Potassium ions balance anions and organic acids , and are thus important in osmoregulation , the control of stomatal opening , and leaf movements ( through their effects on the turgor of pulvini ) 钾离子平衡阴离子和有机酸，因此在渗透调节、控制气孔的开闭以及叶运动（通过叶枕膨大的影响）中很重要。
The method of controlling the a / f combines the open and closed loop systems and gradually improves the accuracy of the lpg injection duty ratio by rough regulation , smooth regulation and micro - regulation 本文采用开闭环互相结合，粗、细、微调逐步精确喷气占空比的控制方式研制了lpg发动机空燃比控制器。
Our ceremonies will give china ' s greatest - and the world ' s greatest artists a stage for celebrating the common aspirations of humanity and the unique heritage of our culture and the olympic movement 我们的开闭幕式，将是展现中国杰出作家、导演和作曲家的舞台，讴歌人类的共同理想，以及我们独特的奥林匹克运动。
Our opening ceremonies will give china ' s greatest and the world ' s greatest artists a stage for celebrating the common aspirations of humanity and the unique heritage of our culture and the olympic movement 我们的开闭幕式将是展现中国和世界最杰出艺术家才能的舞台，讴歌人类的共同理想、我们独特的文化以及奥林匹克运动。
According to the characteristics of dynamic enviornmental evolution and the opening of the opportunity window , enterprises can choose the appropriate mode for individual introductory , m & a , and collaborative modes 根据三种环境的动态演化特征和机会窗口的开闭，企业可从自主型、引进型、并购型和合作型跨越模式中选择相应模式。
According to the principle of odontoprisis ' force , the radius vector value of cam on the open - closed armature position was calculated by the means of one dimension searching method at the open - closed odontoprisis cam outline 该方法根据咬纸牙产生咬纸力的原因，计算实际开闭牙位置在凸轮上对应的向径值，利用计算机一维搜索方法得到开闭牙的实际位置。
It has high reliability and reduces the occupying land , shortens the construction period and reduces the cost . it is coincident with the requirements of the power industry ministry of china for the construction of countryside substation 本文所述的箱式开关站非常适用于城乡35 - 110kv变电站或10kv开闭所，提高了供电可靠性，减少了占地面积，缩短了建站周期，降低了造价。
Louvered window is made of aluminum alloy , with special pneumatic open and shutting sructure to ensure the window completely open and shut , it can be in storm proof , rain proof and dust proof of carring belt rotary , which get the national patent 百叶窗采用铝合金，具有独特的气动式开闭机构，保证百叶窗完全打开或关闭，百叶窗达到防风，防雨，防尘采用支撑皮带转动，已获得国家专利。
Mr spielberg , one of a number of unpaid artistic advisers to the games , had announced this week that his conscience would not allow him to spend time on olympic ceremonies while “ unspeakable crimes against humanity ” continued in sudan ' s darfur region 斯皮尔伯格是北京奥运会的几名无偿艺术顾问之一，他本周宣布，在苏丹达尔富尔地区“难以言述的反人类罪行”仍在持续的情况下，自己的良心不允许他在奥运会开闭幕式上花费任何时间。
One of those boys , who loved to play with his companions , observed that , by tying a string from the handle of the valve which opened this communication to another part of the machine , the valve would open and shut without his assistance , and leave him at liberty to divert himself with his playfellows 有一次担任这工作的某儿童，因为爱和朋友游玩，他用一条绳把开闭通路的舌门的把手，系在机械的另一部分，舌门就可不需人力自行开闭。
