超載因數 的英文怎麼說

中文拼音 [chāozǎiyīnshǔ]
超載因數 英文
overload factor
  • : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 數副詞(屢次) frequently; repeatedly
  • 超載 : overload; excess freight; supercharge load(ing); overloading; superload
  1. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參隨負特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參攝動范圍採用「對象參攝動離散滑模控制器的設計方法」 ,以確保系統在參攝動時的穩定性和快速、無調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果
  2. The studied factors respectively are : length of soil nailing, insert deepness of piles, friction force of soil nailing interface, declination angle of soil nailing, horizontal spacing of soil nailing, rows of soil nailing, unit weight of soil, friction angle, unit cohesion, overload of slope, diameter of soil nailing

    這11個素分別為:土釘(錨管)長度、土釘直徑、土釘界面摩擦力、土釘下傾角、土釘水平間距、土釘排、土體重度、內摩擦角、粘聚力、坡頂、板樁插入深度。
  3. This paper conbined with the indoor test and the scene test road, through the synthetical analysis of the factors of influencing densification effect for the densification thickness of filling stone roadbed. the maximum grain size of fill material, densification machinery and densification frequency et al. advanced a control norm of the maximum grain size and piy of compression, established ration evaluating the control standard of densification quality of filling stone roadbed under overload. comparing with result of indoor test and the scene test road, studied on theory of densification in different kinds of stone material and perfected the control system of the densification of filling stone roadbed under overload

    結合室內試驗和現場試驗路的實測據,通過對填石路基的壓實厚度,填料最大粒徑,壓實機械及壓實遍等影響壓實效果的素的綜合分析,提出填石路基的最大粒徑和攤鋪厚度的控制指標,建立定量評定交通下填石路基壓實質量的控制標準,並對照室內試驗和現場試驗結果,研究不同石料條件下的壓實理論,補充完善了填石路基壓實控制指標體系。
  4. This paper describes mainly system functions, measuring methods, circuit design, software program and errors analysis of a new type of measuring instrument. this instrument can measure and monitor electric parameters in single - phase circuits, three - phase ( three - wire or four - wire ) circuits. this system can be applied to electric devices and power plants, transformer substations with harmonic pollution. it can measure current, voltage, power, energy, frequence, power factor etc. it also can detect load quality, phase sequence, alarm, display and print results, as well as detect and dispose negative power

    該儀器適用於含有諧波污染情況下的機電設備現場、發電廠、供電局、企業變電所現場,可用來測量電流、電壓、有功功率、無功功率、視在功率、有功電能、無功電能、視在電能以及頻率和功率等電參,並具有負性質(感性、容性)判別,正、逆相序判別指示功能;限報警功能;列印記錄功能和負功檢測及處理功能。
  5. Finally, two examples show that, the availability and practicability of the new model is verified. the analysis of calculation result of berthiervill test embackment shows different part of compression curve have different influence upon the course of consolidation, and correct coefficient and viscous effect have great significance on deformation forecast. associated with the wenzhou airport runway engineering, the reason of increasing of pore - water pressuer in under - lying soft layer and post - construction settlement are given

    最後,通過兩個工程實例的分析來說明本文模型的有效性和實用性:一是對berthiervill填土試驗場的軟基實測據和理論成果進行對比分析,闡明考慮結構性擾動和粘滯性效應對分析天然粘土固結壓縮性的重要性;二是對溫州機場袋裝砂井預壓工程進行值模擬,指出停荷預壓期間下臥層孔壓增加和工后沉降大的原
  6. The study shows that besides boundary conditions, the factors influencing the nonlinear consolidation behavior of soils are the compression index cc, the permeability index ck, the level and the rate of loading, and the thickness of soil, etc. in nonlinear consolidation, especially for layered soils, the average consolidation degree defined by settlement, us is greater than the one defined by effective stress, up, i. e., the rate of the development of settlement is greater than that of the dissipation of excess pore water pressure

    研究表明,除邊界條件外,影響軟土地基一維非線性固結性狀的主要素是壓縮指c _ c 、滲透指c _ k 、荷大小與加荷速率、土層厚度等。對于非線性固結,特別是成層地基,按沉降定義的平均固結度u _ s大於按有效應力定義的平均固結度u _ p ,即沉降發展速率要快于靜孔壓消散的速率。
  7. Furthermore, it was shown that load - displacement of pile groups and load distribution on pile top were affected by properties of soil and stiffness ratio of piles to soil, and by length, diameter, spacing, and number of piles

    在此基礎上,分析了剛性承臺條件下大群樁基礎的荷位移曲線變化規律以及樁頂荷分佈規律受樁土剛度比、樁長、樁徑、樁距、樁、土性等素的影響規律。
  8. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用過程中,由於受其自身及外界各種素的影響,常常會產生一些缺陷,對結構物的承能力和耐久性造成嚴重影響,採用無損檢測技術進行質量檢測和健康診斷,這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作,重點討論了聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍,運用動力有限元值模擬其檢測過程,探討了有裂縫缺陷的混凝土結構在脈沖荷作用下彈性波的傳播及其變化特徵,研究了不同裂縫深度下首波相位變化規律,得出了反轉臨界點與裂縫深度之間的關系,這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術,它是利用聲波穿透被檢測體獲取聲波接收時間,來進行計算機反演成像的技術。
  9. However, you should balance the need to periodically recycle with recycling too often, because the cost of stopping the worker process, reloading pages, and re - obtaining resources and data can override the benefits of recycling

    但是,應當平衡定期回收的需求和過頻的回收,為停止輔助進程、重新加頁面並重新獲取資源和據的開銷可能會過回收的好處。
  10. At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db

    本研究採用一階溫度系為零的壓電石英基片上製作出損耗小於5db 、有品值素( ql值)過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器,頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系為1 . 25db的低噪聲系放大器,精心設計電路,優化設計布置印製電路板,用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件,製作出在偏離頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。
  11. This paper, regarding the asphalt pavement in the zhoukou region as the study object, according to the prevalent norms ( specifications for design of highway asphalt pavement ), with the beginning of the pavement performance and the transportation investigation, totally and systematically analyzes the traffic parameters and the destroying reason of pavement at the early stage in the point of fatigue property and limit strength, gives the concepts and methods of the growth rate of equivalent axle load action time, seasonal modification factor and overload factor, proposes the method of axle load conversion on the condition of heavy loading. on this basis, it proposes the design method adapting to asphalt pavement construction, explains the steps of thickness computation of construction with the combination of engineering example, finally verifies thedesign method in the paper by test road. theory and practice both prove that the reasonability of pavement structure style and the reliability of design method in the paper can adapt to the present heavy loading and overloading traffic conditions, have highly theoretical and practical value

    本文以周口地區瀝青路面為研究對象,以現行《公路瀝青路面設計規范》為依據,從路面使用性能和交通特徵的調查入手,從疲勞特性和極限強度出發分析了路面早期破損的原,全面系統地進行了交通參的分析,提出了當量軸次增長率、季節修正系的概念和方法,並提出了重交通的軸換算方法。在此基礎上,針對、重交通從結構組合設計、結構厚度計算(包括疲勞強度標準和極限強度標準)等方面提出了適宜的瀝青路面結構設計方法,並結合工程實測,說明了結構層厚度計算的具體步驟,最後通過試驗路驗證本文提出的設計方法。理論與實踐均表明,本文提出的路面結構型式合理、設計方法可靠,能適應目前重交通的狀況,具有較高理論與實用價值。
  12. The sapphire resonator method studied in this paper is used to apply for the national measurement standard of rs for high tc superconductive thin films, in which the rs value of hts film can be determined by measuring the change of the unloaded quality factors of the loaded resonator

    在國內,本論文研製的藍寶石介質諧振器法正在申請高溫導微波表面電阻rs國家測試標準。此法通過測量加導薄膜后介質諧振腔的固有品質的變化來確定導薄膜的微波表面電阻。
  13. Sapphire resonator working in te011 + mode is used in this paper to nondestructively measure the microwave surface resistance rs of a single piece of hts thin film at 77k. the microwave surface of htsc film under test can be determined by measuring the change of the unloaded quality factors of the loaded resonator

    本文就對導薄膜的微波表面電阻的測試進行了系統的研究。本文介紹了一種利用te011 +模式的藍寶石介質諧振器測量高溫導薄膜微波表面電阻的方法,通過測量加導薄膜前後介質諧振腔的固有品質的變化來確定導薄膜的微波表面電阻。
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