protection angle 中文意思是什麼

protection angle 解釋
防護角
  • protection : n 1 保護,保衛,防禦,掩護,包庇,照顧 (from; against)。2 保護者,防護物 (against); 〈美俚〉...
  • angle : n 【英史】盎格魯人〈cf Angles〉。n 1 角,隅,角落;棱,嬗角。2 【數學】角,角位,角的度數。3 【機...
  1. Dead angle of differential currents is measured when realizing the transformer differential protection based on the dead angle

    在間斷角原理變壓器差動保護中,需要測量差動電流導數波形的間斷角。
  2. The fast discrimination between magnetizing in - rush current and fault current is a difficulty in transformer protection presently. to solve this problem, second harmonies restraint and dead angle are used widely in practical application

    勵磁涌流的快速鑒別仍然是當前變壓器保護面臨的一個難點,在實際應用中廣泛採用二次諧波制動原理和間斷角原理來鑒別勵磁涌流。
  3. For added protection, fit a high quality door guard or door chain and a wide angle viewer

    若要加強保安,可安裝優質防盜?或門扣,廣角防盜眼也是不可缺少的。
  4. Abstract : there are only two set values ( 30, 45 ) for interior angle of the stimulated directional power relay as the protection in phase to phase short circuit fault. an accurate setting formula for interior angle of the microprocessor - based directional power relay as the protection in phase to phase short - circuit fault is proposed and analyzed, users can set as a calculation value or at least an optimum in the formula. therefore the operation sensitivity and reliability of the directional relay would be improved greatly. the opinion is new and practical

    文摘:保護相間短路的模擬式功率方向繼電器內角的整定值只有兩個( 30 、 45 ) ,用戶只能在這兩個值中選其一;分析並提出了保護相間短路的微機型功率方向繼電器內角的準確整定計算公式,用戶可以整定為該公式的計算值或至少為最合理的值,從而能顯著提高方向繼電器的動作靈敏度及可靠性,具有新見解及應用價值。
  5. The methods to decrease the angle of decline of the comb - plates are experimentally researched by changing the parameter of drie process and splashing aluminum protection layer

    採用不同的drie工藝參數,並採用結構保護措施,實驗研究了減小電容極板傾斜角度的工藝方法。
  6. So it is proved that the working model is right, and on the basis, the influences of the compression ratio and fuel injection advance angle on the diesel engine ' s combustion performance are studied. ( 2 ) energy resource and environment protection are two important problems that diesel engine is faced with. so in this paper the constrained optimization is studied in order to decrease fuel consumption within the limitation of the regulation on exhaust emission and power output

    ( 2 )能源和環境保護是柴油機存在和發展的兩大問題,因此本文在滿足排放法規及柴油機動力性的基礎上,以降低油耗為主要研究目標,進行有約束條件的優化計算,並提出了一種新的柴油機工作過程優化計算方法? ?非線性回歸?網格法。
  7. Wave - shape apron belt with large angle transferring system can working both horizon and perpendicular, which can also work at any angle within 0 - 90 with large load. the cost of designing, handling and repairing is low. the technology is reliable. it is good for environment protection. it has been widely used in steel, chemical and cement industries, which have benefited a lot

    大傾角波狀擋邊帶式輸送機系統可以和垂直狀態下運行,也可在0 90度范圍內任一角度運行,允許大運載能力、重載運輸,為設計、施工和維護節省投資和運行成本,技術可靠,利於環境保護,在全國各大鋼鐵、化工、水泥等行業運行,使廣大用戶受益匪淺。
  8. Using fem ( finite element method ), the paper makes mechanical analyses on bench cut method and side heading method, it also makes mechanical analyses on some auxiliary construction methods, such as big pipe - roof protection, horizontal roll - spraying, big and small angle pipe - roof protection and surface grouting

    論文採用有限元的分析方法,主要對臺階法、側壁導坑法進行了力學分析,也選擇了大管棚法、水平旋噴法、大小外插角管棚法和地表注漿加固四種輔助工法進行力學分析。
  9. Adjustable shading is particularly useful for eastern and western elevations, as the low angle of the sun makes it difficult to get adequate protection from fixed shading

    對于東西立面可調節式遮陽是非常重要的,因為太陽的入射高度角低,使固定的遮陽設備很難達到一個準確的支出角度。
  10. This thesis chooses b spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current. a transformer microcomputer protection was designed in this thesis, and in the base of intermission angle principle, a new criterion was established, which pierces through the traditional method with accurate measurement of intermission angle, but analyses the wave by wavelet transform. this criterion is lower in hardware, so it will be realized in the existing hardware

    本文選擇適合電力系統信號分析的b樣條函數作為母小波,對勵磁涌流和內部故障電流進行小波分析,並設計微機型變壓器保護基本配置,在以往間斷角原理鑒別勵磁涌流的基礎上,突破傳統精確測量勵磁涌流間斷角的方法,直接對信號小波變換后的波形進行分析,建立一個新的鑒別勵磁涌流判據,該判據對硬體要求不高,可以在現有一般硬體平臺上實現;並編寫以b樣條函數為母小波的小波變換判據演算法程序。
  11. Then, this article gives a demonstration of legislation mode of protection to computer software from the angle of legislation construction in information society, and cons ides that it is a realistic selection at present to apply the comprehensive system based on copyright law including other laws. but in the long term, we should establish special law department, that is, industry copyright law to provide special protection to computer, software

    進而從信息社會法制建設的角度出發,為實現利益平衡及適當保護民族軟體產業的發展的價值目標,根據軟體的基本特性和國內外的立法趨勢,對計算機軟體的立法保護模式作了自己的論證和展望,認為:近期採用版權法為主,多法綜合保護的模式是一個比較現實的選擇;而長遠的方向應該是專門的工業版權法保護,並可能將構成一個新的邊緣法律部門。
  12. The second chapter analyses, from the angle of jurisprudence, the necessity to give law protection to traditional trade names

    第二章從法理學的角度分析了對老字號進行法律保護的必要性。
  13. Based on the analysis about the situation of the cultural decline with the small ethnics in our china, this article points out that we should get proper cognition to the development and protection of culture with the small ethnics in our china ; and analyzes the tourism valuable characteristics of small ethnics ' culture, moreover gives dissertation on the tourism significance by the angle of protection and development upon ethnic culture ; the article also takes the heze ethnics county jie jinkou in tongjiang of hei longjiang province as an example, makes out the strategy of ethnic cultural protection in small ethics settlement based on the tourism exploitation

    摘要本文從我國小民族文化衰亡的形勢分析出發,指出了對我國小民族文化發展與保護應持有的認識;分析了小民族文化的旅遊價值特性,並從民族文化的保護與發展的角度論述了旅遊的意義;以黑龍江省同江市街津口赫哲民族鄉為例確立了基於旅遊開發的小民族聚居地民族文化保護戰略。
  14. For the cranes which arm angle and length is alterable, its utmost hoist competence is changeable. so we must found the characteristic curve math model of the crane. then the plc programme can provide protection for the crane working according to the math model

    對于臂桿角度和長度可變的起重機而言,其起吊重量極限值是變化的,這就要求事先建立這類起重機的起重特性曲線的數學模型,然後再讓plc程序按照給定的數學模型對起重機進行安全作業保護。
  15. In this article, writer gives some examples of the protection of commercial instrument law about the person in good faith, from the angle of statutory provisions and legal system. this article divides into four chapters, mainly study the following contents : chapter one is the study of the person in good faith on commercial instrument

    本文從票據上善意人保護的一般考察著手,闡述了票據法上善意的認定,善意人的保護范圍,進而指出了在票據法上對善意人保護的法律規定和制度,包括票據善意取得、票據抗辯制度、票據表見代理。
  16. This thesis, according to limestone environmental characteristic and characteristic of construction of highway of mountain area of limestone, sets out in excavating from the road bed of the angle of environmental protection, according to trying not to excavate, how to reduce to excavate, how to reduce and excavate the impact on surrounding environment of the course, how to go on the expressway view and ecological environment and how to carry on environmental quality resume, we employ theories such as engineering of traffic, rock soil engineering, traffic psychology, traffic aesthetics, operations research, etc. we have excavated environmental protection theory and method and carried on research to the mountain area expressway road bed of limestone systematically, propose the road bed to excavate and optimize, slope protect, discard cubic meter of earth and stone deal with, natural river system recuperate recovery, view environmental recovery, environmental quality resume theory system of appraising etc.

    本論文依據石灰巖山區環境特徵和石灰巖山區高速公路建設特徵,從路基開挖中環境保護角度出發,按照盡量不開挖、如何減少開挖、如何減少開挖過程對周圍環境的影響以及如何對高速公路景觀和生態環境進行恢復、如何對建設項目進行環境質量評價等思路,應用交通工程學、巖土工程學、交通心理學、交通美學、運籌學等理論與方法,系統地對石灰巖山區高速公路路基開挖環境保護理論與方法進行了研究,構建了包括路基開挖優化、邊坡防護、土石方處理、自然水系調治恢復、景觀環境恢復、環境質量評價等理論或方法的石灰巖山區高速公路環境保護理論框架,為促進石灰巖山區高速公路的可持續發展提供了基本思路。
  17. Based on the reservoir bank protection project, the reconnaissance design, the construction, distortion slope body technical and so on, and according to the ecological prospecting and the forecast appraisal achievement of mountainous area reservoir runned for many years, through actual investigation of the collapses of the bank, the distribution distortion, the types and forming conditions, the collapses formation mechanism of the bank and the types of the pattern are analyzed, and of the bank collapsing parameter of each kind of gneiss under and above water stable angle of slope and so on are confirmend

    摘要利用已運行多年的山區型水庫地質勘探、預測評價成果,在掌握庫岸防護工程的勘察設計、施工及變形坡體的監測等技術資料的基礎上,通過對塌岸及變形的分佈、類型及形成條件等方面問題的實測調查,分析塌岸效應的形成機制及模式類型,確定各類巖土體的水下及水上穩定坡角等塌岸參數。
  18. It provides steady lifting with low noise, and is equipped with lifting brackets, anti - fall supporting protection, stopping protection against wire fracture, limiting device for maximum load, control device for maximum lifting height and fixing device for the turning angle of the bracket arm

    升降平穩、噪音低,並設有舉升托架、防跌落支承保險、鋼索斷裂制動保險;最大負荷限定裝置和托臂回轉角度鎖定裝置。
  19. Ecology environment protection in nationality regions of the west china a visual angle of moral culture of ecology

    生態道德文化視角的西部民族地區生態環境保護
  20. Similar simulation study of pressure - relief protection angle during extraction of long - interval lower protective seam

    開采遠距離下保護層卸壓保護角的相似模擬研究
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