查询词典 pulse rate

An Nd:YAG Q-switched laser operating at a wavelength of 266 nm, a pulse duration less than 10 ns, and a repetition rate of 10 Hz, was used to ablate a ZnO target of 99.9% purity.

所使用的光源为Nd：YAG Q-switched雷射，其波长为266 nm、脉冲宽度小於10 ns、重覆频率10 Hz；使用的靶材为纯度99.9％的氧化锌。

The article with the intercept outside aerosphere implement to study a target, consider amount of miss the target is very small approach rate mediumly with intercept process bigger, be aimed at engine to be able to offer constant thrust only, can be started for many times and have pulse job state, and do not have change the character of thrust job status, apply slant buy scale guides brought a law to design agree with the switch threshold value that course controls engine.

本文以大气层外拦截器为探究对象，考虑到脱靶量很小和拦截过程中的接近速度比较大，针对发动机只能提供常推力，能多次启动并具有脉冲工作状态，且不具有变推力工作状态的特性，运用偏置比例导引律设计了适合于轨控发动机的开关阈值。

Results: Occurrence rate shows patient of this group complication respectively for 9.1%, for part bleeding with haematoma , blood vessel inner infection , thrombopoiesis , arrhythmia cordis , hypotension or shock and crowning pulse spasm , the aneurism with and so on.

结果：本组患者并发症发生率为9.19%，分别表现为局部出血和血肿、血管内感染、血栓形成、心律失常、低血压或休克及冠脉痉挛、动脉瘤等。

Results摘要: The incidence rates of renal dysfunction, shock, cardiovascular failure and gastrointestinal hemorrhage, the score of acute physiology and chronic health evaluation Ⅱ and the frequencies of pulse and breath in the severe hypoalbuminemia group were all higher than those in the mild hypoalbuminemia group (P＜0.05 or P＜0.01). The differences of incidence rate of hepatic failure and the scores of Ranson and Balthazar CT between these two groups had no statistical significance (P＞0.05). The incidence rate of infection and the mortality in the severe hypoalbuminemia group were higher than those in the mild hypoalbuminemia group (P＜0.01) in the later stage of SAP.

结果摘要：重度低白蛋白血症组肾功能衰竭、休克、心衰及消化道出血的发生率高于轻度低白蛋白血症组（P＜0.01，肝功能衰竭发生率两组比较无统计学差异；Ranson评分及Balthazar CT评分两组间比较，差异无统计学意义（P＞0.05）；重度低白蛋白血症组的急性生理和慢性健康评价指标Ⅱ（acute physiology and chronic health evaluationⅡ， APACHEⅡ）评分、脉搏和呼吸频率均明显高于轻度低白蛋白血症组（P＜0.05或P＜0.01；重度低白蛋白血症组后期感染发生率及病死率均高于轻度低白蛋白血症组

Results: The incidence rates of renal dysfunction, shock, cardiovascular failure and gastrointestinal hemorrhage, the score of acute physiology and chronic health evaluation Ⅱ and the frequencies of pulse and breath in the severe hypoalbuminemia group were all higher than those in the mild hypoalbuminemia group (P＜0.05 or P＜0.01). The differences of incidence rate of hepatic failure and the scores of Ranson and Balthazar CT between these two groups had no statistical significance (P＞0.05). The incidence rate of infection and the mortality in the severe hypoalbuminemia group were higher than those in the mild hypoalbuminemia group (P＜0.01) in the later stage of SAP.

结果：重度低白蛋白血症组肾功能衰竭、休克、心衰及消化道出血的发生率高于轻度低白蛋白血症组（P＜0.01，肝功能衰竭发生率两组比较无统计学差异；Ranson评分及Balthazar CT评分两组间比较，差异无统计学意义（P＞0.05）；重度低白蛋白血症组的急性生理和慢性健康评价指标Ⅱ（acute physiology and chronic health evaluationⅡ， APACHEⅡ）评分、脉搏和呼吸频率均明显高于轻度低白蛋白血症组（P＜0.05或P＜0.01；重度低白蛋白血症组后期感染发生率及病死率均高于轻度低白蛋白血症组

Firstly, the equation of charge rate of particles was established based on the distribution of the electric field and electron density in the pulse corona discharge process.

首先，在脉冲放电烟气除尘的研究中首次建立了脉冲放电粒子的荷电机理并对粒子的荷电量进行了计算。

Include three, high count rate, binary pulse counters.

包括3个高速率，二进制脉冲计数器。

The tryptophan residues play important roles in DNA photoreactivation catalyzed by CPD photolyases. We have investigated the action mechanism concerning Trp in DNA photoreactivation, and obtained the results as follows: 1 We proposed a mechanism of photosensitized splitting of CPDs by Trp and Trp-containing peptides. 2 Quantum yields of splitting of the model compounds that a Trp linked covalently a CPD were obtained under 290 nm light in various solvents, these values changing with solvent, range from 0.01 to 0.5. 3 Utilizing pulse radiolysis technique, splitting processes were observed in aqueous solution of the CPDs with hydrated electron and some oxidative species (such as hydroxyl radical, bromic radical and azide radical), and obtained their rate constants. In the case of interaction between CPD and hydrated electron, splitting of the CPD anion, and pyrimidine anion transfer an electron to FAD or Rf, were observed. The process rate was slower one order more than that in photolyase. Minor, but highly mutagenic UV-light-induced lesions are (6-4) photoproducts, which are repaired by (6-4) photolyases. These enzymes, discovered in 1993, are not well characterized and their mechanism is still under investigation.

我们研究它的作用机理，获得以下结果：1）建立了色氨酸及其肽对嘧啶二聚体光敏化裂解的直接修复作用机理模型；2）获得了色氨酸共价键连接于嘧啶二聚体的化合物在多种溶剂中290nm光辐照裂解的量子效率，其值随溶剂而变化，范围在0.01-0.5；3）运用脉冲辐解观察到嘧啶二聚体与水合电子和一些氧化性的自由基作用裂解过程，得到相应速率常数；对二聚体与水合电子作用发生裂解以及向FAD返还电子的过程进行了体外模拟；4）（6-4）光解酶的作用机理中一个关键假定是氧杂环丁烷中间体在接受电子后能自发裂解，恢复二嘧啶的结构。

The effective stimulating sites were indentified by defensive cardiovascular response and other components of defence reaction evoked by 3 s trains of rectangular cathodal pulses (100Hz, 0.5ms pulse duration, 70 -150μA intensity for dPAG and 150-250μA for PF) delivered from a programmed multichannel constant current stimulator. The responses included an increase in blood pressure and heart rate, pupillodilation and an increase in the rate and depth of respiration. Currents of 1Hz, intensity of 100- 150μA for dPAG and 200-250μA for PF were used to observe the effect of the stimulation of them on RVLM neurones. The deep peroneal nerve and superfacial deep peroneal nerve were carefully separated, and put on a pair of stimulating electrode respectively, Both nerves were stimulated with constant rectangular pulses of 1Hz, 0.5ms duration and 300μA current intensity to see their effects on RVLM neurones. The baro-and chemo-receptors were activated by the intravenous injection of phenylephrine or 0.208 M NaH2PO4. The degree of convergent inputs to individual RVLM neurone was studied by the stimulation of the sites mentioned above. It was found that neurones about 61.4%(27/44) and 35.3%(6/17) received convergent inputs from three and four places respectively.

过去的研究主要集中于整体水平，利用电刺激或化学刺激RVLM神经元，观察对血压、心率及交感活动的影响，并对影响心血管交感活动的神经递质进行了广泛探讨，积累了大量资料；在神经元水平，主要研究刺激脑内核团、外周神经、化学感受器及压力感受器等对RVLM神经元放电的影响和某些神经递质影响神经元活动的机制、然而，对RVLM神经元如何整合不同信息、其可能突触机制等研究得较少，本互作拟采用在体细胞内、细胞外记录电活动与微电泳，结合中枢核团及外周神经电刺激等方法，对RVLM神经元在不同状态下的整合作用规律与可能机制进行初步探讨，为进一步了解这一复杂的整合过程提供新的理论依据。

The magnetic capability of the large dimension toroid for application was measured by the pulse magnetization method. When the outer and inner dimensions of the toroid core were 220 and 80mm, the bight was 60 mm, and the section was 4 200mm^2, the pulse width was 3.5~4.0μs, the repelition rate was 50Hz, the primary and second coils were 1 circle, the maximum volt-second product was 0.007Vs and the bias current was 8A to maintain the toroid not saturated.

使用脉冲法对成型的大尺寸磁环动态磁性能进行测量，励磁方式和工作中完全一致，在测量脉冲脉宽3.5~4.0μs，重复频率50Hz，初次线圈均为1匝，外径220mm，内径80mm，高60mm，截面积4 200mm^2时，得到磁环实际能够达到的伏秒数为0.007Vs，此时所需的偏磁电流大小为8A。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。