intrinsic resistance

Conclusions 1.There are certain degrees of intrinsic resistance in different kinds of chemotherapeutic agents in NSCLC .

结论1.非小细胞肺癌存在着固有的化疗耐药性。

Pseudomonas aeruginosa is an opportunistic pathogen which has both intrinsic resistance and acquired resistance .

铜绿假单胞菌作为一种常见的条件致病菌，本身具有内在耐药性和获得性耐药性。

The stainless steel membrane showed lower membrane intrinsic resistance and higher critical flux .

结果显示不锈钢膜的膜固有阻力和临界通量都优于PES膜。

Experimental results show that the construction resistance of granular coke consists of " intrinsic resistance " and " contact resistance " .

结构电阻包括焦炭本身的“本征电阻”和焦粒之间的“接触电阻”。

On the contrary , the intrinsic resistance of membrane would dominate the filtration process when MWCO of membrane was less than 10 kDa .

当膜的截留分子量≤10kDa时，过滤阻力主要由膜本身固有的阻力决定，膜污染影响较小。

The difference of the intrinsic resistance of fatigue cracks , intrinsic threshold and nominal resistance of fatigue cracks in ⅲ zone between alloys 8090 and 2090 is little .

两合金的本征疲劳裂纹扩展抗力、本征门槛值以及在Ⅲ区的名义疲劳裂纹扩展抗力差别甚微。

Traditional Ni / MH battery pack is composed of series connected cells . There are connection parts such as electrode tab , connection bar , battery case , etc. , these increase the weight and intrinsic resistance of the battery .

传统的MH/Ni电池组是由单体电池串联而成，在电池组中存在极耳、连接条、电池壳等连接体，增大了电池的质量和内阻。

Experimental results show that resistance coefficients of the complex penstocks can not be simply calculated by the linear superposition principle , that is , a sum of resistance coefficient from geometrical constituent parts should be calculated according to the intrinsic resistance law .

试验结果表明，这种复合弯管的阻力系数，不能简单地用线性叠加原理计算，即将各几何组成部分的阻力系数叠加，应按其固有的阻力规律计算。

Melanoma may have an intrinsic resistance to drugs , but acquired resistance may develop during chemotherapy , which may make the tumor cells not only resistant to the drugs originally used , but also cross-resistant to other drugs with different mechanisms of action .

恶性黑素瘤的耐药性可以是其内在固有的，或者在肿瘤治疗中形成的。这种耐药性使肿瘤细胞不仅对用于治疗的化疗药物耐药，而且对其他不同作用机制的药物产生多药耐药。

FBG sensors have the characteristics of intrinsic resistance to electromagnetic interference , corrosion resistance , small size , light weight and easy to combine with the measured object . Temperature , strain , vibration , ultrasonic and other sensors which made by optical fiber grating have been widely used .

光纤光栅传感器具有本征抗电磁干扰、耐腐蚀、体积小、质量轻及易于与被测物结合的特点，采用光纤光栅设计的温度、应变、振动、超声波等传感器已获得了广泛的应用。

Conclusion Breast cancer has intrinsic multidrug resistance ;

结论乳腺癌组织具有多药耐药性；

Change of intrinsic drug resistance in the formation of Pseudomonas aeruginosa biofilms

铜绿假单胞菌耐药性在生物被膜形成过程中的变化

Based on this formula , the impacts of distributed gate resistance and intrinsic channel resistance on noise performance are discussed .

基于此解析式，讨论了分布栅电阻和内部沟道电阻对噪声性能的影响。

CONCLUSION : P-gp might be one of the causes of intrinsic drug resistance related protein to bone and soft tissue sarcoma .

结论：Pgp可能是引起骨与软组织肿瘤原发耐药的原因之一。

The results showed that parent cells of BGC 823 were cell line with intrinsic drug resistance similar to the gastrointestinal tumors .

结果表明，BGC－823／DOX亲本细胞具有原发耐药的特性，与消化道肿瘤较为相似。

The intrinsic growth resistance for alloy 2090 is enhanced by the addition of minor Ce , but it contributes nothing to fractal dimension .

微量Ce的加入提高了2090铝锂合金的本征疲劳裂纹抗力，但对分形维数并无贡献。

The crack extension resistance curve with larger crack path deviation only reflect the apparent fracture resistance along the crack growth region , rather than the intrinsic fracture resistance of the material at the initial crack-tip region .

具有较大裂纹路径偏转的裂纹扩展阻力曲线反映沿裂纹扩展区域的表观断裂阻力，而非初始裂纹尖端区域材料的本质断裂阻力。

The tomato as well as the potato is also found to possess two kinds of resistance to phytophthora blight It is only under the condition of the proportion of nitrogen and potassium 1:2 that the variety can show the intrinsic field resistance .

番茄和马铃薯一样也发现对晚疫病有两种抗性。在氮钾比例为1：2的情况下才能表现出品种固有的田间抗性。

Con clu sion : In NB , the intrinsic multidrug resistance involves the combined effects of P-gp and MRP ; age , metastasis , MRP expression and coexpression of P-gp and MRP has prognostic significance .

结论：NB原发性耐药与P-gp和MRP共同作用有关，年龄、转移、MRP表达及P-gp与MRP共表达与NB预后有关。

The expression levels of mRNA of MDR-related markers in cancer tissues were higher than those in tumor adjacent oral mucosa ( P 0.05 ) . The results above suggested that the multi-drug resistance of OSCC might be derived from the intrinsic multidrug resistance .

且MDR1mRNA在癌组织的表达水平明显高于癌旁组织（P0.05），表明口腔鳞癌多药耐药性与内在性耐药有关。

However , intrinsic or acquired cisplatin resistance is a major therapeutic problem for cancer chemotherapy .

但原发性或获得性顺铂耐药是卵巢癌患者生存率提高的主要障碍之一。

Conclusions Overexpression of Pgp may be responsible for the intrinsic and acquired drug resistance of PHC . Histological differences exists in multidrug resistance ( MDR ) .

结论MDR基因过度表达在PHC天然性或获得性耐药起一定作用，且存在组织学差异。