查询词典 QRS

It is the basis for designing balance mass. And, the couple between flexure and torsional vibration is calculated, which is QRSs intrinsic zero drift, and is also main considerations of determining scale factor.(3) There is a difference for equivalent elastic compliance constant of quartz crystal between the X-direction and the Z-direction. It is related directly to each parameter of QRS.

2对由机械耦合产生的零漂作了系统的定量描述，指出质量不平衡等因素产生的零漂可以由加质量和去质量来消除，这是我们设计平衡质量的依据；同时，计算了弯曲振动和扭转振动之间的耦合，指出它是QRS的固有零漂，也是确定QRS标度因子时所必须考虑的主要因素之一。

The curve length of the QRS complex is longer than that of other parts of the ECG in the same interval, so that the ECG curve length characteristic is suitable for QRS dctcction. Our algorithm not only detects the QRS complex position but also its duration.

该算法根据QRS复合波的曲线长度在一定的等时间间隔内大于ECG其他部分的特性进行QRS波的信息提取，其不但检测QRS波的位置，而且同时检测出QRS波的宽度。

Results As the results, there was 6 patients with the ILVT cycle length of (286±38)ms. The indicaed site of EA by noncontact mapping was at the middle septum in 4 patients, and at the inferior septum in 2 patients. Mean time of EA was (48.6±32.8)ms before onset of the surface QRS. The length of conduction pathway was (2.6±0.9)cm. The ablation catheter mapping showed perfect match in at least 11 of 12 leads at the EX (≥11/12), but not at the EA (≤10/12) with pace mapping during sinus rhythm. Purkinje potentials were mapped at EA and CP in all cases, but only one case at EX, and diastolic potentials were mapped at EA in 2 cases during ILVT. All cases were successfully ablated by area ablation at EA or/and line ablation at CP during sinus rhythm. None suffered a recurrence during (12±6) months follow-up.

6例ILVT周长为(286±38)ms，非接触标测显示4例激动起源位于中间隔，2例位于下间隔，EA较体表QRS波提前约(48.6±32.8)ms，传导径路长约(2.6±0.9)ms.6例病人在窦性心律下消融导管起搏标测12导联QRS形态与ILVT相匹配(≥11/12)处位于EX，而非EA(≤10/12)见正文。6例病人在室性心动过速期间消融导管于EA和CP处标测到PP，2例于EA标测到DP，1例于EX标测到PP.6例病人在窦性心律下于ILVT起源部位行片状或／和传导径路作线性消融均获成功，随访(12±6)月，未见复发。

Mean time of EA was (48.6±32.8)ms before onset of the surface QRS. The length of conduction pathway was (2.6±0.9)cm. The ablation catheter mapping showed perfect match in at least 11 of 12 leads at the EX (≥11/12), but not at the EA (≤10/12) with pace mapping during sinus rhythm. Purkinje potentials were mapped at EA and CP in all cases, but only one case at EX, and diastolic potentials were mapped at EA in 2 cases during ILVT. All cases were successfully ablated by area ablation at EA or/and line ablation at CP during sinus rhythm. None suffered a recurrence during (12±6) months follow-up.

6例ILVT周长为（286±38）ms，非接触标测显示4例激动起源位于中间隔，2例位于下间隔，EA较体表QRS波提前约（48.6±32.8）ms，传导径路长约（2.6±0.9）ms.6例病人在窦性心律下消融导管起搏标测12导联QRS形态与ILVT相匹配（≥11/12）处位于EX，而非EA（≤10/12）见正文。6例病人在室性心动过速期间消融导管于EA和CP处标测到PP， 2例于EA标测到DP， 1例于EX标测到PP.6例病人在窦性心律下于ILVT起源部位行片状或/和传导径路作线性消融均获成功，随访（12±6）月，未见复发。

As the variation of QRS complex wave is the primary reference criteria on clinical diagnosis of arrhythmia, exact extraction of the features of QRS complex wave is the key problem.

QRS复合波群的形态变化是心律失常临床诊断的重要参考标准，因而准确地提取QRS复合波群的波形特征是心律失常自动化诊断中面临的关键问题。

Severe chronic obstructive pulmonary disease is often associated with low voltage QRS complexes, slow R wave progression and a vertical or rightward QRS axis, as well as right atrial overload.

严重的慢性阻塞性肺疾病是往往与低电压QRS波群， R波缓慢进展和垂直或右倾QRS波轴，以及右心房超负荷。

The latter was defined as an elevation of the QRS-ST junction of at least 0.1 mV from baseline in the inferior or lateral lead, manifested as QRS slurring or notching.

早期复极定义为在下壁和侧壁导联上QRS与ST段结合点自基线上抬至少0.1mv，或表现为QRS粗钝或有切迹。

However 20(39%) patients appeared obvious T wave change among th e 52 patients with non-conceal assessory pathway after RFCA,including the 19 pa tients they passed through cmplete accessory pathway (QRS duration≥140 ms) and only one patient is incomplete accessory pathway (QRS duration ＜140 ms).

结果：80例隐匿性旁路在射频消融术后无1例出现心脏复极改变，52例显性旁路中有20例(占39 %)术后出现女性明显 T波变化，其中完全性旁路(QRS≥0.14 s)占19例，而不完全性旁路(QRS＜0.14 s)仅占1例。

RESULTS:Amo ng the 80 patients with conceal accessory pathway,no one had episodes of T wave change by RFCA. However 20(39%) patients appeared obvious T wave change among th e 52 patients with non-conceal assessory pathway after RFCA,including the 19 pa tients they passed through cmplete accessory pathway (QRS duration≥140 ms) and only one patient is incomplete accessory pathway (QRS duration ＜140 ms).

结果：80例隐匿性旁路在射频消融术后无1例出现心脏复极改变，52例显性旁路中有20例(占39 %)术后出现明显T波变化，其中完全性旁路(QRS≥0.14 s)占19例，而不完全性旁路(QRS＜0.14 s)仅占1例。

Methods:We ablated the ventricular tachycardia of 12 patients with normal hearts by the catheter, using pace mapping and activation sequence mapping. The former original target was the site where the pacing QRS was entirely consistent with IVT(Idiopathetic Ventricular Tachycardia) attack. And the latter original target was the site of in advance of earliest high frequency and low amplitude local potential on surface electrocardiogram QRS≥20ms, using activation sequence mapping. Results: Among 12 patients, the IVT originated from right ventricle in 2 patients, from left ventricle in 10 patients.

对12例正常心脏室速进行导管消融，采用起搏标测与激动顺序标测，前者以起搏时与室速QRS波型形态完全相同，后者以激动顺序标测法定位，以记录心动过速时较体表心电图QRS提前≥20ms的最早高频低振幅局部电位处为消融靶点，结果：12例患者室速起源部位分别为：右心室2例，左心室10例，疗效100%。

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。