diameter of head 中文意思是什麼
diameter of head
解釋
頭徑-
Methods ： fifty paired embalmed cadaveric humeri ( twenty - five pairs : fourteen from male donors and eleven from female donors ) were scanned in medial - lateral ( ml ) and anterior - posterior ( ap ) position according to the humeral retroversion by ct. images of the humeri in the transverse planes at the lowest border of neck ( lbn ), 20mm and 40mm distal of lbn ( lbn - 20 、 lbn - 40 ), isthmus, head - neck anterior - posterior ( hn - ap ) were obtained. sixty - one extracortical and intracortical parameters were measured exactly by image analytic computer software that included offset, head position, head - shaft angle, head to tuberosity height ( ht ), head thickness, curvature radius, articular surface arc ( sa ), neck diameter, isthmus position, proximal and distal border of isthmus, maximum coronal and sagittal diameter of medullary canal and thickness of cortical bone in four planes, including lbn, lbn - 20, lbn - 40 and isthmus
方法： 50根成對防腐肱骨（男14對，女11對）按肱骨頭扭轉角置於冠狀位和矢狀位，行肱骨全長，頭頸矢狀面，解剖頸下緣及其下20mm 、 40mm ，髓腔狹窄部四平面ct掃描，由ct軟體測量冠、矢狀位髓腔內外參數共61項，包括頭心?干軸距，頭位置，頭干角，頭?結節高度差，頭厚度，頭半徑，關節面張角，解剖頸直徑，髓腔狹窄部位置，解剖頸下緣及其下20mm 、 40mm和狹窄部四個平面髓腔的最大冠、矢狀徑，皮質骨厚度等。 -
Belt length from head to tail roller is 2820 metres centre of shaft, 800mm wide, 110mm drum diameter
是說網帶的長度是2820米， 80厘米寬.滾桶直徑是11厘米嗎 -
This article discussed the relationship between the diameter of ball head and wear of polyethylene, the experimental results of reducing the dislocation rate with larger ball head and the preliminary clinical consequence of hip arthroplasty using larger head
作者對有關這方面的最近研究進展進行了綜述，重點綜述、討論了球頭直徑與超高分子量聚乙烯磨損的關系、大直徑球頭減少人工髖關節脫位的實驗結果及大直徑球頭在人工關節外科的初步應用。 -
When the sensing head equipped with rubber 4 # with diameter of 8mm and length of 12mm is pressed and its incipient wavelength shifts 0. 5 - lnm, its alarming level can be set as 1nm, and its response tune for petrol is 5 minutes
用直徑為8mm 、長為12mm的4 # （上述配方）橡膠棒裝備該傳感頭，傳感頭的初始波長預漂0 . 5nm ? 1nm時，傳感器的漏油報警限可設定1nm ，對汽油的溶脹響應時間為5分鐘。 -
For such calibrations it is necessary that the sensor element be mounted and sealed in a glass sheath so that the distance from the tip of the element to the bottom of the head of the thermometer is at least 450 mm, and the diameter of the glass sheath should not be greater than 8 mm
進行上述校正時，感溫元件必須裝于及密封於一玻璃套內，而該感溫元件的尖端與溫度計把手部份的底部最少距離450毫米，該玻璃套的直徑不得超過8毫米。 -
The giant cylindrical - shaped machine has a cutter head measuring 8. 7 m in diameter and a total length of more than 100 m. it weighs about 1, 500 tonnes and will be used for drilling the 1. 8 - km long tsing tsuen tunnel
這臺圓柱型機器機身最前的圓盤切割器直徑達八點七米，機身全長逾一百米，重約一千五百公噸，將用作鉆挖一點八公里長的青荃隧道。 -
The axial flow type turbines manufactured by the ganfa, are raging from 3 to 45m in water head, 100kw to 30mw in capacity and 0. 8 to 6m in runner diameter. in recent years, ganfa gained fast growth in this type of turbines. since manufacturing type zz560 - lh - 250 3. 2mw units for the nanhe power station in jiangxi, ithas also manufactured type zdjp502 - lh - 275 5. 5mw units for the niubilong power station in chongyi, jiangxi, and zd680 - lh - 420 4. 5mw units for the shamaoshi power station in shanghang, fujian
我公司軸流式水輪機適應水頭345m ，轉輪直徑0 . 86m ，容量10030000kw ，自80年代為江西南河電廠生產zz560 - lh - 250型3 . 2mw機組以來，軸流式機組有較快的發展，近年來又先後為江西牛鼻壟電站設計製造了zdjp502 - lh - 275型5 . 5mw機組，為福建上杭電站設計製造了zd680 - lh - 420型4 . 5mw軸流式機組。 -
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。 -
Abstract : based on the basic concept of the revolving shell, the equation of the middle surface generatrix of the approximate ellipsoid portion of the ellipsoidal head is derived, the unwrapped area and the unwrapped diameter of the ellipsoidal head are calculated, the result is compared with that of derived from the real ellipsoid and that of calculated from the empirical equation, relative chart and code are given out, which could be used by manufactures for reference
文摘:根據回轉殼體的基本概念，推導了橢圓封頭的近似橢圓殼部分的中面母線方程，據此推導計算了橢圓封頭的展開面積及展開圓直徑，並根據橢圓殼幾何形狀推導的結果與經驗公式所得結果進行了比較，給出了有關圖表及計算程序，可供製造單位參考使用。 -
The head size of an adult s toothbrush should be as long as the diameter of a one - dollar hong kong coin whereas the head size of a child s toothbrush should be as long as the diameter of a 50 - cent coin
成人用的牙刷，刷頭長度約為一個一元硬幣的直徑；至於兒童用的牙刷，刷頭長度約為一個五毫硬幣的直徑。 -
In this paper, the framework of measuring head of large diameter measurement system in multi - rolling - wheel method is designed by using the designing knowledge of precise mechanic, the knowledge of data processing and error correction and the method of the mathematical model fitting about measuring force and wheel deformation is described
本論文中應用精密機械設計、數據處理與誤差修正等知識，介紹了大直徑多滾壓輪測量系統的測量頭結構設計和滾輪變形與測量力之間數學模型的擬合方法。 -
Crowd out unit using screw that the big proportion of length and diameter, the effictiveness of plasticizing is very good. the head of mould using advanced electromotive system and hydraulic system, the degree of automatization is high, acting facillitately and the high of product efficiency. the head of mould using heating method inside, adjusting easily, the thickness of sheet is very precise, and the availability of heating is high, and saving the electricity
擠出機採用大長徑比螺桿，塑化效果好模頭換網部分採用先進電動液壓裝置，自動化程度高，操作方便生產效率高模頭採用內加熱式，具有調模容易板片厚薄更精確均勻，更為突出的是熱利用率高省電節能溫度控制採用 -
Theoretical analysis shows that the filtration behaviors of the deep bed, that are the head loss and turbidity of the effluence water, have the correlation o f l / d2 with the deep bed when the diameter of the filtration media is changed, if the depth of the deep bed is designed according to the relationship of l / d2, the filtration behavior of the deep bed will have a closer similarity with that of the original one
理論分析表明，濾池的過濾特性，即濾池的水頭損失和出水濁度與濾池的l d ~ 2成正比。改變濾料粒徑后，按照l d ~ 2的關系來確定濾池深度，與原濾池的過濾特性將保持更為良好的相似性。 -
At present, ganfa has developed 16 varieties of tubular turbines, ranging from 2 to 25m in water head, 200kw to 16mw in capacity, and 0. 8 to 5. 8m in runner diameter. they offered the best selection for exploitation of low head hydro - power resources in china
目前我公司貫流式機組適應水頭225m ，容量20016000kw ，轉輪直徑0 . 85 . 8m ，已發展盜近16個品種，為我國低水頭水力資源的開發提供了最佳機型。
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