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exactly determined
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  准确确定
     Among the inorganic ions the complexation ability of CO 2- 3 is the strongest, but the complexation constant of Pu 4+ with CO 2- 3 have not yet been exactly determined.
     在地下水中可能存在的无机阴离子中 ,CO2 -3 的络合能力最强 ,Pu4+ 与 CO2 -3 络合的稳定常数尚未准确确定
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     By using the information provided by MDT logging data, the formation pressure may be effectively acquired, fluid properties exactly determined, original formation permeability calculated, and fluid flowing situation studied.
     利用MDT测井资料所提供的信息, 可有效地获取地层压力, 准确确定流体性质, 计算原状地层渗透率, 研究流体流动情况。
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     Based on an analysis of the hydrogeological conditions of the plain area in Beijing, the authors, using the remote sensing technique, have exactly determined the boundaries of the groundwater system and constructed a conceptual model for the groundwater system.
     在分析水文地质条件的基础上,采用遥感技术准确确定了北京市平原区地下水系统边界,并建立了地下水系统概念模型。
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     Through the model test and field observed data processing and interpretation, this method is proved effective and practicable, especially the application in the Xuwen area shows that the density and velocity structures of the underground complicated interfaces could be exactly determined and revealed.
     结合最近完成的广东徐闻地区实际资料的处理和解释,表明该方法可准确确定复杂构造物性界面的密度和速度结构,在该地区的油气勘探中发挥了作用.
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  “exactly determined”译为未确定词的双语例句
     The Application of GC/MS has exactly determined β-Pinene content in polluted river water.
     应用GC/ MS快速准确定量测定了 β-蒎烯在河水中的含量。
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     The constants of physical property of 11-cya-noundecanoic acid, which was a nylon-12 intermediate,have as yet not been exactly determined.
     11—氰基—十一酸是尼龙— 12的合成中间体 ,其物性常数有待精确测定 .
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     HREM images exactly determined that the widths of the most smallest fine twin subplates are only 2~3nm.
     高分辨电镜 (HREM)准确地确定细小孪晶片条宽度在 2~ 30nm范围内。
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     In present experiments, the adsorption of JP-10 in shock tube was taken into account, and JP-10 concentration was exactly determined.
     本论文考虑了JP-10在激波管壁的吸附特性,重点解决了气相浓度的确定问题。
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     The concentration of each main salt cannot be exactly determined by traditional methods because of the serious impurity contamination of acid zinc plating bath.
     当酸性镀锌溶液存在严重杂质干扰时,传统分析方法就无法准确测定镀液中各主盐的含量。
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     H2O was determined.
     H2O分步洗脱的工艺,取得较好的分离效果。
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     gonorrhoeae were determined.
     结果显示9株为产青霉素酶淋球菌。
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     The seed germination percentage could be determined exactly in the rest period.
     于种子休眠期可测得准确发芽率;
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     Conclusion The lower limit of cerebral autoregulation can be determined by CCP exactly.
     结论利用CCP可精确、无创地测定人类脑血流自动调节下限。
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     This is exactly the realist
     这正是写作本文的现实意义。
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  exactly determined
Even when the number of iterations cannot be exactly determined, it is desirable to know the lower and upper iteration bounds.
      
The field configuration and the static stresses of the deformed Φ4 kink that are produced by the excitation of the internal soliton mode are exactly determined.
      
The effective rheological characteristics of each block are exactly determined, while those of the composite as a whole are determined in the Voight or Reuss approximations.
      
The stress state in plates with circular holes made of orthotropic homogeneous material has no singularities and it can be exactly determined.
      
At time t, only the performance level of the system, exactly determined inan additive way by the level of the unobservable components, can be observed.
      
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A nondestructive experimental method is provided for determining critical loads of shell structures under external pressure.It is a step-by-step method using normal deflection of shell structures as control variation.The nondestructive buckling tests on 9 cylindrical panels made of LY12-CZ aluminum alloy with circumferential Ω-stiffeners and internal panels of 3rd to 6th oil boxes in an airplane fuselage-were completed with the presented method.The critical pressures of shells-were exactly determined.A...

A nondestructive experimental method is provided for determining critical loads of shell structures under external pressure.It is a step-by-step method using normal deflection of shell structures as control variation.The nondestructive buckling tests on 9 cylindrical panels made of LY12-CZ aluminum alloy with circumferential Ω-stiffeners and internal panels of 3rd to 6th oil boxes in an airplane fuselage-were completed with the presented method.The critical pressures of shells-were exactly determined.A preliminary investigation on influence of the circumferential restraint on the buckling loads of stiffened cylindrical panels has been carried out.The test results show that the nondestructive buckling experimental method is a success.

本文给出了一种确定壳体结构外压临界载荷的非破坏实验方法,这是一种以壳体结构的法向挠度作为控制变量的逐步逼近法。运用这种方法,对九件由LY12-CZ铝合金制成的具有周向Ω-型筋条的柱形曲板和某机机身的3号至6号油箱内壁作了非破坏屈曲试验,准确地确定了壳体的临界压力,初步研究了周向约束对加筋柱形曲板屈曲的影响。试验结果表明,这种非破坏屈曲试验方法是成功的。

A study has been made of ternary salt system BeSO4-Al2(SO4)3-Na2SO4 by the thermal analysis method. A ternary peritectic point containing BeSO4 18.8 Wt%, A12(SO4)3 15.0%, Na2SO4 66.2%, melting at 490°C and a ternary eutectic point containing BeSO4 20.0%, Al2(SO4)3 11.2%, Na2SO4 68.8%, melting at 475°C, were found in this system. The composition of the other ternary eutectic point melting at 595°C has not been exactly determined. No evidence was found about any ternary compound existing in the system.

热分析法研究了BeSO_4-Al_2(SO_4)3~Na_2SO_4三元熔盐体系的状态图。体系中存在三元转熔(包晶)点P,温度490℃,组成为BeSO_4 18.8Wt%,Al_2(SO_4)_3 15.0%,Na_2SO_4 66.2%;三元低共熔(共晶)点E_1,温度为476℃,组成为BeSO_4 20.0%,Al_2(SO_4)_3 11.2,%,Na_2SO_4 68.8%。另一低共熔点E_2温度为595℃,组成未能确定。体系中无三元化合物生成。

For the first time the optical constants of different sulphides were measuredusing interference layer microscopy to enable them to be utilized for quantitativemetallography. In addition to the measurement of the refractive index and absorp-tion coefficient it was also possible to give the conditions that enable the maximumpossible light-dark contrast as well as a good colour contrast to be achieved in thepolished specimen. The layer materials that almost completely extinguish thereflectivity of the different...

For the first time the optical constants of different sulphides were measuredusing interference layer microscopy to enable them to be utilized for quantitativemetallography. In addition to the measurement of the refractive index and absorp-tion coefficient it was also possible to give the conditions that enable the maximumpossible light-dark contrast as well as a good colour contrast to be achieved in thepolished specimen. The layer materials that almost completely extinguish thereflectivity of the different phases are reported together with the exact colouraccording to DIN 6164. A method of presentation was found for all phases, notonly the sulphides, that enabled the refractive index at which the amplitudecondition was fulfilled to be exactly determined. There is a mathematical relation-ship that can be simply derived for all phases between the reflectivity at theinterference minimum of a phase and the refractive index of the layer providingnon-absorbent layer materials are used.

首次用干涉涂层金相显微镜测定一些硫化物相的光学常数并将之用于定量金相术。测定了各相的折射系数和吸收系数,还指出使金相组织呈现尽可能高的黑白衬度和满意的色衬度的条件。报道了能使多种硫化物相的光反射率近乎消失的涂层材料和按德国工业标准DIN6164标定各相颜色的结果。当采用不吸收光的涂层时,对每一个相而言,其干涉极小的光反射率与涂层的折射系数之间有简单的数学关系,据此提出一个新方法,以准确地判断满足各种相、包括硫化物相的振幅条件的涂层折射系数值。硫化物是一组颇复杂的相,常用的涂层材料ZnS或ZnSe可能欠或过满足它们的振幅条件,为此提供必要的数据也是本文的目的之一。

 
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