压缩性

头孢菌素C发酵液可压缩性及膜分离的工艺研究

Research on the Compressibility of the Cephalosporin C Fermentation Broth

实际气体压缩性系数z、容积绝热指数kυ和温度绝热指数kT的确定

The determination of compressibility factor_z , volumetric adiabatic exponent k_v and temperature adiabatic exponent k_t of real gases

MR表观弥散系数定量测定对脊柱压缩性骨折病因的诊断价值研究

Evaluation of MR Quantitative ADC in Differentiating Vertebral Benign Compression with Pathologic Fracture

CT、C臂机联合导引下椎体成形术治疗椎体压缩性骨折

Teatment of vertebral compressive fracture with percutaneous vertebroplasty guided by CT plus C-arm fluoroscopy

脊柱压缩性、爆裂性骨折的X线平片及CT的诊断价值

Diagnostic value of X-ray plain film and CT in spinal compressed and burst fractures

SKy骨扩张器治疗老年椎体压缩性骨折

Application of SKy bone expander system for treatment of senile vertebral compression fracture

对良、恶性椎体压缩性骨折MRI鉴别诊断的再认识

Further recognizing the differentiation of benign and malignant vertebral compression fractures with MR imaging

MRI诊断骨质疏松性椎体压缩性骨折所致椎体缺血性坏死

MRI in diagnosis of osteoporotic vertebral fractures : avascular necrosis of the vertebral body

本文根据PowerLaw的推广形式，在均质煤层和非均质煤层条件下，首次建立可压缩性的瓦斯在煤层内流动的偏微分方程式。

Based on the extended formula of Power Law , partial differential equations for a compressible gas flow in homogeneous and heterogeneous coal seams have been first set up .

低场强MRI对胸腰椎新旧压缩性骨折的鉴别诊断价值

The value of differential diagnosis of low-field MRI to the new and the old thoracic and lumbar compression fracture

结论：X线平片显示椎体单纯性压缩性骨折时均应做CT检查判断其稳定性。

Conclusion : When simple wedge-compression fracture of lumbar vertebrae was diagnosed with plain film , CT examination should be a necessary complement .

目的：探讨磁共振成像（MRI）在脊椎压缩性骨折临床鉴别诊断中的价值。

Objective : To assess the clinical differential diagnosis value of magnetic resonance imaging ( MRI ) in the vertebral compression fracture .

方法：回顾性分析46例74椎体压缩性骨折患者的临床和MRI影像资料。

Methods : The clinical and MR imaging data of 46 patients with a total of 74 vertebral compression fractures were reviewed respectively .

隐式格式求解拟压缩性非定常不可压Navier-Stokes方程

An Implicit Method for the Pseudo-Compressibility Incompressible Navier-Stokes Equation

给出了一种较快的求解算法，分析了该稀疏约束正则化模型的稳健性、压缩性和解的广义稀疏性，及其在SAR图像处理中的应用。

A fast algorithm is proposed to solve the regularization model . The robustness and the shrinkage property of the model are analyzed .

EDTA脱钙方法是一种制备骨质疏松性压缩性骨折动物模型的比较合适的方法。

EDTA is a good method to make an animal model of osteoporotic vertebral fracture in short time .

高龄骨质疏松性椎体压缩性骨折患者PVP手术简化操作的特点及疗效

The characteristic and clinical effect of simplified operation in PVP for treatment of osteoporotic vertebral compression fractures

高压往复泵工作腔中夹带的气体及液体的压缩性对容积系数KV具有较大的影响。

The compressibility of gas and liquid in the working chamber in a high pressure reciprocating pump exerts , quite a great influence on the Volume coefficient Kv .

改进Barker与Henderson的宏观压缩性近似

Improvement of Barker and Henderson 's Macroscopic Compressibility Approximation

结论Sky椎体成形术对新鲜和陈旧性椎体压缩性骨折均适用，该方法安全有效，并发症少，具有重要的应用价值。

Conclusion The Sky bone expander system is an effective and safe way to treat the osteoporotic vertebral compression fractures of vertebral body no matter they are fresh or old .

以对流马赫数为压缩性参数，以Reynolds数为粘性参数分析了二者对计算流场稳定性的影响。

The effects of key parameters such as convective Mach number and Reynolds number on the stability characteristics of compressible mixing layers are analyzed .

结果：恶性压缩性骨折较特异性的MRI征象有：（1）T1WI像上椎体呈广泛均匀低信号；

Results : The following were the MR imaging characteristics in malignant compression fracture :( 1 ) homogeneously low signal intensity in T 1WI ;

目的：探讨MRI对脊柱外伤及原发性骨质疏松椎体压缩性骨折的功能预后评估价值，为早期康复介入干预提供依据。

OBJECTIVE : To explore the merit of MRI in the evaluation of function prognosis in compressive fracture induced by spinal trauma or primary osteoporosis to provide a gist for early rehabilitative intervention .

目的用脊椎压缩性骨折及髋骨骨折人群骨矿含量（BMC）、骨密度（BMD）的改变来探讨国人骨质疏松诊断标准。

Objective To explore Chinese diagnostic criteria of osteoporosis ( OP ) based on changes of BMD and BMC in fracture patients .

进而测定了Gore膜过滤磷酸时的截留率、过滤常数、滤饼的压缩性指数、过滤阻力等性能，并与传统使用的滤布进行了对比。

Then Gore membrane 's interception rate , filtration constant , condensation exponent of filtration cake , filtration resistance , etc.

流体可压缩性对Rayleigh-Taylor不稳定性影响机理分析

The role of fluid compressibility in Rayleigh-Taylor instability

PKP治疗骨质疏松性多节段椎体压缩性骨折的临床应用研究

Clinical Application of Percutaneous Kyphoplasty ( PKP ) in Treatment of Multiple Osteoporotic Vertebral Compression Fractures

结果脊椎压缩性骨折组身高、体重、腰椎2～4和股骨近端各部位BMD值均显著低于对照组（均P＜0.01）。

Results Height , body weight and BMD of L2-4 and each site of proximal femur in vertebral fracture group were significantly lower than those in the control group ( all P < 0.01 ) .

低纬磁层边界区的可压缩性Kelvin-Helmholtz不稳定波

Compressional Kelvin-Helmholtz unstable waves in low latitude magnetospheric boundary regions

结论：骨水泥PVP创伤小、并发症少，而且止痛疗效显著，是一种微创治疗老年椎体压缩性骨折的有效方法。

Conclusions : PVP is a effective min-invasive surgical procedure in the treatment of vertebral compression fractures with low complication and high efficacy for pain relief .