circulating head 中文意思是什麼
circulating head
解釋
循環沖洗管頭- circulating : adj. 流通的，循環的，運行的。
- head : n 1 頭，頭部，首。2 頭腦，才能；智力，想像力，理解力。3 前部，上部；頂端，尖突部；船長；（書頁等...
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Points out that some designers only use empirical methods in determining the inner diameter of pipeline, calculating system resistance and selecting the rated flow and rated head of circulating pumps in water systems
摘要指出目前一些設計人員在設計空調水系統時，僅根據經驗值估算管道內徑、計算管路阻力和選配系統循環水泵的流量和揚程。 -
Through incision experiment on the impeller of circulating pump times and times, the relation between the size of incision and the capacity and head of the pump was discussed, the law of performance was summarized after the impeller is incised, the existing formula was revised
摘要經過對混流泵葉輪多次切割試驗，探討了葉輪切割量與泵的流量、揚程之間的關系，總結了混流泵葉輪切割后的性能變化規律，進而對現有公式進行了修正。 -
We think that the basic reason of the low efficiency in chinese stock market do not consist in the ownership of structure. the key of the state - owned listed company problem does not consist in having or not state - owned or intensive degree of state - owned ownership, but consist in to have a right fixed position. to resolve this problem, the solution should be from the source head, realizing as soon as possible the market turn mechanisms, and realizing all of the stock share circulating
研究發現，股權結構與公司經理層持股比例並不影響公司績效，從而得出結論：中國股市低效率的根本原因不在於股權結構，國有上市公司問題的關鍵不在於有無國有股或國有股的高低，而在於給國有股一個正確的定位，解決所有者缺位的病癥，其解決之道應從源頭入手，盡快實現市場化的運行機制，最終實現所有股票全流通。
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