Tiotropium; low flow oxygen; Stable COPD; Chronic respiratory failure.
噻托溴铵；低流量吸氧；稳定期慢阻肺；慢性呼吸衰竭。
The signal loss of MRA with TOF in both fast flow and low flow was variable.
TOF法MRA对高速血流或低速血流所致的信号丢失的表现不同。
Provides superior flow characteristics and fine adjustment at low flow ranges.
流量特性稳定，低流量及微量调整容易。
The water quality was more stable in high flow period and more changeable in low flow.
丰水期水质比较稳定，枯水期水质变化相对比较大。
In the low flow rate, it is the major composition of TP, its proportion being as high as 87%.
而在低流速下，溶解性磷是TP的主要组成成分，其质量浓度的相对比例可高达87%。
The distribution form and the selection methods in low flow frequency analysis were introduced.
介绍枯水频率分析中的常用线型以及频率分布线型的选择方法。
This method is of some reference value for other low flow velocity system with tube of small diameter.
该法对其它小管径低流速系统有一定的参考价值。
The operation was performed under deep hypothermia and extracorporeal circulation with low flow perfusion.
手术采用胸骨正中切口在体外循环深低温低流量灌注下施行。
Hasthe hotel investigated installing low flow and dual flush toilets as these will reduce water consumption?
酒店是否研究过安装低水流和双重节水型马桶，以降低水源消？
The result shows that the preferable heat transfer effect can be acquired on the condition of a low flow rate.
研究结果表明流体绕流振动圆管时，在较低流速下即可获得较好的传热效果。
A new structure fan with small size, high pressure and low flow-rate is designed to meet the demands of industry.
为满足工业领域对高压比、低流量风机的需求，设计了一种新型结构的小尺寸、高压比、低流量风机。
In parallel installations, the larger valve handles the requirements for maximum flow down to its low flow capacity.
这种并联安装方式中，大阀门处理降到低流量空穴下的最大流量需求。
Objective To evaluate the effect of age on the alveolar concentration of Isoflurane during low flow rate anesthesia.
目的研究在低流量麻醉时不同年龄对异氟醚肺泡浓度的影响。
Warranting the required separation efficiency, trough and angular type separators are featured by low flow-resistance.
在保证分离效率的前提下，槽形和角形分离件具有流动阻力小的特点。
This paper presents a novel low flow scattering flowmeter and a mathematical method for its nonlinearization correction.
本文介绍和分析了一种适用于小流量散流的流量计及其非线性处理方法。
For passive material such as F5, it could cause negative effect at low flow velocity when cathodic protection was applied.
对于钝化材料(如F 5)在低流速条件下施加阴极保护可能出现负效应。
The probability of annual runoff for high, normal, and low flow years due to the change of mean annual runoff was studied.
并研究了仅由均值变化引起的这两个流域丰水、平水及枯水年出现的概率变化。
Low flow speed lesions (venous malformation or lymphatic malformation) should be distinguished from other cystic lesions in head and neck.
低流速的静脉畸形、淋巴管畸形须与头颈部其它囊性病变鉴别。
To monitor the movement process of fissured water, self-designed a portable and microminiature device for auto - measuring the low flow rate.
为了测定裂隙岩体渗流的动态变化过程，本文自行设计了一种便携式、超小型的低流速自动测定装置。
Using the systemic and comparative methods, this paper reviews the low flow runoff from natural and anthropogenic factors, its forecast methods.
采用系统和比较的方法对影响枯水径流的自然与人为因素、枯水径流的预测方法进行总结。
Check the solenoid valve products with a variety of refrigerator current value, high flow and low flow, in order to determine the product 's fine.
说明：检查多种冰箱用电磁阀门产品的电流值，高压流量及低压流量，以便判断产品的优良。
Recommended standards are: I like to read, have a certain history, low flow, update frequency is not too high, did not participate in any alliance.
推荐标准是：我喜欢读、有一定历史、流量低、更新频率不太高、没有参加任何联盟。
Objectivc the feasibility of using moderate hypothermia with low flow rate in cardiopulmonary bypass (CPB) for congenital heart disease repair was studied.
目的研究先天性心脏病患儿体外循环手术中采用中度低温合并低流量灌注技术的可行性。
At low flow attenuation performance of semi-active muffler was computed respectively by using theoretical formula and three-dimension finite element method.
低速气流时，分别进行了半主动消声器的消声性能理论计算和三维有限元法数值计算。
Conclusion Persistent low flow oxygen therapy can significantly reduce the heart rate and improve the clinical symptoms of senile chronic congestive heart failure.
结论持续低流量吸氧可显著降低慢性充血性心衰患者的心率，改善心衰临床症状。
There are many factors that affect the low flow in a karst basin, such as climate, catchment area, lithology, soil, landform and so on, most of which are uncertain.
喀斯特流域枯水径流特征值的影响因素很多，如气候、流域面积、岩性、土壤、地貌等等，而能够确知的信息不多。
The result shows that by means of the packer logging, the log effect of ultrashort wave watercutmeter has been quite improved in high water content and low flow producing well.
试验结果表明：在高含水低排量的抽油机生产井中，集流测井使超短波含水率仪测井效果得到了显著的改善。
Objective: To investigate the mechanism of increased glucose uptake, the expression of myocardial glucose transporter1 (GLUT1) was determined after low flow myocardial ischemia.
目的：通过检测低血流心肌缺血后心肌细胞葡萄糖转运子1 (GLUT 1)基因的表达，探讨心肌细胞对葡萄糖摄取增加的代谢机制。
Objective: To investigate the mechanism of increased glucose uptake, the expression of myocardial glucose transporter1 (GLUT1) was determined after low flow myocardial ischemia.
目的：通过检测低血流心肌缺血后心肌细胞葡萄糖转运子1 (GLUT 1)基因的表达，探讨心肌细胞对葡萄糖摄取增加的代谢机制。
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