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ct数     
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  ct number
     Relation Analysis between Volume Percent of Crack Defect and CT Number
     裂纹缺陷体积百分数与CT数的关系分析
短句来源
     CT number conversion method for Monte Carlo dose calculations in radiotherapy
     用于Monte Carlo临床剂量计算的CT数转换方法
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     Utilizing the set theory and the measure theory, the concepts of the λ level damage-fracture ratio and the λ level damage-fracture rate, the (λ 1 -λ 2 ) level intercepted section ratio and rate are defined based on the CT number, simultaneously furthering to research the relation among the λ level damage-fracture rate, the CT number and the density.
     利用集合论和测度论知识,基于CT数定义了岩土材料的λ水平破损比与λ水平破损率、(λ1-λ2)水平截理比及其截理率的概念,研究了λ水平破损率与CT数及密度的关系;
短句来源
     With further analyzing, a formula between relative volume percent of crack defect variations and relative CT number variations is obtained respectively, without impurity and with impurity, and we extend conclusion of impurity to impurities.
     进一步分析得到了裂纹缺陷体积百分数相对变化量与CT数相对变化量之间的关系式。 含单杂质时,得到了裂纹缺陷体积百分数相对变化量与CT数相对变化量的关系式,并且把结论进一步推广到多杂质情形。
短句来源
     The relationship between mean of CT number and variance of CT number to axial deformation are parabolas.
     CT数的均值、方差随轴向变形变化关系曲线呈抛物线形式。
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  ct value
     This paper presents a new concept concerning the density damage increment and deduces a quantitative relation formula between CT value and density damage increment, on the basis of which CT image is converted into density damage increment images.
     提出了密度损伤增量的新概念 ,推出了 CT数与密度损伤增量的定量关系式 ,并把 CT图像转换成密度损伤增量图像。
短句来源
     A qualitative and quantitative research is conducted on the meso-structure of a novel geo-material—lightweight sand-EPS beads soil(LSES) by a medical CT machine. CT images,average CT value(ME) and SDs for different scanning sections are analyzed under various cement contents(CC) and EPS-bead contents(Ve /Vs).
     利用医用CT机从定性和定量两个层面研究了砂土与EPS颗粒混合的轻质土(简称为LSES)这种新型土工材料的细观结构,分析了不同水泥掺量(CC)和EPS颗粒含量(Ve/Vs)下LSES不同扫描截面的CT图像以及平均CT数ME值和方差SD。
短句来源
     Based on the characteristics of distribution regulation of CT values of rockdamage in rock CT scanning, the mathematical model of CT value distribution and thequantitutive relation between density of rock damagk and CT value are established.
     在岩石CT扫描CT数分布规律的基础上,建立了CT数分布规律的数学模型,推导了岩石损伤密度与CT数的定量关系。
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     It is shown that the damage characteristics in rock material can be describes bt the CT value and its distribution.
     用CT数的大小及分布规律表征岩石材料的损伤状态。
短句来源
     Based on the CT scanning experiment results of the damage of rock,the damage CT value is connected with the damage variable of rock material in the paper. The formula of damage variable expressed with its damage CT value are established,the numerical analysis are carried out,and comparied with Bellion and Lemaitre′s formula expressed with the density of rock material.
     本文在岩石损伤CT扫描实验结果的基础上,将岩石材料损伤CT数和岩石损伤变量联系起来.建立了用损伤CT数表达岩石材料损伤变量的公式,并和Belion、Lemaitre用材料密度表达的损伤变量公式进行计算分析比较.
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更多       
  ct numbers
     The change of structure of the soil is analyzed from the CT numbers and CT images.
     从CT数和CT图像两方面分析了不同受力过程中 ,路基填土细观结构变化。
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     (2)Failure process under compressive pressure was recorded using CT images and CT numbers.
     (2)进行了混合料压缩破坏过程的CT图像和CT数分析。
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     Reconstructing the CT Numbers from Gray LeveI Video Images
     从视频图像的灰度重建CT数算法的研究
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     During the red clay is under triaxial stress, the regularities of clay抯 inner structure, pore change, fissure extending and so forth are analyzed from meso-angle; and obtained the CT images and the relatives of the CT numbers and stress- strain are obtained by the new technology.
     采用CT技术研究三轴应力条件下红粘土的力学特性,是土力学领域中一项新的研究方法,它可以从细观的角度分析红粘土在受到三向应力作用后,土体内部结构、孔隙的变化、裂隙扩展等规律,并获得CT图像、CT数与应力-应变的关系。
短句来源
     The direct responses in density change of Marshall samples under a CT-compressive process is the change of CT numbers.
     压缩过程试件密度变化最直接的体现就是CT数的变化,通过CT图像,可以清晰地观察到试件内部裂纹的扩展情况,并可由此判断其破坏模式及应变特性。
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  ct values
     Based on the characteristics of distribution regulation of CT values of rockdamage in rock CT scanning, the mathematical model of CT value distribution and thequantitutive relation between density of rock damagk and CT value are established.
     在岩石CT扫描CT数分布规律的基础上,建立了CT数分布规律的数学模型,推导了岩石损伤密度与CT数的定量关系。
短句来源
     Theformula of damage variable of rock is obtained from CT values. The correctness of thisformula is demonstrated with both Bellion's formula and Lemaitre's formula.
     重要的是将CT数和岩石损伤变量联系起来,推导了用CT数表达岩石损伤变量的公式,并和Bellion公式和Lemaitre用材料密度表达损伤变量公式进行计算分析比较,从而验证本文用CT数表达岩石损伤变量公式的正确性。
短句来源
     Bifurcation and chaos analysis of coal and rock damage under uniaxial compression based on CT values
     基于CT数的煤岩单轴压缩破坏的分叉与混沌分析
短句来源
     THE QUANTITATIVE ANALYSIS OF DISTRIBUTION REGULATION OF CT VALUES OF ROCK DAMAGE
     岩石损伤CT数分布规律的定量分析
短句来源
     Based on the principle of CT,the scalar damage variants of unsaturated rocks are presented with the CT values.
     根据CT原理,推导基于CT数的非饱和岩石标量型损伤变量的计算公式。
短句来源
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      ct number
    Cystine calculi: correlation of CT-visible structure, CT number, and stone morphology with fragmentation by shock wave lithotrip
          
    In addition, both average and minimum values for CT number (in Hounsfield units, HU) correlated with SW/g to comminution (P?>amp;lt;?0.003 and P?>amp;lt;?0.0003, respectively), and these relationships were independent of stone size.
          
    Based on the CT number, the primary compressive strut had similar bone density to cortical structures such as the lesser trochanter, calcar femorale and posterior lateral femoral cortex.
          
    On high-resolution CT, the lesions measured from 6 × 6 mm to 15 × 17 mm and their CT number ranged from -500 to -760 HU.
          
    They were dissolved in water at maximum soluble concentrations and subjected to CT number analysis.
          
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      ct value
    The-ΔΔCT value of survivin in bladder cancer tissue was 10.2829 (9.0034-11.5624) times that in the adjacent normal tissues.
          
    The-ΔΔCT value of Livin in BTCC tissues was 8.0454 (7.4264-8.6644) times of that in adjacent normal tissues.
          
    When FRET-labeled primers were compared with similar but unlabeled primers it was observed that the FRET primer technique had a lower Ct value and was more efficient than use of unlabeled primers detected by use of SYBR Green I.
          
    However, the Ct value for the Pn3m phase, equal to 30?μg/mL, was found to be constant over the whole range investigated between 20?°C and 50?°C.
          
    Gallbladder opacification was defined when the CT value in gallbladder was more than 30 HU.
          
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      ct numbers
    A comparison between identically sampled CAT-scan images of five wooden test pieces (Pinus sylvestris) showed that the CT-number in each pixel varied with a standard deviation of ±3.9-11.1 CT numbers.
          
    It is concluded that in the normal range of protein concentrations, the effect on the attenuation is insignificant and that the attenuation value of the CSF might be used to check large deviations in the CT numbers due to artifacts.
          
    Changes in intra-arterial iodine concentration, required in our model, were measured from CT numbers in the superior sagittal sinus.
          
    For quantitative study, after measuring the CT numbers of the common or internal carotid artery (CA), internal jugular vein (IJV) and adjacent muscle at three levels, were calculated mean vessel/muscle contrast ratios.
          
    CT numbers were 25-47 HU in low-attenuation areas.
          
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      ct values
    Valid reference genes (HKGs) were identified using GeNorm and NormFinder software packages and by direct comparison of Ct values.
          
    Delta CT methods are based on direct comparison of measured CT values of both the GMO-specific target and the endogenous target.
          
    Indeed we could observe that even if the used physical treatments could lead to a significant increase of Ct values for both transgenic and specific targets, the resulting ΔCt remained stable.
          
    The comparison of perfusion patterns with pre-contrast CT values and enhancement after 5 min elucidates cerebral hemodynamics in hypodense to hyperdense lesions with or without damage of the blood-brain barrier (BBB)
          
    In the stenotic segments, Smactin mRNA level was about twofold higher than in our control specimens, as shown by the lower CT values for the patients in real-time PCR (16.9?±?2.0 vs 17.9?±?2.6, P?>amp;lt;?0.05).
          
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    Our previous studies have shown acupoints stimulation might promote the plasticity of spinal cord. In order to explore the acupoints specificity of the effects we used ten cats with unilateral dorsal partial rhizotomy(L 1 S 2, except L 6). The rhizotomy sides of five cats received acupuncture stimulation (acupoints stimulation group) at Zusanli (St36), Xuanzhong (GB 39), Futu (St32) and Sanyinjiao (Sp 6) in the innervated areas of L 6 spinal nerve for two courses, 10 days per coure. The rest cats were...

    Our previous studies have shown acupoints stimulation might promote the plasticity of spinal cord. In order to explore the acupoints specificity of the effects we used ten cats with unilateral dorsal partial rhizotomy(L 1 S 2, except L 6). The rhizotomy sides of five cats received acupuncture stimulation (acupoints stimulation group) at Zusanli (St36), Xuanzhong (GB 39), Futu (St32) and Sanyinjiao (Sp 6) in the innervated areas of L 6 spinal nerve for two courses, 10 days per coure. The rest cats were subjected to needling at the areas adjacent to the acupoints (nonacupoints stimulation group). Quantitative EM method was applied to detect (the population of synaptic terminals in lamina Ⅱ 30 days postoperation. According to the number of synaptic contacts between synaptic terminal and postsynaptic element, synaptic terminals were divided into two types: the simple terminal (ST) coming from spinal and descending tract, and the comlex terminal (CT) from dorsal root. The average numbers of the two types′ synaptic terminals per photo were compared directly because the acupoints and nonacupoints groups′ transverse areas of lamina Ⅱ showed no significant difference. The results showed:(1) There was no significant difference for ST number between two groups. Associated with our previous study that acupoints stimulation did not influence ST number, the present result indicated that nonacupoints stimulation had no effect on ST number. (2) The complex terminal numbers were statistically different ( P <0.05). The percentage of CT in the nonacupoints group was only 53% of that in the acupoints group. This result was similar to two other nonacupuncture groups in our laboratory (the percentages were 59% and 62% respectively). It indicates that the effect of nonacupoints stimulation is similar to that of nonneedling, i.e. nonacupoints stimulation does not promote the plasticity of spinal lamina Ⅱ or there might be acupoints specificity in promoting the plasticity of spinal laminal Ⅱ.

    为了解针刺穴位可促进脊髓的可塑性变化这一效应有无穴位特异性,采用针刺单侧后肢备用根猫术侧L6脊神经支配范围的“足三里”和“悬钟”、“伏兔”和“三阴交”两组穴位及与它们对应的非穴位,于30天时用电镜定量方法计数穴位组与非穴位组脊髓Ⅱ板层内突触性终末之数量。结果:两组动物非背根来源的简单终末(ST)数无显著性差异(P>0.05),背根来源的复合终未(CT)数差异显著(P<0.05),针刺非穴位组的CT数仅为穴位组的53%,表明针刺非穴位对CT数量无明显影响,提示针刺促进脊髓的可塑性变化具有穴位特异性。

    Based on the CT scanning experiment results of the damage of rock,the damage CT value is connected with the damage variable of rock material in the paper.The formula of damage variable expressed with its damage CT value are established,the numerical analysis are carried out,and comparied with Bellion and Lemaitre′s formula expressed with the density of rock material.

    本文在岩石损伤CT扫描实验结果的基础上,将岩石材料损伤CT数和岩石损伤变量联系起来.建立了用损伤CT数表达岩石材料损伤变量的公式,并和Belion、Lemaitre用材料密度表达的损伤变量公式进行计算分析比较.

    The real-time CT scanning technique is used to reveal the initial damage properties in rock materials and the damage propagation process as well. It is shown that the damage characteristics in rock material can be describes bt the CT value and its distribution.

    本文将先进的计算机层析(CT)技术应用于岩石损伤特性研究。分别对岩石材料的初始损伤特性和损伤扩展过程进行即时CT扫描。用CT数的大小及分布规律表征岩石材料的损伤状态。

     
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