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total reaction     
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  总反应
     F=4.89, P < 0.05,the whole day total reaction time was prolonged(88.28±17.41),(90.38±15.57),(142.51±21.72) s,F=4.56,P < 0.05.
     F=4.89,P<0.05犦,全天总反应时间延长犤(88.28±17.41),(90.38±15.57),(142.51±21.72)s,F=4.56,P<0.05犦,且随术后时间的延长错误次数和总反应时间增加(P<0.01)。
短句来源
     The total reaction volume was 50ul in a mixture containing 0.1 ug of genomic DNA, 200 umol/L of each dNTP, 0.4 umol/L of each primer, 1.5 mmol/L Mgcl2, and 2.5 U of Taq DNA Polymerase.
     总反应体系50 ul (10×buffer 5ul, dNTP 200 umol/L,引物 0.4 umol/L,基因组DNA 0.1 ug, Taq酶2.5U, Mgcl2 1.5 mmol/L)。
短句来源
     The results indicated that: the best reaction system is that in 25 μL total reaction volume of RAPD-PCR contained 10-200 ng template DNA, 2.0mmol / L MgCl2, 12 pmol primer, 50 μmol / L dNTP, 1 unit Taq DNA polymerase, 10 times buffer 2.5 μL.
     结果表明,25μL总反应体积中,最佳浓度配比为:模板DNA 40 ng,MgCl2 2.0 mmol/L,引物12 pmol,dNTP 50 μmol/L,Taq DNA聚合酶1 unit,10×反应缓冲液2.5 μL。
     Total reaction volume was 100 μL.
     总反应体积为100μL。
短句来源
     (2) the total reaction volume of Flt-4 is 25ul.
     (2)Flt-4 总反应体积为25ul。
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  反应总
     Measurement of Total Reaction Cross Section of ~6He on ~(28)Si
     丰中子核~6He在~(28)Si靶上的反应总截面测量
短句来源
     Measurement of Total Reaction Cross Sections for~8B and ~9C on Silicon Target
     中能~8B和~9C与Si反应总截面的测量
短句来源
     Total reaction time is about 20h which reduce 10h than other literatures and the yield is 72. 1%.
     反应总时间为20h,反应时间较传统工艺缩短了10h,产品收率为72.1%.
短句来源
     The effluent quality is improved. The ANAMMOX reaction has a total reaction order of 3, and the reaction orders for NH + 4\|N,NO - 2\|N and NO - 3\|N are 1.The reaction constant is -3.43E-5 L 2·(mmol 2·h) -1.
     ANAMMOX反应总反应级数为 3级 ,对NH+4 N、NO- 3 N和NO- 2 N的反应级数均为 1级 ,反应速率常数为 -3 4 3E -5L2 ·(mmol2 ·h) - 1.
短句来源
     Experimental results showed that this process has the advantages of technology and equipment, the total reaction yield 26%, and the purity 98% after refining.
     试验结果表明本路线具有工艺过程简单、设备投资省的特点,反应总收率可达26%,精制后产品纯度在98%以上。
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  核反应总
     Measurements of the total reaction cross section for proton drip line nucleus 12 N at about 50.4 MeV/u on Si target were performed on RIBLL. Compared with its neighbor 13 N, large enhancement of total reaction cross section σ r for 12 N is observed.
     描述了 5 0 .4MeV/u的12 N和 42 .3MeV/u的13 N次级放射性束在2 8Si靶上引起的核反应总截面σr 实验研究 ,结果发现12 N的反应总截面σr 比其相邻同位素核13 N有着异常的增大 .
短句来源
     Excitation Function Measurement of Total Reaction Cross Section at Intermediate Energy for Light Exotic Nuclei
     中能轻奇异核反应总截面的激发函数测量
短句来源
     Study of 2n-Removal and Total Reaction Cross Section Induced by ~11Li in BUU Framework
     利用BUU模型研究~(11)Li的核反应总截面和双中子剥去截面(英文)
短句来源
     Fitting the Data of Exotic Structural Nuclear Total Reaction Cross Section with a Corrected Glauber Model
     改进的Glauber模型对奇异核反应总截面数据的拟合
短句来源
     Total Reaction Cross Section of Nucleus-Nucleus Collision and Density Distributions of Halo Nuclei
     晕核反应总截面和密度分布
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  “total reaction”译为未确定词的双语例句
     The rate equation of the total reaction can be described asγ=1.85×10~(-7)C_(FeCl_3)~(1.18)C_(OH~-)~(2.09)C_(Cl_2)~(0.55), activation energy E_a=146.9×10~3J/mol.
     该气液反应的速率方程为:γ=1.85×10~(-7)C_(FeCl_3)~(1.18)C_(OH~-)~(2.09)C_(Cl_2)~(0.55),活化能E_a=146.9×10~3J/mol。
短句来源
     Results and conclusion Using amide complex catalyst,with a proportion of n(VB6):n(SOCl2)=1.0∶13.0,t1=55℃,t2=60℃,total reaction time of 1.5h,and thionylchloride decomposition time over 0.5h,the yield can reach 99%.
     结果及结论当使用酰胺类复配催化剂并且n(VB6):n(SOCl2)=1.0∶13.0,t1=55℃,t2=60℃时,反应时间共1.5h,用盐酸分解二氯亚砜时间大于0.5h,收率为99%。
短句来源
     An optimal reaction system and conditions are composed by 75 ng template DNA, 2.1 mmol/L Mg~(2+), 200 μmol/L dNTP,0.2 pm·μL~(-1),10×buffer 2.5 uL, 1.5 U TaqDNA polymerase,25 uL total reaction buffer.
     结果表明,叶片基因组DNA的RAPD扩增最佳反应体系是:DNA模板用量为75ng,Mg2+浓度2.1mmol/L,dNTP浓度200μmol/L,随机引物浓度为0.2pm/μL,10×buffer2.5uL,TaqDNA聚合酶1.5个单位,反应总体积25uL;
短句来源
     The optimum reaction condition of RAPD analysis system for Dangshansu pear was as follows: total reaction volume 50μl, including about 80 ng template DNA,5 μL 10×PCR Buffer purchased, 20 mmol/L MgCl2,120 μmol/L dNTPs,3 unite Taq polymerase, 05 μmol/L random primer;
     优化的RAPD反应体系为:反应体积50μL,包含80ng左右模板DNA、5μL市售10×PCRBuffer、2.0mmol/LMgCl2、120μmol/LdNTPs、3U的Taq酶、0.5μmol/L随机引物;
短句来源
     Through ladder experiments , the reliable RAPD analysis system is established. The total reaction volume is 25 μL and reaction mixture consist of 2. 5 μL 10×Buffe, 2 ng/μL Template DNA,0. 2 mmol/L dNTPs,2. 5 mmol/L Mg2+, 0. 2 /μmol/L random Primer and 0. 06 U/μL Hotstar Taq DNA polymerase.
     反应体系总体积为25μL,各组分浓度为:10×Buffer 2.5μL,Mg2+ 2.5 mmol/L,Taq DNA polymerase 0.06 U/μL,dNTPs 0.2 mmol/L,Primer 0.2 μmol/L.Template DNA 1.2 ng/μL。 PCR循环程序为:94 C预变性4 min;
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  total reaction
That is, the contribution of intercalated metalcarbon complex to total reaction intermediates was larger in K2CO3 than Na2CO3.
      
On the contrary, when Cu is alloyed with Ni, the rate of thickness change of the total reaction layer first increases and reaches a maximum at a composition of about 10 at.% Ni.
      
The total reaction rate is determined by the sum of the rates of the processes with the participation of the T1 and T2 states.
      
The total reaction cross sections are also obtained as functions of k2.
      
By comparing with the oxidizability of compact titanium, we estimated the total reaction surface S of the porous specimens as a function of their oxidation conditions.
      
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In experiments on cyclic photophosphorylation by spinach (Spinacia oleracea), lettuce (Lactuca sativa) and Swiss chard (Beta vulgaris) chloroplasts, it was found that the rate of photophosphorylation by chloroplasts from any one of the three species was significantly enhanced by supernatants of the crude chloroplast preparation ("homogenate") from another species. This phenomenon is tentatively designated as "complementary action" of photophosphorylation between different plant species. The main results of these...

In experiments on cyclic photophosphorylation by spinach (Spinacia oleracea), lettuce (Lactuca sativa) and Swiss chard (Beta vulgaris) chloroplasts, it was found that the rate of photophosphorylation by chloroplasts from any one of the three species was significantly enhanced by supernatants of the crude chloroplast preparation ("homogenate") from another species. This phenomenon is tentatively designated as "complementary action" of photophosphorylation between different plant species. The main results of these experiments are summarized as follows:When crude chloroplast preparations ("homogenates") from leaves of spinach and of Swiss chard were mixed together, the resulting mixture showed a much higher rate of photophosphorylation than that of spinach homogenate alone.When homogenates were freed of chloroplast and of PS Ⅱ and PS Ⅰ fragments by centrifugation at 1000×g (15min), 10000×g (30min) and 140000×g (30min) respectively (designated as supernatants S_1,S_2 and S_3 respectively), such "complementary action" can still be obtained, and even to a more pronounced degree.With supernatant S_3, which should be practically free of any PSⅠ and PSⅡ fragments as well as of whole chloroplasts, the addition of supernatants from Swiss chard to spinach or lettuce chloroplasts accelerated the rates of photophosphorylation significantly, but it has no effect on Swiss chard chloroplasts themselves. On the other hand, while the addition of spinach supernatant S_3 to Swiss chard or lettuce chloroplasts showed a similar stimulation of photophosphorylation activity, it reduced the activity of spinach chloroplasts to almost one half of the control. Supernatant from lettuce also showed the same "complementary action" by stimulating the rates of phosphorylation by spinach and Swiss chard chloroplasts, but it also stimulated the rate of photophosphorylation by chloroplasts from the same species (lettuce).Results with supernatants S_0 and S_1 which are practically devoid of whole chloroplasts and PS I fragments respectively, gave essentially similar results, but the degree of stimulation is not so marked and not as steady as in experiments using S_3. The stimulting action of the supernatants is concentration dependent. In a total reaction volume of 3 ml, stimulation becomes more pronounced from 0.2 to 0.6ml of added supernatant when a maximum is reached. After that, the stimulation effect decreases as the amounts of added supernatants are increased, up to 1ml. This is taken to mean that besides a stimulating factor or factors, the supernatant also contains an inhibiting factor or factors.Heating the supernatant (S_3) to 100℃ for 5min destroys about 2/3 of the stimulating action of the supernatant. The destruction is not complete, leaving behind a residual heat stable fraction amounting to l/4th of the control. This is taken as evidence for the presence of two types of stimulating substances in the supernatant: a heat labile major fraction and a heat stable minor fraction.From these main results and subsidiary experiments reported in the paper, the following tentative conclusions are drawn:1. There is present in supernatants from centrifuged chloroplast preparations a factor (or factors) capable of stimulating PMS mediated cyclic photophosphorylation in spinach, lettuce and Swiss chard. The effect is more prononnced and consistent when the supernatant from one plant species is added to the chloroplasts from another species ("complementary action").Since the factor(s) is effective on whole chloroplasts not subjected to EDTA treatment, its identity with the coupling factor of phosphorylation appears unlikely.2. The stimulating factor (s) contains two fractions: a heat stable fraction, and a heat labile fraction. While the smaller heat stable fraction may be attributable to phosphodoxin, the larger heat labile fraction can not be accounted for by the properties of that substance which is known to be heat stable.3. The possibility that the stimulating factor(s) may be primary electron acceptor (s) for PS I, such as FRS, bound ferredoxin or P430 cannot be ruled out, the fact that it is not tightly bound to chloroplast fragments, but is present in the supernatant even after 1000×g (16min) or 140000×g (30min) centrifugation makes it doubtful that it is of the nature of primary electron acceptors which are known to be quite firmly bound to chloroplast lamella. Preliminary examination showed that the absorption spectrum of the supernatant differs from that of any of the above mentioned acceptors. Gel filtration with Sephadex G75 gave an approximate molecular weight of 60000 for the stimulating factors, separable into three fractions.

甜菜叶片的匀浆用10000×g和140000×g离心后,其上清液中有一种(或几种)物质,这种物质对菠菜和莴苣叶绿体的环式磷酸化反应速度有很强的促进作用,对于甜菜本身叶绿体则没有作用。上清液用丙酮沉淀或凝胶过滤后仍有活性。经过100℃温度处理后四分之三的活性丧失。初步测定这种物质的分子量在60000以上。菠菜上清液对甜菜和莴苣叶绿体的环式磷酸化亦有促进作用,对菠菜叶绿体本身则无促进作用。莴苣上清液对甜菜、菠菜和莴苣本身叶绿体的环式磷酸化都有促进作用。这种现象我们暂称之为“互补”效应。

The activity and selectivity of n-pentane isomerization over H-mordenite and 0.5 wt% Pd/H-mordenite were studied at 280℃ under the total reaction pressure of 1.961 M Pa. The acidic properties of the catalysts were studied by neans of the IR technique and the pulse technique. The results showed that sites of two different locations were involved in the reactions of n-pentane on H-mordenite and the strong acid sites situated inside the channels of the dealuminated H-mordenite might be the active centres...

The activity and selectivity of n-pentane isomerization over H-mordenite and 0.5 wt% Pd/H-mordenite were studied at 280℃ under the total reaction pressure of 1.961 M Pa. The acidic properties of the catalysts were studied by neans of the IR technique and the pulse technique. The results showed that sites of two different locations were involved in the reactions of n-pentane on H-mordenite and the strong acid sites situated inside the channels of the dealuminated H-mordenite might be the active centres for catalyzing n-pentane cracking reaction. The presence of the exchanged Pd ions would first capture the position near the strong acid sites and eliminate the activity of the n-pentane cracking reaction centers; accordingly, the selectivity of n-pentane isomerization would be improved.

本文在280℃和临氢总压为1.961M Pa的反应条件下,考察了正戊烷在氢型丝光沸石和0.5(重)%钯/氢型丝光沸石上异构化反应的活性和选择性,并以钯啶作探针,用脉冲色谱法和红外光谱法测定了催化剂的酸量及酸位性质。结果表明,氢型丝光沸石上存在着催化正戊烷异构化和裂化反应的两种活性中心,该沸石孔道内部脱铝位附近的强酸中心可能是正戊烷的裂化反应活性位,钯的引进将优先定位于这一强酸中心附近,因而去除了裂化反应源,改善了正戊烷异构化反应的选择性。

The experimental results of sequential fission are presented for collision of ~(238)U (5.4MeV/u) on ~(48)Ca, ~(45)Sc and ~(238)U(6.0 MeV/u)on ~(16)O, ~(27)A1,~(48)Ca, ~(45)Sc, ~(48)Ti,~(58) Fe, ~(64)Ni and ~(89)Y targets. The measurements of ternary events in exit channel have been performed by triple coincidence among 4 PPAC with area of 20 cm×30 cm. The reconstruction of ternary events are performed by direct kinematics and the fission partner among three fragments is identified by relative velocities between...

The experimental results of sequential fission are presented for collision of ~(238)U (5.4MeV/u) on ~(48)Ca, ~(45)Sc and ~(238)U(6.0 MeV/u)on ~(16)O, ~(27)A1,~(48)Ca, ~(45)Sc, ~(48)Ti,~(58) Fe, ~(64)Ni and ~(89)Y targets. The measurements of ternary events in exit channel have been performed by triple coincidence among 4 PPAC with area of 20 cm×30 cm. The reconstruction of ternary events are performed by direct kinematics and the fission partner among three fragments is identified by relative velocities between them. The detection geometry efficiency is determind by a Monte-Carlo simulation.Before the sequential fission, U-like fragments are scattered near grazing angle. The most probable value of TKEL in the scattering process associated with S. F. changes from 25MeV to 55MeV for different reaction systems. The angular distributions of debris of S. F. in second C. M. are isotropic.In conclusion, because of lower fission threshold at Uranium region, the sequential fission mainly follows quasielastic scattering, in S. F. cross-section σ_(S.F.), there is strong shell effect. A simple relationship between σ_(S.F.) over σ_R, the total reaction cross-section and Sommerfeld parameters S for nuclei with magic number are obtained.

本实验测量了~(238)U(5.4MeV/u)轰击~(48)Ca、~(45)Sc靶和~(238)U(6.0MeV/u)轰击~(16)O、~(27)A1、~(48)Ca、~(45)sc、~(48)Ti、~(58)Fe、~(64)Ni及~(89)Y靶等10个反应系统的三体碎片符合出射道。得到了跟随裂变截面、总动能损失、碎片动能和质量分布以及碎片在第一质心与第二质心的角分布等。实验用了4片200ram×300mm的双维位敏雪崩计数器,给出了关联的空间位置信息与飞行时间。三体事件用运动学直接求解,其中识别裂变对碎片是基于该对之间相对速度为2.4cm/ns的事实。探测几何效率用蒙特卡罗模拟计算来确定。实验表明,跟随裂变源于准弹性散射,其截面σ_(S·F)较大,对于~(27)Al靶,σ_(S·F)为总截面的15%,而~(89)Y靶为70%。同时发现,对于幻核靶,σ_(S·F)与索末费尔得参数之间有简单的线性关系。

 
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