目的:观察护理干预对骨折患者 术后疼痛情况和满意度的影响。方法:将56例骨折患者分为2组,对照组患者进行常规护理,观察组患者在常规护理基础上,进行多项护理干预。比较... 吴群 - 《今日健康》 被引量: 55发表: 2014年 个性化护理干预对下肢骨折患者术后疼痛治疗的影响 目的探讨个性化护理干预对下肢 骨折患者术后...
本发明涉及由甘油和乙酰丙酸及酯制备缩酮化合物及其用途。 谢尔盖·谢利福诺夫 被引量: 3发表: 0年 一类噁唑并吡啶季铵盐类化合物,其制备方法及用途 本发明涉及一种如式1所示的噁唑并吡啶季铵盐类化合物,制备方法及其作为合成中间体的转化应用.本发明提供的式1所示的噁唑并吡啶季铵盐类化合物的制备方法主要包括由...
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In the Volgograd Region, more than 3.9 million hectares of agricultural land, including 2.1 million hectares of arable land (36%), and 1.8 million hectares of hayfields and pastures (64%), are subject to degradation and desertification to one degree or another. The article presents the results...
本发明公开了一种以(R,S)N5,6,7,8四氢喹啉基1(2二苯基膦基)二茂铁基乙基胺为配体的锰络合物,制备方法,及其在催化酮类化合物不对称氢转移还原制备手性醇中的应用.本发明所提供的锰络合物为廉价金属手性催化剂,成本低,热稳定性好,其制备方法具有条件温和,周期短,操作条件简单等优点.该催化剂用于对酮类氢转移...
There's No Time Like the Present (in Minkowski Spacetime). Presents an argument related to errors of presentist on the basis of the special theory of relativity. Conclusion of the paper 'The Puzzle of Change' by Ma... Savitt,Steven,F. - 《Philosophy of Science》 被引量: 63发表: 2000...
The system has a number of controllers (2-8) connected together via a signal line and a number of lights (L1-L4). At least two controllers are associated with at least two lights, which can be driven by the relevant controller. The controllers form a master-slave system with at least ...
An echo is cancelled from a composite signal (S2) by providing a coarse phase adjustement (COARSE, Fig. 1), a fine phase adjustment (FINE Fig. 1), an amplitude correction (41), and then subtracting (42) the phase shifted signal (S2') from the composite signal (S2). In the coarse...
The apparatus may be utilized as a pump or as a turbine. During operation as a pump, the shaft and discs are rotated and fluid is introduced into the housing at a port at the center of the housing, flows in an outwardly spiralling path between the discs within the housing, and flows ...