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是可能
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  it is possible
     According to the principle of Van'tHoff's chemical equilibrium and identification of diraction for chemicalreaction, it is possible that the netlike structure of silica dioxide in opticalfiber could react with H_2O or OH~-, and the equilibrium constants areK_(P(H_2O))=P_(H_2O) and K_(C(OH~-))=C_(OH~-) respectively.
     根据Van't Hoff化学平衡原理及判别反应变化的方向,认为OH~-基团或H_2O与SiO_2玻璃体反应是可能的,其反应的平衡常数分别为K_(C(OH~-))=C_(OH~-)和K_(P(H_2O))=P_(H_2O)。
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     Owing to the difference in immunophenotype, it is possible to distinguish T-SLL/CLL from B-SLL/CLL. But the differentiation of T-SLL from T-CLL and B-SLL from B-CLL is extremely difficult.
     由于免疫表型不同,区別T或B-SLL/CLL是可能的,但要区别B-SLL/CLL或者区別T-SLL/CLL是十分困难的。
短句来源
     The results show that it is possible to use the CaO -FetO-CaF_2-SiO_2 system reagent for dephosphorization and desulphurization of medium phosphorus hot metal or semi-steel. Na_2CO_3, SrSO_1and CaCl_2 were used as additions.
     结果表明:采用CaO—Fe_1O—CaF_2—SiO_2系熔剂对中磷铁水或半钢脱磷和脱硫是可能的,用Na_2CO_3、SrSO_4、CaCl_2作为添加剂。
短句来源
     it is possible to cure concrete with microwave.
     由于混凝土中含有水 ,用微波来养护混凝土是可能的。
短句来源
     In reference [2] the grounding mesh model for Three Gorges Hydroelectric Station is calculated and the conclusion is that under a certain condition of technology and economy it is possible to reduce the grounding resistance of the power station to 0.15W or lower.
     文献[2]对三峡电站的模型地网进行了计算,认为在一定的技术经济条件下,将三峡电站的接地电阻降低至0.15W及以下是可能的。
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  is possible to
     Owing to the difference in immunophenotype, it is possible to distinguish T-SLL/CLL from B-SLL/CLL. But the differentiation of T-SLL from T-CLL and B-SLL from B-CLL is extremely difficult.
     由于免疫表型不同,区別T或B-SLL/CLL是可能的,但要区别B-SLL/CLL或者区別T-SLL/CLL是十分困难的。
短句来源
     The results show that it is possible to use the CaO -FetO-CaF_2-SiO_2 system reagent for dephosphorization and desulphurization of medium phosphorus hot metal or semi-steel. Na_2CO_3, SrSO_1and CaCl_2 were used as additions.
     结果表明:采用CaO—Fe_1O—CaF_2—SiO_2系熔剂对中磷铁水或半钢脱磷和脱硫是可能的,用Na_2CO_3、SrSO_4、CaCl_2作为添加剂。
短句来源
     it is possible to cure concrete with microwave.
     由于混凝土中含有水 ,用微波来养护混凝土是可能的。
短句来源
     In reference [2] the grounding mesh model for Three Gorges Hydroelectric Station is calculated and the conclusion is that under a certain condition of technology and economy it is possible to reduce the grounding resistance of the power station to 0.15W or lower.
     文献[2]对三峡电站的模型地网进行了计算,认为在一定的技术经济条件下,将三峡电站的接地电阻降低至0.15W及以下是可能的。
短句来源
     Secondly, scientifically investing the limited resources into safety is possible to optimize the safety benefit.
     ②在可投入安全的资源是有限的条件下,通过科学的方法,用有限的投资获得最大的安全效益是可能的。
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  is probable
     This shows that the determiation of elements with different volatility by ETV-ICP-AES with PTFE as matrix modifier is probable.
     这表明,以PTFE为基体改进剂ETV-ICP-AES测定不同挥发性元素Ti、Ni和Pb是可能的。
短句来源
     After primary analysis and comparison and discussions in the Coor- dination Committee of Automobile and Automotive Oil Products, it is believed the scheme No. 2, i. e. to increase the proportion of premium gasoline to 70~80% by 1993 and to completely change over to premium gasoline by 1995, is probable to realize.
     通过初步测算和分析比较,经汽车与汽车用油材料发展协调委员会讨论,认为力争实现方案2的目标是可能的,即1993年高标号汽油的比例将达到70~80%,1995年实现车用汽油的全面升级换代。
短句来源
     The international resources of importing natura gas in China is probable, and the price is beneficial.
     我国进口天然气的国际资源条件是可能的,价格是有利的。
短句来源
     Textual meaning is knowable. It is possible to grasp and the correct understanding of it is probable.
     文本意义是可知的,是可能被把握的,正确理解是可能的。
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  “是可能”译为未确定词的双语例句
     This meansthat thebodycentered cubic structure of the H92 +cluster may exist stably.
     这表明H92+团簇的体心立方结构是稳定的结构,H2+团簇是可能存在的.
短句来源
     The recognition of LPS by TLR4 must go through the TLR4/MD-2 complex, and MD-2 is a key regulatory molecule in sepsis.
     脓毒症时TLR4识别LPS是可能以TLR4/MD-2复合体的形式完成的,且在识别过程中MD-2是TLR4必需的作用分子。
短句来源
     In this model, the gauged color—flaver subgroup SU(3)×SU(2)_L×U(1)_Y is asymptotically free at the preon level and the global chiral symmetry SU(15)×SU(3) remains unbroken, therefore it might exist that a realistic physical scale ∧_(CF)<∧_(MC)《∧_(GUT).
     模型中规范色—味子群SU(3)_C×SU(2)_L×U(1)_Y在前子层次具有渐近自由性质,同时整体手征对称群SU(15)×SU(3)不破缺,因此现实中有兴趣的物理标度∧_(CF)<∧_(MC)《∧_(GUT)是可能存在的。
短句来源
     The thermodynamical possibility of the CO 2 hydrogenation to acetaldehyde was analyzed and the result showed that CO 2 hydrogenation to acetaldehyde under pressure of 3.0  ̄4.0MPa and at tempreture of 180 ̄300°C is possible.
     经热力学分析得出:当压力在3.0~4.0MPa,温度在180~300°C的范围内,CO2加氢生成乙醛在热力学上是可能的。
短句来源
     Thermodynamic factors are thus quite favorable for the formation of Sr@C50 and Ba@C50.
     从热力学或动力学角度分析,形成D5h对称性的Sr@C50,Ba@C50包合物都是可能的.
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  it is possible
It is possible to replace K? by some conjugate xK?x-1 so that the correspondence is preserved.
      
It is shown that it is possible to construct an analogue of the
      
The purpose of this paper is to make clear the so-called Nomizu problem, whether it is possible to find examples of space-like isoparametric hypersurfaces in H1n+1 with more than two distinct principal curvatures.
      
It is possible that this mutation severely impairs enzymatic activity and is the underlying basis for the pathology seen in this patient with Hunter syndrome.
      
Therefore, it is possible to adjust the thermal effects and optimize the process.
      
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  is possible to
It is possible to replace K? by some conjugate xK?x-1 so that the correspondence is preserved.
      
It is shown that it is possible to construct an analogue of the
      
The purpose of this paper is to make clear the so-called Nomizu problem, whether it is possible to find examples of space-like isoparametric hypersurfaces in H1n+1 with more than two distinct principal curvatures.
      
Therefore, it is possible to adjust the thermal effects and optimize the process.
      
Despite the nonconvexity of the terminal set, by which the circumference serves, it is possible to perform the proof of the unsolvability with the aid of a rather simple mathematical technique on the basis of the Schauder theorem for the fixed point.
      
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  is probable
It is probable that the investigated compounds activate the same proteins at the initial induction steps, which correlates with the formation of B1, B2, and B3 complexes.
      
It is probable, however, that RNA-binding protein TIA-1, which normally occurs in the nucleus, forms prion-like aggregates that serve as scaffolds for other components of stress granules.
      
It is probable that an ordering at medium distances typical for water-electrolyte glasses is formed on the basis of this units in the temperature range of 174-138 K.
      
It is probable that the ice is still there, protected from sublimation by a dust blanket.
      
For this nucleosynthesis scenario, the production of chemical elements from iron to uranium is probable even at low initial neutron densities.
      
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Analysis of the low frequency response of automatic balancing D-C amplifier with mechanical chopper is illustrated by a typical circuit in this paper. The analysis of dynamic response of the modulation and the demodulation circuits and the auxiliary carrier wave amplifier have been considered more in details. The analysis is based on solving difference equations since the intrinsic working process behaved by the M-D M circuits using mechanical chopper is more accurately described by difference equation other...

Analysis of the low frequency response of automatic balancing D-C amplifier with mechanical chopper is illustrated by a typical circuit in this paper. The analysis of dynamic response of the modulation and the demodulation circuits and the auxiliary carrier wave amplifier have been considered more in details. The analysis is based on solving difference equations since the intrinsic working process behaved by the M-D M circuits using mechanical chopper is more accurately described by difference equation other than by differential equations.

本文結合一个典型线路对带有机械振子的自动稳零直流放大器的低頻特性,进行了分析,并且着重分析了調制解調輔助放大器对緩变信号的频率响应。所用方法是差分方程求解法,因为用差分方程来描述具有机械振子的調制解調线路的固有工作过程,要比用相同的初始条件的微分方程来描述更为准确。文中推导出調制及解調綫路的調制系数k_M、解調系数k_(ДM)以及它們的传递函数。此外,对放大調制波的阻容耦合放大器也进行了分析。分析結果說明,如果放大器耦合迴路的参数选择得合理吋,則此放大器对緩变信号的調制波可作为理想放大器来处理。文中所得結果可作为設計該类型放大器时选择参数的参考。此外,本文对于采用自动稳零直流放大器作运算放大器时可能产生的持續低頻自激振蕩問題,也进行了討論。

This preliminary study of the influence of spikelet pruning on the quality and yield of wheat grains was carried out at Fukien Agricultural College in October 1952 through May 1953. The results are summarized as follows: 1. The number of grains increases in each spikelet as a result of pruning. 2. Size, weight, and protein content of the grain increase both with the difference in variety and the dates of planting. 3. Treated wheat plants ripen earlier. 4. The total yield decreases slightly. This is probably...

This preliminary study of the influence of spikelet pruning on the quality and yield of wheat grains was carried out at Fukien Agricultural College in October 1952 through May 1953. The results are summarized as follows: 1. The number of grains increases in each spikelet as a result of pruning. 2. Size, weight, and protein content of the grain increase both with the difference in variety and the dates of planting. 3. Treated wheat plants ripen earlier. 4. The total yield decreases slightly. This is probably due to the fact that the gain in weight of grains does not overcome the loss of weight by the removal of some of the spikelets,

作者等于一九五二年十月至一九五三年五月在本校农场进行小麦花序修整的研究,结果归纳如下: 1.剩佘小穗的结实性,种子肥大性,及蛋白质含量均有提高,但提高的程度因品种和播种期而有所不同。 2.成熟期提早。 3.不同品种不同播种期,对于修整花序有不同的反应,以迟熟种的反应更为显著。 4.产量稍为减低,可能是因为千粒重的增加弥补不了粒数的减少。

In view of the necessity of a rapid and accurate process for the deter-mination of fluorine applicable in the analysis of sodium fluoride and otherfluorine compounds,the author has established a new volumetric processconsisting in the titration in aqueous-alcoholic medium with ferric nitrate asstandard solution and sodium salicylate as indicator.All of the methods,published by Guyot,Greeff,Fairchild andVisintin proposed for the determination of fluorine using ferric solutionas standard,are based on the reaction:6NaF+FeCl_3→Na_3FeF_6+3NaCl....

In view of the necessity of a rapid and accurate process for the deter-mination of fluorine applicable in the analysis of sodium fluoride and otherfluorine compounds,the author has established a new volumetric processconsisting in the titration in aqueous-alcoholic medium with ferric nitrate asstandard solution and sodium salicylate as indicator.All of the methods,published by Guyot,Greeff,Fairchild andVisintin proposed for the determination of fluorine using ferric solutionas standard,are based on the reaction:6NaF+FeCl_3→Na_3FeF_6+3NaCl. But the sodium ferric fluoride thus formed is fairly soluble in water and makesthe end-point unclear,therefore the titration can not be performed accurately.This seems to be due to the fact that the following two reactions advancesimultaneously,and accordingly the formation of sodium ferric fluoride is in-complete in aque(?)us medium:3NaF+Fe(NO_3)_3→FeF_3+3N_aNO_33NaF+FeF_3→Na_3FeF_6Nevertheless,these reactions,according to the author's experiments;proceedalmost quantitatively in meda.containing at least 50% by volume of alcohol.This paper reports the xperimental results obtained in the fundamentalstudies on the various factors influencing the accuracy of the volumetry,namely,the sensitivity and the necessary amount of sodium salicylate used asindicator,the pH value,the alcoholic concentration of the titration medium,the concentration of the fluoride taken for the determination and the timewhen alcohol should be added in the course of titration.Furthermore,a rapidvolumetric process with high accuracy is proposed together with its applicationsin ordinary analyses of sodium fluoride and other fluorine compounds.The proposed method is characteristic in using sodium salicylate asindicator,which shows sharp violet color with minute amount of ferric ion inmedium of pH 3 controlled with buffer solution,then titrating with standardferric nitrate,and adding proper amount of alcohol(the alcoholic concentra-tion at the end-point should be above 50%)during the titration,when themedium becomes orange yellow in color.The method may be summarized as follows:Take 5 ml of neutral sodiumfluoride solution of about 0.3 N in a small Erlenmeyer flask,add 2.5 mlof Walpole's buffer solution of pH 3(formed by dissolving 34.0 g ofcrystalline sodium acetate and 20 ml of 38% HCl in water,and making upto 250 ml)and 1 ml of 0.1 M sodium salicylate dissolved in 50% alcohol.After sufficient stirring,titrate with standard 0.3 N(0.05 M)ferric nitratesolution,using micro-burette until the medium becomes orange yellow,thisstep being reached after addition of about 4 ml of titrant.Then decolorizethe solution by adding 12.5 ml of absolute alcohol(or 13 ml of 95% alcohol),previously purified by redistillation with lime;stirring is necessary during theaddition.Further continue the titration until the light pink color formeddoes not fade after stirring for 30 seconds when observed over a white surface. In the analyses of sodium fluoride and other fluorine compounds con-taining interfering substances,such as divalent and polyvalent metallic ions,phosphate,silicate,borate,carbonate,sulfide ions and reductants acting on ferricion,it is necessary to separate fluorine from these interfering substances bythe distillation with sulfuric acid according to the method of Willard andWinter(20).Then the distillate is neutralized with dilute sodium hydroxideand adjusted to the proper pH with hydrochloric acid using p-nitrophenol asindicator.The solution is ready for titration as described.But in the caseof absence of these interfering substances except carbonate,for example,inthe determination of the concentration of sodium fluorde solution obtained bythe extraction of the crude product,produced industrially by fusing fluorsparwith sodium carbonate and silica,the above separation of fluorine by dis-tillation is dispensable.The anaIytical results obtained by the proposed method are in goodagreement with those obtained by the lead chlorofluoride process(8),whichis recognized as official method for the determination of fluorine in agriculturalproducts.

本文介绍一容量分析氟的新方法和在工业制品上的应用,并分析了一种工业制备的氟化钠液,所得的结果和氟氯化铅法所得的极为一致。对于影响该分析法准确度的各种因素:指示剂的灵敏度和滴定时适宜的用量、溶液的 pH 值、应加的乙醇量、操作中加乙醇的次序、以及氟离子的适宜浓度,均加以研究并找出适宜的情况。本法用硝酸铁为标准液,水杨酸钠作指示剂,在 pH=3左右作滴定;当溶液呈橙黄色时,加入适量的乙醇,使其浓度在终点时仍不低于50%。如有干扰物质如二价及多价金属离子、磷酸根、矽酸根、硼酸根、碳酸根、硫化物和还原物质可能与三价铁起作用者,均应分离之。

 
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