Finding my way to alternative medicine (Foster's Daily Democrat)Information on Finding my way to alternative medicine (Foster's Daily Democrat) under Alternative Medicine section of the Health Articles & Reviews; Editor's note: Foster's reporter Jennifer Keefe shares her thoughts on learning to deal with and control the disease endometriosis, well-known among women but as she ... |
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Finding my way to alternative medicine (Foster's Daily Democrat)
by Camille_Bellingeri 03-28-2009, 07:34 AM
Editor's note: Foster's reporter Jennifer Keefe shares her thoughts on learning to deal with and control the disease endometriosis, well-known among women but as she is learning, little discussed.
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BELIMO阀门 Belimo是全球最大BELIMO阀门和技术供暖、通风、空调(暖气通风空调):齐全单一来源. 不论是空气或水电路、更安全的防火及排烟、空中管制室或个人:提供最佳的解决方案 BELIMO阀门R2二通控制球阀BELIMO阀门、BELIMO阀门R3三通控制球阀控制特性 为了控制的稳定性,阀门需要有在盘管和其他传热装置非线形特征相反的流量特征。等百分比特性可以使热输出和 阀门开度相比呈线性.当阀门开始打开时,流量增加非常缓慢 典型的球阀属性 在控制实验条件下,全通球阀表现为等百分比特征。遗憾的是当典型的球阀安装在现场时起特性会产生严重畸变。 原因是全通球阀相对与它本身尺寸有极大的C值。在这种应用场合阀门尺寸过大,而“阀权”很差。结果是,当阀 门全开启时,阀门两端的压力差非常小。 随着阀门关闭,压差增加。只到阀门完全关闭,全系统压力作用于阀门
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