The rising relaxation time and falling relaxation time of photoresponse were about 2s and 50s respectively, when the bias voltage is 2.0V, the stable photocurrent can be 2.1 raA, which indicate that it is possible for TiO2 thin films to be a new UV detector material.
锐钛矿TiO_2薄膜的光响应上升驰豫时间最小可达2s，下降驰豫时间约为50s，在2.0V的偏压下稳定光电流可达到2.1mA，对紫外光的灵敏性和稳定的光响应表明，TiO_2薄膜作为一种紫外光探测器材料是有希望的。
The paper cluing on the geo-phenomena which the loose accumulation appeared on multi-place in process of hole dibbling in the Llongchi slope in Diexi seismic area and based on the investigating and analyzing on geo-physiognomy times, adopting VLF testing and RaA testing, clarified the spatial distributing characteristics of the embedding ancient groove's in the Longchi Slope, disclosed the recent evolutive characteristics of Minjiang river, solved the geo-issue about water-project concerned; The research no...
围绕叠溪地震区的龙池岸坡在引水隧洞施工开挖过程中多处出现沟谷相的松散堆积物这一地质现象为线索，在多次现场地质地貌调研分析的基础上，采用甚低频电磁法现场测试和RaA氡气现场测试的验证分析，阐明了龙池岸坡中埋藏古沟槽的空间分布特征，揭示岷江河谷近期演化特征，解决引水工程施工中所关心的地质问题；通过本次研究不仅对龙池岸坡的稳定性有了新的认识，而且为类似强震区的岸坡稳定性分析提供新的思路和方法。
To test the stability of observation method of soil radon, three synthetic observation holes were set up in the garden of Beichuan Government. Three methods are RaA, alpha particle track measurement and radon pipe measurement.
为了对比有关土氡观测的稳定性及观测结果的映震能力，在原北川县政府断层气观测场地内建立了三组综合观测孔，进行RaA法，氡管仪法和α径迹蚀刻法测试实验。
Stent-grafts were deployed in proper position of RAA under X-ray fluoroscopic.
支架型人工血管在X线透视下经股动脉被释放在RAA的预定位置。
Reading method in RAA measurement
RaA测量中的读数方法
Results Two kinds of cancer cell lines had higher sensitivity to Cucurbitacin BE, Relative anti tumor activitics (RAA) were 345 and 148, respectively.
结果葫芦素BE对两种癌细胞系均有较高的相对抗肿瘤活性（RAA值分别为345、148）。
Methods A three - counts method of measuring scintillation cell detection efficiency to a particles emitting from radon and its progeny were developed on the relationship of radon and its progeny.
方法根据氡及其短寿命子体218Po（RaA）和214Po（RaC）之间的关系，建立了一种闪烁室测量氡及其子体释放的α粒子的探测效率的三段法。
Objective To discuss the safety, feasibility, efficacy and problem of endovascular repair (EVR) for ruptured aortic aneurysm (RAA).
目的探讨腔内修复术（EVR）治疗破裂性主动脉瘤（RAA）的安全性、可行性、有效性和存在的问题。
Seven goats were instrumented with 83 electrodes that distributed over left atrium free wall (LA), left atrial appendage (LAA), Bachmann's bundle (BB), right atrial appendage (RAA) and right atrium free wall (RA).
将83个电极分别缝合于7只山羊的左心房游离壁、左心耳、Bachmann束（BB）、右心耳游离壁的心外膜。
Methods RAA and AS pacing were performed in patients (42 cases and 27 cases) who were received DDD artificial pacemaker implant.
方法双腔永久起搏器（DDD）安置术中，心房电极安置于右心耳42例，房间隔电极27例。
Curve estimation showed that the pre tachycardia slope value was 0.058 in baseline, post saline 0.068 and post tachycardia 0.015 in control group, and which was 0.030, 0.07 and 0.06 respectively in diltiazem group.
将RAA处AERP与相应PCL进行曲线拟合，对照组基础状态下斜率为0.058、给盐水后斜率为0.068和心房快速激动后斜率为0.015。地尔硫卓组则分别为0.030,0.07和0.060。
We also employed a simple and efficient RAA method for DNA amplification.
我们还应用了一种简单有效的核酸扩增方法RAA来进行DNA的扩增。
Objective: To evaluate the anti-influenza virus effect of Rhubarb Anthraquinone Analogues in cell culture.
目的：探讨大黄蒽醌类化合物（RAA）在细胞培养中抗流感病毒的作用。
Objective: To investigate the blood pressure in patients with age and renin - angiotensin - aldosterone (RAA) system.
目的：探讨高血压患者年龄与肾素-血管紧张素-醛固酮（RAA）系统的关系。
RaA radon survey technique and its application
RaA测氡技术及应用
The working principle of the instrument is based on the measurement of Q-ray intensity generated by 218Po (RaA) - the radon daughter collected on polyester film processed by pressurized polarization.
它是一种借助于经过加压极化处理过的聚酯薄膜片收集氡衰变产生的子体218Po（RaA），并测量其放出的α射线强度的微机测氡仪。
A comparative study of the RAA system in the rat acute exposed to various altitude
急进高海拔大鼠肾素-血管紧张素-醛固酮系统的对比性研究
Objective To observe effects of right atrial appendage (RAA) pacing and atrial septal (AS) pacing on atrial activation.
目的观察右心耳及房间隔起搏对心房电活动的影响。