查询词典 pa

Vanadium oxide thin films deposited on slide glass substrates are prepared by facing-target magnetron sputtering.The effect of sputtering conditions on temperature coefficient of resistance is analyzed by orthogonal experiment,and the optimum process recipes are achieved,including Ar∶O2=48∶0.4,gas pressure is 2 Pa,substrate temperature is 27 ℃,sputtering power is 180 W.

利用对靶磁控溅射法在玻璃基片上制备VOx薄膜，采用正交实验方法研究了镀膜条件对VOx薄膜电阻温度系数的影响，得到优化的镀膜工艺参数，主要包括Ar∶O2为48∶0.4、工作压力恒定为2 Pa、基底的温度为室温27℃、溅射功率保持在180W，在此基础上，进行不同温度条件的真空退火，得到薄膜TCR在-2.5%~-4.5%范围。

8 PHILADELPHIA | The Bollman Hat Co. factory in Lancaster County, Pa., rumbles and shudders, churning and pounding wool into dense felt for headgear as if naked noggins all over the nation were in dire need of a covering, a fedora, a fez or a ten-gallon hat.

费城1/83/8|bollman的帽子工厂股份有限公司斯特县Pa的，隆隆，看完，被架空的夯成致密羊毛头罩感觉仿佛赤裸裸noggins为全国各地都亟需一个占地、一个Fedora的，或者非斯一个10加仑帽子。

About recently 20 years, following advanced technology, such as CT, MRI, PET and SPECT, and intravenous rt-PA application in 3 hours after onset, people awfully gain developmental progress in its pathophysiologic stage understanding and its prevention and therapeusis early.

随着CT、MRI、PET、SPECT等影像医学的发展和rt-PA的问世，人类对急性缺血性中风的病理生理学认识及早期诊断与治疗上取得了突破性进展。

In order to elucidate the regulation of proteolysis during spermatogenesis and maturation, expression of tissue-type PA and PAI-1 in testis and the accessory organs of rat has been investigated.

为探讨精子发生及成熟过程中蛋白水解酶调节机制，我们以大鼠为模型对组织型PA和PAI-1在睾丸及附性器官中的表达作了初步研究。

Known as the Tonto PA-200, the device produces a clear reading voice which sounds very humanlike at an excellent speed of up to 128Kbps.

众所周知，作为tonto的PA - 200 ，该设备生产的一个清晰的读的声音，这听起来很humanlike在一个很好的速度达到128kbps 。

The antibacterial activity is decreasing to PA, drug susceptibility test is important for clinical tre...

PA 的耐药率不断上升，药物的选择上要结合本科室的药敏情况，合理使用抗生素。

The CFD modeling showed that the optimal fluid velocity and shear stress for the cell proliferation were 0.14~0.64 mm/s and 0.0029~0.017 Pa respectively.

建立载体随机孔道结构的流体分析模型发现，细胞生长较快区域对应的流速大多在0.14~0.64 mm/s，剪切应力在0.0029~0.017 Pa。

The depressive effect of PA on waxy oils was affected by the c...

研究结果表明，一种理想的PA降凝剂在油中的结晶能力应该与油中蜡的结晶温度相匹配

B A is another point on the y -axis such that PA = PQ .

A 为 y 轴上的另一点且 PA = PQ 。

Methods:From 1988 to 1997,28 PA patients treated by surgery were retrospectively analyzed,Of which 25 cases were adrenal adenomas and 3 adrenocortical hyperplasia.

分析1988～1997年外科治疗的PA 28例，其中肾上腺皮质腺瘤25例，肾上腺皮质增生3例。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。