切圓 的英文怎麼說
中文拼音 [qiēyuán]-
In data processing, several data file format exported from measuring system has been analysis in detail, and some research has been made in these file - formats, and some try was made also. the decision standard of a thin and long triangle was discussed. besides the minimum angle of a triangle, there also the no - equlangularity and the ratio of radius of inscribed circle and circumcircle of a triangle
比如利用vc6 . 0開發了程序，可以計算三角片的法矢量、三角片的一些特徵信息，以及狹長三角形的判斷，特別是分析了除最小角之外的兩個判斷標準：外接圓和內切圓半徑之比值r r ，以及三角形的不等邊度e ，及它們與最小角之間的一致關系。Supply sintered corundum abrasive chips. over ten shapes : triangle, oblique triangle, fan, cylinder, oblique cylinder, rhombus, square, v - shape, ball shape, elliptical, etc
有十多種形狀上百個規格，如：三角形斜切三角形圓柱形斜切圓柱形扇形橢圓形正方形球形v形菱形等。Shenzhen chenggong trade co., ltd. supply sintered corundum abrasive chips. over ten shapes : triangle, oblique triangle, fan, cylinder, oblique cylinder, rhombus, square, v - shape, ball shape, elliptical, etc
有十多種形狀上百個規格，如：三角形斜切三角形圓柱形斜切圓柱形扇形橢圓形正方形球形v形菱形等。By translations and changes of scale the spectral subspaces associated with all discs can be characterized similarly.
通過平移與尺度改變，伴隨著一切圓域的譜子空間都可以類似地給予刻劃。Through measuring residual swhirling flow field in the flue duct of a real boiler, and analysing layout features of front and back platen supe - heaters in large - scale tangential firing boilers, the flue gas energy distribution regularity in horizontal flue duct of tangential firing boilers has been studied
摘要通過對實際鍋爐煙道煙氣殘余旋轉流場的測量及大型切圓燃燒鍋爐前、后屏過熱器的布置特點分析，研究了切圓燃燒鍋爐水平煙道煙氣能量的分佈規律。Circular saw bench for band feed ripping
手工送料縱切圓鋸機In this article, the numerical simulations were conducted for sncr of a tangentially fired coal furnace
本文利用fluent軟體對四角切圓燃燒煤粉鍋爐的sncr過程進行了模擬。This paper is to take the test model of a 1mw pulverized coal furnaces of four wall - tangentially - fired as the research subject
本文以一臺1mw的四墻切圓煤粉燃燒室為研究對象，對爐內的速度場以及顆粒的運動軌跡進行了計算分析。The reform scheme of no. 1 boiler in fengtai company is confirmed on the basis of cold / hot tests, theoretical discussions and calculations. in the process of field retrofit, it is indicated in the operation of the improved furnace that without the change of furnace structure, the transform of the burner angle has shrunk the tangential diameter and prevented flames burning on furnace walls, and the burning state of furnace has been bettered, simultaneously, lowering the slagging wi in furnace, thus laying sol id foundation for the safe and economic operation of generating units. wuyanrong ( power plant thermal power engineering ) directed by prof
本論文通過冷、熱態試驗，經過論證和計算，確定了豐泰公司~ # 1爐燃燒器的改造方案，並進行了現場改造，改造后實際運行狀況表明：在無法改變爐膛結構的情況下，改變燃燒器角度，縮小切圓直徑，使火焰不貼壁，改善了爐內燃燒工況，同時降低了鍋爐結渣的程度，為機組的安全經濟運行奠定了必要的技術基礎。Numerical simulation of airflow characteristics in furnace
六角切圓爐膛氣流流動特性的數值模擬Via the analysis of heat balance computation model and the computation of online heat balance for industrial coal boiler, this dissertation researched overall input heat, efficient utilized quantity of heat, heat losing of discharge flue gas, heat losing of chemistry and mechanism incomplete combustion, heat losing of dispelling heat of boiler, heat efficiency, air superfluous coefficient, wind speed, wind quantity, computation of primary air circle cutting and whose influence on boiler combustion efficiency
本文通過對工業煤粉鍋爐熱平衡計算模型的分析，利用在線熱平衡計算，研究了總輸入熱、有效利用熱量、排煙熱損失、化學不完全燃燒熱損失、機械不完全燃燒熱損失、鍋爐散熱熱損失、熱效率、空氣過剩系數、風速、風量及一次風切圓計算以及這些因素對鍋爐燃燒效率的影響。Rubber, unvulcanized - determinations using a shearing - disc viscometer - determination of mooney viscosity
未硫化橡膠.用剪切圓盤型粘度計測定.穆尼粘度的測定Rubber, unvulcanized - determinations using a shearing - disc viscometer - determination of the mooney stress - relaxation rate
未硫化橡膠.用剪切圓盤型粘度計測定門尼應力鬆弛率These results show that since the existent defects of combustion device structure and its hypothetical circle of contact, these make a poor primary and secondary wind rigidity in operation and a too big actual circle of contact. in addition, the coal used is extreme prone to burn and reside in boiler. under such a condition, the coal powder ignites earlier in a short time and short distance when it leave the jet - combustioning device, and splashes the water cooler, eventually this results in a burned coal residue in boiler
針對宏偉熱電廠410t / h燃煤鍋爐嚴重結渣問題，對燃煤的結渣性、爐內溫度工況及空氣動力工況等進行實驗研究，由於燃燒器結構和假想切圓選擇的缺陷，使得鍋爐在正常運行時，一、二次風剛性較差，實際切圓過大，加上目前燃用煤質屬于極易燃、易結渣煤質，致使煤粉在離開噴燃器很短的時間、較短的距離內開始著火，並沖刷水冷壁，最終造成爐膛結渣。The authors proposed a high - efficiency cnc generating method for cylindrical gear with arcuate tooth traces, by means of a standard hob and studied the bobbing mechanism
摘要提出了一種利用標準齒輪滾刀滾切圓弧齒線圓柱齒輪的數控加工方法。Remark : 1. to supply other types and shapes of product if agreed. 2. rod material specification regarding to the diametre of round rod. square rod and multi - shaped rod regarding to inside diametre
注： 1 .經協商可供應其它狀態及形狀的產品。 2 .棒材規格指圓棒直徑、如方棒及多角形棒指內切圓直徑。In chapter 5 experiments is made on pulverized coal classifier ( pcc ) with air absorbed from the bottom of it and hope to find a simple and high efficiency method to collect coal. the results show the useful method is to control certain absorbing air quantity and positions. simulation is made on pcc to study the flow field and grain track
最後，本文對電廠的一臺200mw的四角切園的鍋爐應用再燃改造方案后爐內的情況進行了數值計算模擬，研究了四角切圓鍋爐內no _ x的生成規律和再燃技術應用后對no的還原效果，並對鍋爐進行改造后爐內的流場和溫度場進行了計算，為工程應用提供參考。Based on practical engineering, the multi - tangential firing technology and the variance perimeter wind technology were introduced in this paper too. from the practical point of view, in this paper, we state the application of multi - tangential firing technology to setting the high temperature corrosion of the water wall tubes of boiler
本文對鍋爐水冷壁高溫腐蝕有關機理、影響因素以及預防措施作了詳盡的論述，並結合工程實際，詳細介紹多切圓燃燒技術以及變異周界風技術，從實踐角度介紹多切圓燃燒技術在解決鍋爐水冷壁高溫腐蝕中的應用。Experimental study on change in concentration field of six - corner tangentially fired boiler
六角同心雙切圓燃燒鍋爐濃度場試驗研究These measures are as follows : shorten the primary wind intervals to improve thermal load of the burner ; reduce the size of hypothetical circle of contact to prevent the flame from splashing ; use nozzles with larger height / width ratio to increase the effusive rigidity, so as to increase the jet flow depth of secondary wind into the main jet flow ; use a higher primary wind velocity to increase its jet flow rigidity ; use a special flame holder structure of the primary nozzle, so as to improve
這些技術措施主要有:縮小一次風間距以提高燃燒器區域熱負荷;縮小假想切圓防止火焰刷墻;採用高寬比較大的二次風噴口以增加射流剛性，提高二次風射流進入主射流的深度;採用較高的一次風速來提高一次風射流剛性;一次風噴口採用特殊穩燃結構;提高下二次風的托粉能力。分享友人