directed angle 中文意思是什麼
directed angle
解釋
有向角-
Through the use of the multivalued directed angle and its related notions, it is given the sufficient and necessary conditions when the three chordal circles based on the three sides of a triangle as their chords share the same point
摘要利用多值有向角及其相關概念，給出了以三角形每邊為弦各作一圓所得三圓共點的充要條件，推廣了已有結論。 -
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。 -
The coupled effect is analyzed for an elliptical inhomogeneity under plane uniform loads and linear temperature change at infinity. the complex potentials are obtained for an elliptical inhomogeneity under plane uniform mechanical loading, uniform temperature change and uniform heat flow directed at any angle. the discussion is also given to the variation of the interfacial stresses with thermal parameters
分析了無窮遠平面加載和線性溫變的耦合效應，獲得了橢圓夾雜體在無窮遠平面均勻加載和均勻升溫以及任意方向的均勻熱流共同作用下的復勢解答，並討論了界面應力隨各熱載參數的變化規律，發現基體導熱性能越好（與夾雜相比） ，界面應力幅值越大。 -
A zero - voltage starting method is brought forward which switch the starting from separate exciting to self - exciting successfully ; pll ( phase lock loop ) technology is employed to realize the frequency tracing and constant phase angle control ; igbt driving and protective circuit suitable for parallel inverter is developed, which successfully solve the problem of time compensating and overlapping regulation for the driving signals ; a novel and practical over - voltage protective method for parallel inverters is presented which effectively avoid the possible over - voltage destroy to the inverter. xu haiwen ( power electronics and electric driving ) directed by senior engineer peng yonglong
提出了一種零壓啟動的他激轉自激方法；通過採用鎖相環技術實現了逆變器工作頻率的自動跟蹤和容性逆變角度的恆值控制；設計了適用於並聯諧振型逆變器的igbt驅動與保護電路，解決了驅動信號的時間補償以及重疊角的可調問題；提出了一種新穎、實用的逆變器過壓保護方法，有效地解決了並聯型諧振逆變器過壓保護這一難題。 -
This dissertation, directed by the method of the combination of history and theory, looks back to poverty alleviation in the countryside of shanxi province in the new period, from the angle of the party history and politics
本文以史論結合的方法，主要從黨史學、政治學、社會學的角度對新時期山西省農村扶貧工作的歷程進行回顧。 -
Therefore, under the condition which the government ’ s poor financial resource, consumer ' s request and the private department ’ invest impulse had directed system transition in public utilities, also is the public utilities marketization reform. at present in china. this article from the view of policy science, use public policy analysis method to analyze our country public utilities marketization reform problem, this not only provides a new angle of view for the current research, but also can let us understand this problem more systematicly and comprehensively. the author make the appraisal about current implementation of chinese public utilities marketization reform, and then from the policy process angle, analyse the problems which are existing in process of public utilities marketization reform in china, the main problems as follows : unperfect legal system, weak management and supervison of government, serious benefit conflict ; finally, propose the corresponding solution according to the existed problems : first, build good environment ; second, promote the consummation of competitive system ; finally strengthen the construction of subjece in the reform
於是在政府財力難以為繼的條件下，消費者的要求與私人部門投資的沖動共同導演了在公用事業領域中的制度變遷，也就是中國目前的公用事業運用市場機制的改革。本文從政策科學的角度，利用公共政策分析的方法來解析我國公用事業運用市場機制問題，這不僅為當前研究提供一個新的視角，更重要的是能讓我們系統而深入的透析該問題。筆者在對我國公用事業運用市場機制改革的實施現狀做出評估的基礎上，從政策過程的角度，對我國公用事業運用市場機制過程中存在的問題進行了分析，指出現在存在的問題主要是法制不健全、政府監管不力、利益沖突嚴重;最後根據所存在的問題提出了相應的解決措施，首先是要營造良好的環境，其次是促進競爭機制的完善，最後要加強改革中各主體的自身建設。
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