE OVER SrO-La_2O_3/CaO CATALYSTS Ⅲ.REACTION MECHANISM
    甲烷在SrO-La_2O_3/CaO催化剂上的氧化偶联 Ⅲ.动力学处理及其反应机理
短句来源
    According to pseudo second rate reaction mechanism, the reaction activation energy is (67.9±6.5) kJ/mol with ammonia concentration at 105 mg/L.
    经动力学处理可得到,浓度为105mg/L的氨催化的反应活化能是(67.9±6.5)kJ/mol。
短句来源
    G(2,3-butanediol) values are 2.1 ±0.06 for N_2-saturated system and zero for air saturated system respectively Trace amount of oxygen in N_2 gas decreases G(2,3-butanediol) and increases G(CH_3CHO) at low absorbed dose (Fig. 1).
    使用Mpp求得原初过程形成的G_(H_2)=1.9,动力学处理求得G_H=2.4,k_(12)/k_(11)=(11.9±1.8)×10~3。 实验证明Mpp清除了体系中的H原子,抑制了CH_3CHOH自由基的形成,从而抑制了2,3-丁二醇的生成,但不影响乙醛的产额。
短句来源
    The parameters of the thermal degradation kinetics of nylon 1010 have been obtained by Coats-Redfern' s equation, the apparent order of the reaction is 1. 0, the reactive energy is 324. 5 kJ/mol.
    用Coats-Redfern方程进行反应动力学处理,确定尼龙1010的表观热降解反应级数为1.0,反应活化能为324.5kJ/mol。
短句来源
    Treated with Coats -Redfern equation we found that the apparent degradation reaction orders are 1.1、 0.53、 0.55、 1.1 and the activation energies are 74.4 kJ/mol、 100.7 kJ/mol、 170.7 kJ/mol、 312.7 kJ/mol of complex Pd (NH3)4Cl2·H2O.
    用CoatS-Redfern方程进行动力学处理,确定络合物Pd(NH_3)_4Cl_2·H_2O热氧降解的表观反应级数为1.l、0.53、0.55、1.1和活化能为74.4kJ/mol、100.7kJ/mol、170.7kJ/mol、312.7kj/mol.
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  kinetic treatment
The applicability of the universal scheme of chain nonbranched process for kinetic treatment of the peroxy damage of proteins has been demonstrated.
      
The kinetic treatment of the photoreaction of (E)-1-phenylpropene was successful, showing a photo-isomerization and a parallel step.
      
Patients and interventions: Ten patients with ALI (PaO2/FIO2 ratio >amp;lt; 300 mm Hg) were mechanically ventilated in a pressure controlled mode and placed on a kinetic treatment table.
      
Kinetic treatment for the photodimerization reaction of modified natural polyisoprenes
      
Density measurements have been carried out, and the kinetic treatment of the photodimerization reaction is described.
      
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  kinetic treatment
The applicability of the universal scheme of chain nonbranched process for kinetic treatment of the peroxy damage of proteins has been demonstrated.
      
The kinetic treatment of the photoreaction of (E)-1-phenylpropene was successful, showing a photo-isomerization and a parallel step.
      
Patients and interventions: Ten patients with ALI (PaO2/FIO2 ratio >amp;lt; 300 mm Hg) were mechanically ventilated in a pressure controlled mode and placed on a kinetic treatment table.
      
Kinetic treatment for the photodimerization reaction of modified natural polyisoprenes
      
Density measurements have been carried out, and the kinetic treatment of the photodimerization reaction is described.
      
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The Kinetic equation of energy transfer in the entire concentration range for γ-irra-diated n-C12H26-TBP system was obtained by subdivided approximate method, that isHere GA is the number of DBP-MBP molecules formed per 100 eV of energy absorbed by TBP after sensitization in the system, GA0 that of pure TBP, and α the content ofcertain excited state of TBP. It is determined that0.91 1/mol. Theoretical curve agrees well with the experimental results.Kinetic study shows that bimolecular collision mechanism predominates...

The Kinetic equation of energy transfer in the entire concentration range for γ-irra-diated n-C12H26-TBP system was obtained by subdivided approximate method, that isHere GA is the number of DBP-MBP molecules formed per 100 eV of energy absorbed by TBP after sensitization in the system, GA0 that of pure TBP, and α the content ofcertain excited state of TBP. It is determined that0.91 1/mol. Theoretical curve agrees well with the experimental results.Kinetic study shows that bimolecular collision mechanism predominates in the process, of energy transfer, especially at [TBP]<0.3 mol/1. If it is controlled by diffusion, then the energy transfer rate constant k6~1010 1/mol sec and the life time of certain excited state of n-C12H16 is about 10-9 sec. Obviously, when TBP>0.3 mol/1, other energy transfer mechanisms take place.

本文以J.Ganva等和等分别报道的n-C_(12)H_(26)-TBP体系辐解的实验结果为计算对象,用分段近似法求得了体系整个浓度范围的辐射能量转移动力学表达式,求得α k_4/k_1(?)0.60,k_5+k_7/k_6(?)0.27克分子/升,k_6′/k_6(?)0.91升/克分子。理论计算与实验结果满意地吻合。 动力学处理表明,当体系中[TBP]<0.3克分子/升时,能量转移过程为双分子碰撞反应,这时如为扩散控制,则能量转移速率常数K_6(?)10~(10)升/克分子·秒,正十二烷这一激发态的寿命约为10~(-9)秒。当[TBP]>0.3克分子/升时,其他能量转移过程开始起明显作用。

The radiolysis of the dilute aqueous solution of cyanide ion in N_2-containing systemhas been investigated. The yields of the main radiolytic products are as follows:G(glycine) =0.37, G(product of R_f=0.14)=0.15G(product of R_f=0.21)=0.62 G(product of R_f=0.25)=0.34 G(urea)=0.11, G(cyanate)=0.39,G(formamide)=1. 0, G(formaldehyde)=0.08,and G(carbonate)=0.09,It may be considered that urea can be formed by the following reactionHCNO+NH_3→CO(NH_2)_2(1)in this case, G(CNO~-)equals 0.50.The Main radiolytic products...

The radiolysis of the dilute aqueous solution of cyanide ion in N_2-containing systemhas been investigated. The yields of the main radiolytic products are as follows:G(glycine) =0.37, G(product of R_f=0.14)=0.15G(product of R_f=0.21)=0.62 G(product of R_f=0.25)=0.34 G(urea)=0.11, G(cyanate)=0.39,G(formamide)=1. 0, G(formaldehyde)=0.08,and G(carbonate)=0.09,It may be considered that urea can be formed by the following reactionHCNO+NH_3→CO(NH_2)_2(1)in this case, G(CNO~-)equals 0.50.The Main radiolytic products under O_2-lacking conditions also has been investigated.The experimental results and kinetic calculations show that cyanate and formamide canbe formed nof only by the disproportionative reaction (3).2CONH_2→HCNO+HCONH_2 (3)but also by the reactions (9) and (11)H_2CN+·CONH_2→HCNO+H_2CNH (9)HCN~-+·CONH_2→HCONH_2+CN~- (11)where H_2CN and HCN~- radicals were formed by the reactions of H atom and hydratedelectron with HCN. The contributed G(CNO~-) values are 0.36 and 0.14 for the reactions (3) and (9)respectively. The presented G(HCONH_2) values from the reactions (3) and (11) are 0.36and 0.64, separately. The rate constants have been determined: K_(OH+HCO_2~-)=3.2×10~9M~(-1)sec~(-1) from the variations of G values of cyanate versus formate concentrations and2.8×10~9M~(-1)see~(-1) from that of formamide. By using ethanol as scavenger, K_(OH+C_2H_5OH)value has been determined, which is equal to 1.7×10~9M~(-1)sec~(-1). All the values agreewell with the published data. The exprimental result also show that the formation ofglycine is related to hydrated electron and the formaldehyde is formed by spur reaction. The unknown (R_f=0.21) seems to be related to the intermediate product formedby the reaction of hydrated electron with HCN. From the material balance, estimatedG_((_-CN~-~1)) value is equal to 4.5, which is consistent with the experimental value 4.3±0.3,

本文研究了充N_2KCN水溶液体系的γ辐解,测得主要辐解产物产额为:G_((甘氨酸))=0.37,G_((Rf=0.14产物))=0.15,G_((Rf=0.21产物))=0.62,G_((Rf=0.25产物))=0.34,G_((尿素))=0.11,G_((CNO~-))=0.39,G_((HCONh2))=1.0,G_((甲醛))=0.08,G_((CO3~(2-)))=0.09.尿素由下列反应生成: HCNO+NH_3—→CO(NH_2)_2因此G_((CNO~-))=0.50,测定了甲酸钠对主要辐解产物产额的影响,并与缺氧条件下的结果进行了比较。实验和动力学处理结果表明,CNO~-和HCONH_2的生成除与OH自由基有关外,还分别与H(以H_2CN形式)和水化电子(以HCN~-形式)有关。求得由·CONH_2自由基岐化反应生成的G_((CNO~-))和G_((HCONH_2))值分别为0.36,H_2CN与·CONH_2自由基反应生成的G(CNO~-)为0.14,HCN~-与·CONH_?自由基反应生成的G_((HOONHO))为0.64。以_(HCO2~-)为自由基清除剂求得k_(OH+...

本文研究了充N_2KCN水溶液体系的γ辐解,测得主要辐解产物产额为:G_((甘氨酸))=0.37,G_((Rf=0.14产物))=0.15,G_((Rf=0.21产物))=0.62,G_((Rf=0.25产物))=0.34,G_((尿素))=0.11,G_((CNO~-))=0.39,G_((HCONh2))=1.0,G_((甲醛))=0.08,G_((CO3~(2-)))=0.09.尿素由下列反应生成: HCNO+NH_3—→CO(NH_2)_2因此G_((CNO~-))=0.50,测定了甲酸钠对主要辐解产物产额的影响,并与缺氧条件下的结果进行了比较。实验和动力学处理结果表明,CNO~-和HCONH_2的生成除与OH自由基有关外,还分别与H(以H_2CN形式)和水化电子(以HCN~-形式)有关。求得由·CONH_2自由基岐化反应生成的G_((CNO~-))和G_((HCONH_2))值分别为0.36,H_2CN与·CONH_2自由基反应生成的G(CNO~-)为0.14,HCN~-与·CONH_?自由基反应生成的G_((HOONHO))为0.64。以_(HCO2~-)为自由基清除剂求得k_(OH+HCO_2~-)为3.0±2×10~9M~(-1)S~(-1),以C_2H_5OH为自由基清除剂求得k_(OH+C_2H_5OH)=1.7×10~9M~(-1)S~(-1)。 实验表明甘氨酸的生成与水化电子有关,甲醛可能为刺点反应产物,R_f=0.21未知物似乎与水化电子和HCN形成的产物有关。在较高pH值时,使用自由基清扫法,判明了由水化电子和HCN形成的HCN~-在化学行为上与由H原子形成的H_2CN不同。从物料平衡估算得体系每吸收1

The pyrolytic process of polyehlorotrifluoroethylene (PCTFE) in air was studied by using TG-DTG methos. The kinetic parameters were obtained by using the various kinetic approaches and the results were applied in order to evaluate the various kinetic theories and explain the variation of the activation energy during the pyrolytie process in the extent of 5-95% pyrolytie degree. The random pyrolytic mechanism was proposed according to the relations between the pyrolytie extent and rate of pyrolysis. We seccessfully...

The pyrolytic process of polyehlorotrifluoroethylene (PCTFE) in air was studied by using TG-DTG methos. The kinetic parameters were obtained by using the various kinetic approaches and the results were applied in order to evaluate the various kinetic theories and explain the variation of the activation energy during the pyrolytie process in the extent of 5-95% pyrolytie degree. The random pyrolytic mechanism was proposed according to the relations between the pyrolytie extent and rate of pyrolysis. We seccessfully explained the structures of pyrolytic products of PCTFE which appeared in recent literatures, and we also verified the experienced equation of bond dissociation energy proposed by Errede is inappropriate to PCTFE at least.

本文报道在4.1型示差精密热天平上装配了微分单元,组成热重-微商热重(TG-DTG)联用装置用于研究聚三氟氯乙烯在空气中的热裂解动力学过程,并运用几种不同的动力学处理方法所求得的结果来评价各种动力学理论的优缺点和说明聚三氟氯乙烯反应程度在5—95%的整个过程中活化能的变化情况。同时根据裂解程度与能量、裂解速率的关系以及裂解产物结构的鉴定,提出了聚合物无规热裂解机理,解释了迄今文献上所报道的裂解产物的结构。结果还证明了Errede提出的键离解能经验公式不适用于聚三氟氯乙烯的裂解机理。

 
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