降压

With the capability to be configured in a Buck, Boost, Buck-Boost, or SEPIC topology, and an input and output operating voltage rating of 75V, the LM3429 is ideal for illuminating LEDs in a very diverse, large family of applications.

NS 公司的LM3429是多用途高压 LED驱动器控制器，可以配置成降压，升压，升/降压或SEPIC拓扑，输入和输出的工作电压额定值为75V，内部的PWM控制器可调开关频率高达2MHz。

The MAX15054 enables designers to avoid the cost and complexity of a SEPIC topology by allowing the implementation of buck and single-inductor buck-boost topologies with the output referenced to ground in single string and multistring LED drivers.

MAX15054在单串和多串LED驱动器中通过使用降压以及单电感升降压拓扑结构，并将地电位作为输出电压的参考点，从而使设计人员避免了采用SEPIC结构带来的成本和设计复杂度。

Because ouabain polyclonal antibody made blood pressure reduced for shorter time and possessed slightly allergy, we aimed to prepare a new depressor, ScFv, with high specificness by advanced phage display technique. The heavy-chain and kappa light-chain variable region gene repertoir of immunoglobin were amplified individually with heavy chain and light chain primers of Pharmacia Corporation and assembled into ScFv by a linker with overlap extension PCR.

针对哇巴因多克隆抗体存在的降压时间持续较短及存在轻微的过敏反应等缺点，本研究利用先进的噬菌体抗体库技术，拟研制开发一种具有高度选择性的降压新药--哇巴因单链抗体。

Currently the medicine for the treatment of hypertension is commonly chemical drugs, mainly including the following categories: diuretics,β—beta-blockers, vasodilatin, chemical antihypertensive tablets, compound antihypertensive tablets, etc.

目前治疗高血压常用的是化学药，主要有以下几类：利尿剂、β—受体阻滞剂、血管扩张素、化学降压片和复方降压片等。

At the same time,the contents of angiotensin Ⅱand norepinephrine were decreased significantly in the medulla oblongata,hypothalamus,aorta,and left ventri-cle.The results suggest that in addition to the vasodilating effect nifedipine might als...

提示硝苯啶的降压作用，除了直接扩张血管外，亦降低中枢和外周组织中AⅡ和NE的含量，这可能是销苯啶降压机制中的一个组成部分。

Daily administration of 10g/kg for 3 weeks rendered no significant changes in the liver function, blood picture,EKG,and pathologic examination.

每日灌胃10g/kg，共4周。在给药第2周降压作用开始显著，继续给药则降压更多。每周平均舒张压低时分别下降32，17，6，20，12mmHg(25％，14％，5％，16％，10％)。

Addition to other antihypertensive agents such as guanidine bromide, hydralazine, propranolol, methyldopa, also can cause depression.

除复方降压片外，其他降压药如胍乙啶、肼苯哒嗪、心得安、甲基多巴等也可引起抑郁。

Fixed buck Saver, saving money is not festival, lights shorten the life span of lights for the high costs and engineering fees: a fixed step-down energy-saving products Product, if the fixed descending 5V, power-saving rate is too low, fixed down 10V, energy-saving rate not high, if the lights on down 20V, turn on the lights when there are many lights do not stand up.

固定降压节电器，节电不节钱，灯具寿命缩短，换灯成本和工程费高：固定降压产品节能产品，如果固定降5V ，节电率太低，固定降10V ，节电率也不高，如果开灯就降20V ，开灯时就有许多灯亮不起来。

In this paper, the power-saving operation of the asynchronous motor under different kinds of loads is analyzed theoretically. With the thyristors, the power-saving operation under low voltage is presented.

对电动机在不同性质的负载情况下，对电动机降压节能进行了理论分析，利用晶闸管改变电路电压，实现电动机的降压节能控制。

This article describes three cases of the importance of blood pressure and the correct step-down method.

本文通过三个案例介绍了降压的重要性及正确的降压方法。

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。