The principle of liquid nitrogen flow detection, hardware design and operating principle of whole circuit are also described in this paper.
文中详细地论述了超声波流量检测原理、系统硬件结构和工作原理。
By the method of material flow accounting, this paper studied the human activities-related nitrogen flow in the system of environment and anthroposphere in Huizhou region.
采用物流核算的方法研究了中国惠州地区与人类活动有关的氮流在环境系统和人类生产生活系统的状况。
Therefore, it is necessary to analyses nitrogen flow in food chain system, evaluate the reasonableness of nitrogen flow.
因此,分析食物链养分流动的特征和规律,评价其合理性,是非常必要的。
The effects of nitrogen flow as carrier gas, impurities , sample size and temperature on rate of dehydrochlorination of HPVC were investigated comprehensively.
探讨了氮气流量、低分子杂质、试样的形状、温度等因素对HPVC树脂热脱氯化氢速率的影响。
The influence of nitridation temperature and nitrogen flow rate on the growth of buffer layers is emphasized.
主要考察了氮化温度和氮气流量对缓沖层生长的影响。
The solubility of hydrocarbon gas in some brand of polyethylene is calculated by Henry 's law to give nitrogen flow from purging bin in PE plant of different scale.
利用亨利定律预测了烃类气体在某一牌号聚乙烯中的溶解度,并由此计算了不同装置的凈化氮气的用量。
Controlling the oxygen level within the curing chamber is simply a matter of adjusting the nitrogen flow rate until the desired reading is obtained.
控制范围内氧气水平的固化室是一件简单的事,调整氮气流量,直至理想的阅读获得。
It is not only the major site of metabolic activity but it is also the largest protein reservoir, and playing a central role in nitrogen flow during some disease states.