This enzyme catalyses the conversion of angiotensin I to angiotensin II in the blood plasma and endothelia and prevents the breakdown of bradykinin.
这种酶催化的血管紧张素一血管紧张素血液中的血浆和内皮二，防止故障的激肽转换。
The results show: pulse power density from CO2 laser reaches air breakdown threshold through thrice reflecting focus system, and plasma radiation phenomena is observed in the experiment.
结果表明，脉冲co 2激光功率密度经三次反射激光聚焦系统达到空气击穿阈值，实验中观察到等离子体发光现象。
The condition that plasma breakdown on Tokmak is get enough high loop voltage and large null field region in the vacuum vessel area.
托卡马克装置产生等离子体击穿的条件是在真空室区域中达到足够大的环电压以及尽可能大的零场区。
It is theoretically testified in this paper that the breakdown voltage is in direct proportion to the electron mean energy of pulsed corona plasma in a coaxial-electrode system.
通过理论推导得到脉冲电晕放电等离子体的电子平均能量(用电子温度表示)与同轴电极系统中的击穿电压有成正比的关系。
This paper introduces the interaction between microwave and plasma which is induced by laser breakdown in the air.
本文研究了微波与激光击穿空气形成的等离子体的相互作用。
This paper analyses the usage of LGK series of air plasma arc cutting machine, and enumerates the causes and solutions of striking arc, main circuit, gas path and cutting torch breakdown.
分析了LGK系列空气等离子弧切割机的使用方法，例举了其引弧故障、主电路故障、气路故障、割枪故障产生的原因和解决方法。
The breakdown time delay and jitter are very important for the plasma-electrode Pockels cells(PEPC) electro-optic switch driven by one-pulse process.
减小单脉冲等离子体电极普克尔盒电光开关击穿时间延迟与抖动问题是提高大口径电光开关性能的关键。
The method of the invention can reduce the breakdown threshold, increase the ablation efficiency and prolong the life of plasma.
该方法降低了击穿阈值，提高了烧蚀效率，并能够延长等离子体的寿命。
The results show the plasma density is not completely lost during current reversal, therefore, there were no need for second breakdown after the current reversal.
结果发现：在电流过零处，等离子体未完全熄灭，使得电流转换后不需要第二次击穿。
Microwave plasma thruster can generate free-floating plasma brought about by microwave discharge breakdown gas in resonant cavity without the service life problem produced by electrode ablation.
微波等离子推力器(MPT)的最大优点是微波在谐振腔内放电使工质形成悬浮的等离子体，没有电极的烧蚀与寿命问题。
Microwave plasma thruster can generate free-floating plasma brought about by microwave discharge breakdown gas in resonant cavity without the service life problem produced by electrode ablation.
微波等离子推力器(MPT)的最大优点是微波在谐振腔内放电使工质形成悬浮的等离子体，没有电极的烧蚀与寿命问题。
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