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sufficient space
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  必要的空间
     The paper presents the research of a new curriculum system of business English which aims at the demand of times-students-centered, which provides sufficient space for students' individual potentialities.
     论述了经贸英语课程体系的构建必须着眼于时代的要求 ,以学生发展为中心 ,为学生个体潜能的开发提供必要的空间
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  “sufficient space”译为未确定词的双语例句
     All of the results prove the ODA/(PMo10V2O40)5- LB film is steady in structure and properties and well-define between layers. The PMo10V2O405- anion distributes homogeneously in layers. There are sufficient space and channel in layers permitting the heteropoly anion to land the area of electrode and carry out the reaction of electrochemistry.
     所有结果证明所得ODA/PMo_(10)V_2O_(40)~(5-)LB膜结构性质稳定,层间重叠有序,PMo_(10)V_2O_(40)~(5-)阴离子在层中均匀分布,层中间有足够的空间和通道允许杂多阴离子到达电极表面发生电化学反应,并证明这是一个双电子伴随着双质子的过程。
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     For historical reasons, there is no sufficient space for traffic in the city proper of Shanghai, and the facility cannot meet the increasing demand for traffic despite years of construction.
     由于历史的原因,上海市区没有足够的交通空间,虽经过多年的建设,交通设施依然满足不了迅速增长的交通需求;
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     After his alienation from the dominant poetic language,Mu Dan was free to express in poems the unique individual feelings about time and ego and hence established independent self sufficient space of ego in poems.
     在自动疏离主流话语之后 ,诗人在诗歌创作中自由表达生命个体对于时代与自我的独特感受 ,从而在诗歌文本中建构起一个独立自足的主体空间
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     On the contrary, the advantageous geopolitical environment made Thailand become the natural buffering zone of colonial struggle between Great Britain and France, which left sufficient space for the advancement, even success for RamaⅤreformation.
     而暹罗有利的地缘政治环境使它成为英法两国殖民争夺自然的缓冲地带 ,为拉玛五世改革的进展以至于成功提供了足够的空间和余地。
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     it would be conductive to the solid development of competitive sports in China to show attention on cost accounting and payment issues regarding athletes' performances,keep up the enthusiasm of nongovernmental investors on professional sports market,and provide sufficient space for development for high performance sports teams/athletes in colleges and universities;
     高度重视运动员成绩的成本核算与报酬问题、保护职业体育市场中民间投资者的热情、给予高校高水平运动队(员)足够的发展空间有助于夯实中国竞技体育的基础。
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  相似匹配句对
     SPACE
     空间
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     ON D - SPACE
     关于D-空间
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     A SUFFICIENT CONDITION FOR WASPLUND SPACE
     wASplund空间的一个充分条件
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     The sufficient conditions for the frames on Sobolev space
     Sobolev空间H~s(R)上框架的充分条件
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     v are also sufficient.
     v〕存在的必要条件同时也是充分的.
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  sufficient space
The approach handles congested transit networks, where some passengers will not be able to board because of the absence of sufficient space.
      
If sufficient space is available, an expanding mode I crack accelerates to a constant velocity, which appears to prevail even after branching and multiple-branching.
      
Lack of sufficient space may lead to the formation of "dwarf zooids" or "remainder cystids".
      
This subsidence phase generated sufficient space to accommodate thick synorogenic sequences derived from the orogenic flanks of the Sauce Grande and Karoo basins.
      
The drift was dependent on the strength of the current, the number of spawning females, the presence of suitable hiding places, sufficient space and adequate food.
      
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The radiolysis of air-free CCl_4 has been well investigated.Using D.P.P.H.Br_2or HI as “scavenger”,the G value of the radicals and the “molecular” products havebeen determined.But the mechanism of radiolysis of CCl_4 in the presence of air isstill not clarified.The main difficulty is that the G value of the back reaction CCl_3+Cl_2→CCl_4+Cl during irradiation has not been determined.It is impossible tocompare the yield of chlorine with G_R value obtained by D.P.P.H method,and tocarry out kinetic calculations.In...

The radiolysis of air-free CCl_4 has been well investigated.Using D.P.P.H.Br_2or HI as “scavenger”,the G value of the radicals and the “molecular” products havebeen determined.But the mechanism of radiolysis of CCl_4 in the presence of air isstill not clarified.The main difficulty is that the G value of the back reaction CCl_3+Cl_2→CCl_4+Cl during irradiation has not been determined.It is impossible tocompare the yield of chlorine with G_R value obtained by D.P.P.H method,and tocarry out kinetic calculations.In order to eliminate the back reaction we havesuccessfully used tagged triphenyl antimony (~(124) Sb) to remove Cl_2 formed duringirradiation according to the following reaction(C_6H_5) _3Sb+Cl_2→(C_6H_5) _3SbCl_2Thus,not only the G value of Cl_2 and CCl_4 can be determined but the kineticcalculation may also be performed.After the irradiation of the system,the radiolytic products were quantitativelyseparated by chromatography on an Al_2O_3 column.Elution with benzene,gave(C_6H_5) _3Sb (m.p 52℃),elution with ethanol gave (C_6H_5) _3Sb(OH)_2 (m.p 218~219℃,containing Sb 31. 5%),which is formed from the hydrolysis of (C_6H_5) _3SbCl_2(C_6H_5) _3SbCl_2(C_6H_5) _3Sb(OH)_2+2HClG_((C_6H_5) _3SbCl_2) ,value (22. 0) obtained from the chromatographic method,is in agreementwith that (22. 3) obtained from the isotope dilution method.Finally,elution with 0. 01N aqueous NaOH gave a fraction which may be(C_6H_5) _3Sb(C_6H_5) _2SbO_2H or (C_6H_5) _2SbOH.This component will be transferredinto the inorganic phase and the peak in NaOH will disappear in the chromatographyif the irradiated carbon tetrachloride is extracted with 12% HCl.We have determined G_(Cl) of CCl_4 in the presence of air,G_(Cl_2) =5. 3±0. 2.The radiolysis of (C_6H_5) _3Sb-air-CCl_4 systems is an oxygen consuming process(see Fig 1 Chinese text).Therefore,when the concentration effect of (C_6H_5) _3Sb is investigated,the absorbed dose should be controlled under 7. 05×10~(18) eV/ml-CCl_4.From the dependence of G_((C_6H_5) SbCl_2) on the conecntrations of (C_6H_5) _3Sb in thesystem of (C_6H_5) aSb-air-CCl_4 (see Fig.2 Chinese text),it can be shown that:(1)G_((C_6H_5) SbCl_2) increases with the increasing concentration of (C_6H_5) _3Sb and eventuallyapproachs a constant value (G_((C_6H_5) SbCl_2) ≈21. 7) .It means that the back reaction,CCl_3+Cl_2→CCl_4+Cl,is inhibited.G_(-Cl) of the back reaction is obtained by thesubtraction of G_(Cl) from G_((C_6H_5) SbCl_2) ,namelyG_(-Cl_2) =G_((C_6H_5) SbCl_2) -G_(Cl_2) =21. 7-5. 3=16. 4(2) The yield of unknown species in NaOH fraction is about 7 and is veryinsensitive to the variation of (C_6H_5) _3Sb concentration.The unknown species may bethe reaction products of (C_6H_5) _3Sb and Cl~*,thus:ororHence,G value (~7) in NaOH fraction probably represents the yield of Cl~* atoms.By using G value of triphenyl antimony dichloride and suggesting the followingmechanism for the production of chlorineCCl_3+O_2→CCl_3O_2CCl_3O_2→COCl_2+ClOClO+CCl_4→COCl_2+Cl_2+ClCl+Cl→Cl_2G_(CCL_) and G_(Cl+Cl~*) could be evaluated.Assuming G_(CCl_) being approximately equal toG_(Cl+Cl~*),then one molecule CCl_4 will form two Cl_2 molecules under gamma irradiation.Let x be the number of OCl_4 molecules changed per 100 eV of energy absorbed,thenxCCl_4→xCC1_3+xClThere are seven Cl~* atoms and x-7 Cl atoms in the x chlorine atoms.Hence,we havethe following relationsG_(Cl_2) =G_((C_6H_5) _3SbCl_2-0. 6=21. 7-0. 6=21. 1where.0. 6 is the G value of the “molecular” product of chlorineand 2x-7/2=21. 1solving for x,we get namely This value agrees well with the result obtained by D.P.P.H method.We have investigated the radiolysis kinetics of (C_6H_5) _3Sb-CCl_4 in the presenceof air with steady state theory.The following nine main reactions were assumed.2CCl_4(CCl_3) _2+Cl_2 (0)CCl_4CCl_3+Cl(Cl+Cl~*) (1)CCl_3+ClCCl_4 (2)CCl_3+Cl_2CCl_4+Cl (3)CCl_3+O_2COCl_2+ClO (4)ClO+CCl_4COCl_2+Cl_2+Cl (5)Cl~*+CCl_4CCl_3+Cl_2 (6)Cl+ClCl_2 (7)(C_6H_5) _3Sb+Cl_2(C_6H_5) _3SbCl_2 (8)The true reaction For Eq.(4) would be written asCCl_3+O_2→CCl_3O_2→COCl_2+ClOIn order to simplify the oomputation,the following conditions were assumed(1) Because the yields of the cemponent in NaOH fraction was unehanged withthe variation of the concentrations of (C_6H_5) _3Sb (G≈7) ,it was assumed that thiscomponent was the reaction products between Cl~* and (C_6H_5) 3_Sb.Therefore,thereaction (6) was neglected in the following calculations.(2) Considering the consistence between the radical yields obtained by beth D.P.P.H method and (C_6H_5) _3Sb method,we oonoluded that the reaction,CCl_3+O_2→CCl_3O_2 was so fast in the presence of air that the recombination of radicals escapedfrom the track (CCl_3-Cl→CCl_4) can be neglected.(3) The yield of the “molecular” products in the spur reaction,is rather low(G_(Cl_2) =0. 47-0. 80,here taking as 0. 60) .The reaction (2CCl_4→(CCl_3) _2+Cl_2) canbe neglected.So we have wherehere,taking G_(-CCl_4) =12. 3,N_0is Avogadro's number.When steady state has been established.Solving Eqs.(1) to (5) ,we haveThe equation (6) represents the relation between Cl_2 and the concentration of(C_6H_5) _3Sb in the irradiated system at steady state.This equation shows that Cl_2concentration in the irradiated system is deereased gradually while the concentrationof (C_6H_5) _3Sb is increased.It means that (C_6H_5) _3Sb effectively inbibits Cl_2 accumulation.Using equations (5) and (6) we get the desired expressionwhereThe solubility of O_2 in CCl_4 is 2×10~(-3) M at 25℃.As the irradiation container wasleft with a sufficient space for air and a controlled dose was used,the comsumed oxygenwas practically negleoted.The O_2 concentration can be approximately taken as aconstant.where N is the oonversion ooeffioient,and M_((C_6H_5) _3Sb) is the molecular weight of (C_6H_5) _3Sb(the concentration of triphenyl antinomy in equation (7) is expressed by mg/ml CCl_4) .From equation (7) we can obtain the maximum of G_((C_6H_5) _3SbCl) being about 21. 0.The difference between it and the experimental value (21. 7) is 0. 7. This smalldifference may be due to the omission of the “molooular” yield,0. 6,in the deductionof equation (7) .If the “molecular” yield is considered,but the correction of theunknown species in the NaOH fraotion is omitted,then the equation will have thefollowing form whereUsing equation (7) and (10) and setting A′=3. 3 and A′=1. 7 correspondingly,thetheoretical curves of the variation of G_((C_4H_5) _3SbCl_) with the concentrations of (C_6H_5) _3Sbare plotted in Fig.2 (Chinese text) Comparing these with the experimental curve (seeFig.2) ,it can be seen that except those points of which concentration in (C_6H_5) _3Sb isless than 16 mg/ml-CCl_4 the experimental curve is in agreement with the theoreticalcurve within an error of 10%.On the basis of the agreement between the ourves obtained by the kineticcalculation and by experiments,it can be concluded that the above-mentioned ninereactions are main reactions in the radiolysis of the system (C_6H_5) _3Sb-air-CCl_4.

用三苯基锑作为氯气的吸收剂,研究了~(60) Coγ射线对四氯化碳、三苯基锑-空气-四氯化碳体系的辐射效应.用氧化铝柱层析法分离辐解产物,分别求得■(可能为逆反应 CCl_3+Cl_2-→CCl_4+Cl 消耗的氯的 G 值),并根据■值计算出自由基产额 G_R=24. 6,与 D.P.P.H 法测得的 G_R=25基本一致.当三苯基锑浓度大于每毫升24毫克时,三苯基锑能有效地抑制氯气与 CCl_3基之间的逆反应.由实验求得■和三苯基锑浓度间的关系曲线,并与用稳定态理论导出的理论曲线进行比较,发现两者基本一致.

The early transitional coal-bearing strata of Early Permian contains more than 30coal-beds. The formation of these coal-beds was strictly controlled by eustatic movement andstorm surges. During the frequent transgressive and regressive periods, a large realm ofnearshore plain is formd. Such a plain rnay provide sufficient space for the coal accurnulation,but there often can not maintain enough time for the continuous accumulation of swamp rnaterials. Frequent storm surge may affect the coal accumulation...

The early transitional coal-bearing strata of Early Permian contains more than 30coal-beds. The formation of these coal-beds was strictly controlled by eustatic movement andstorm surges. During the frequent transgressive and regressive periods, a large realm ofnearshore plain is formd. Such a plain rnay provide sufficient space for the coal accurnulation,but there often can not maintain enough time for the continuous accumulation of swamp rnaterials. Frequent storm surge may affect the coal accumulation destructively or constructively. Forexarnple, the storm swashes may scour strongly the coal-beds in nearshore swamp, and the seaward flows may Carry a large amount of swarnp rnaterials to redeposit in neritic environrnnts.Onshore dunes rnay be formed in gentle tidal sone by storm swash, new coal accurnulating spotsrnay occur in the side toward land; but these spots may be destroyed by the next coming largerstorm swash. So the coal accurnulating process is very comlicated and special because of thefrequent changes of sea level and storm surge.

华北盆地南部早二叠世早期形成的海陆交替相含煤地层,含有多达30余层煤。这些为数众多的煤层在其形成过程中,受到海水进退和风暴潮2种动力作用的控制。频繁的海水进退,虽然多次为本区的聚煤场所提供了广阔的空间,但未能给滨海沼泽内泥炭物质的持续堆积带来足够的时间。频繁的风暴潮作用对策煤场所既有破坏性又有建设性:风暴上升流可以强烈地侵蚀滨海沼泽的泥炭层,风暴下降流又可将大量的泥炭物质携带到浅海环境再沉积;风暴上升流可以在平缓开阔的潮汐地带上建造成平行海岸线的沙脊,使沙脊靠陆一侧成为新的聚煤场所,下一次较大的风暴上升流又可荡平这些新建立起来的聚煤场所。因此本区的聚煤作用既复杂又特殊。

The reversible photochemistry of phycoerythrocyanin α subunit (α PEC) has been measured by low temperature absorption and circular dichroism from -150℃ to +20℃. It is shown that a) lower than -90℃, the photochemistry is silent; b) higher than -70℃, the photochemistry increases gradually and no indication for intermediate; c) from -70℃ to -90℃, some signals in absorption and circular dichroism can be observed that maybe represent certain intermediates on reversible photochemistry of α PEC. The results suggest...

The reversible photochemistry of phycoerythrocyanin α subunit (α PEC) has been measured by low temperature absorption and circular dichroism from -150℃ to +20℃. It is shown that a) lower than -90℃, the photochemistry is silent; b) higher than -70℃, the photochemistry increases gradually and no indication for intermediate; c) from -70℃ to -90℃, some signals in absorption and circular dichroism can be observed that maybe represent certain intermediates on reversible photochemistry of α PEC. The results suggest that in α PEC there does not exist sufficient space for isomerization of chromophore, and the isomerization of chromophore must then be assisted and facilitated by concomitant structural changes of apoprotein.

在-150~+20℃范围测定了藻红蓝蛋白α-亚基的低温紫外-可见吸收光谱和圆二色光谱.通过这些光谱测定表明:在温度低于-90℃时藻红蓝蛋白α-亚基可逆光化学反应很小,在温度高于-70℃时藻红蓝蛋白α-亚基能发生可逆光化学反应但不存在中间态.-70~-90℃时藻红蓝蛋白α-亚基的可逆光化学反应在紫外-可见吸收光谱和圆二色光谱中产生特定的信号,它们可能相应于藻红蓝蛋白α-亚基可逆光化学反应过程的中间态.这些实验还表明:藻红蓝蛋白α-亚基的脱辅基蛋白没有形成一个特定的空间来允许其辅基色素发生可逆光化学顺反异构化,其中辅基色素的可逆光化学顺反异构化只有在脱辅基蛋白的结构同时发生相应变化时才能发生

 
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