practical formula 中文意思是什麼
practical formula
解釋
實用公式-
It make the principle formula become simpler and more practical. by the attenuation regulation and distributing character of stress wave under the linear charge blasting, the paper bring forward the idea that the columniation stress wave can be regarded as cylinder stress wave, the end stress wave as spherical wave. the perfect stress attenuation formula in radical direction is established in complete elastic medium
根據條形藥包爆破應力波分佈特徵及衰減規律，提出了可將條形藥包爆破柱部應力波當作柱面波、端部應力波當作球面波處理的研究方法：建立了理想的完全彈性介質中球藥包和條形藥包爆破徑向應力衰減方程。 -
Considering the special structure of multi - ribbed slab, founding diphase body mechanical model of compound material, strengthening rib beam and rib pillar by equivalent volume ratio of concrete and slice brick, the paper drew elastic compution constant and shear constant. based on the things, the paper simplified isotropy compution model to wall, gave practical design formula of elastic mold and shear mold, provided necessary parameter for practical design formula of elastic rigidity. finally the calculating results agree well with the text results
結合密肋復合墻板的特殊構造，建立墻板的復合材料二相體力學模型，按照混凝土與砌塊體積比不變原則對肋梁肋柱同時加強，得出墻板的彈性計算常數及剪切常數，在此基礎上，進一步將墻板簡化為各向同性的計算模型，給出墻板彈性模量及剪切模量實用計算公式，為密肋復合墻板的實用彈性剛度計算公式提供必要的參數。 -
Abstract : based on the principle of mininmum potential and using rayleigh - ritz method, the geometric non - linear analysis of higher bridge piers was solved in this paper. the new concept of equivalent horizontal force proposed by the author may be casily to calculate the second effect, which was produced due to the vertical forces and resisted by the piers and rubber pad bearings incorporately. the simple formula in this paper are applicable to calculate by hand, understood clearly without computation of successive iteration, higher precision and graspable easily for the disigmer therefore it has the practical significance
文摘:根據最小勢能原理，用瑞雷-里茲法解決了高橋墩的幾何非線性分析問題；其次，提出了等效水平力的新概念，可以方便地解決橋墩和板式橡膠支座聯合抵抗垂直力所產生的二次效應問題.筆者提出適合於手算的簡便計算公式，概念明確，勿須迭代運算，精度較高，易為設計人員掌握，因此具有實用價值 -
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。 -
First, the basic mechanical capability and creep were proceeded on the material test system with the modified three point bending creep fracture test. the modulus and fracture toughness and tensile strength was attained and creep curve in 200 temperature was also presented. applying basic damage mechanical theory, thermal damage analyses were performed induced in fracture toughness and modulus, the practical formula of damage factors varying with temperature and time was given
首先利用改進的三點彎曲試驗在mts實驗機上進行了巖石力學性能和蠕變測試，得到了花崗巖在溫度影響下的彈性模量和斷裂韌度以及抗拉強度變化規律，並得到了200下北山花崗巖蠕變全過程曲線。 -
The testing result shows that there is a difference actual seed dropping angle and the one acquired by calculation, therefore, a formula for the calculation of seed dropping angle even closely suited to production practice has been driven out and a theoretical basis for the application of 2bqm - 2 model plastic film mulch pneumatic precision planter in practical production is advanced in this paper
通過試驗，找出種子的落種位置規律。通過試驗結果分析，找出種子的實際的落種角度和計算的落種角度之間的差別，推導出更適合實際生產中所需要的落種角度，為2bqm - 2型氣吸式精量鋪膜播種機在實際生產中的應用提供了一定的理論基礎。 -
This paper first conducts the research to the steel wire roller conveyer ball bearing rolling body and the steel wire roller conveyer spot contact question, gives the main geometry parameter of the zone of contact by the hertz contact theory, stress extreme value as well as contact body elasticity approach quantity formula, and acts according to the practical application to carry on the simplification, calculates the main parameter of the bearing zone
本論文首先對鋼絲滾道球軸承滾動體與鋼絲滾道的點接觸問題進行研究，由hertz接觸理論給出接觸區的主要幾何參數，應力極值以及接觸體彈性趨近量的計算公式，並根據實際應用進行簡化，計算出課題所研究軸承接觸區的主要參數。 -
In this paper, the practical data is analysed and get a good effect. it proves that it is vailed for vti layers using the approximation moveout formula in this paper. this method has a good foreground
本文還結合實際資料進行了分析，取得了較好的效果，說明了用本文建立時距曲線擬合公式進行橫向各向同性介質多波速度分析是可行的，且具有廣闊的發展前景。 -
Abstract : this paper suggests a general model for hazard analysis of urban post - earthquake fire. based on the statistic study of urban fire, a modified calculating formula for occurrence of urban post - earthquake fire is established. according to poisson process model, a general analysis method is suggested. the analysis result is depicted by exceedance probability curves. the example analysis for a practical project is given in the paper
文摘:建議了一個城市地震次生火災危險性分析的一般模型.利用民事火災的統計分析結果，給出了城市地震次生火災發生率的修正公式.在此基礎上建議了地震次生火災危險性分析方法，並以超越概率曲線的方法表達次生火災危險性分析的結果.結合實際工程，給出了分析實例 -
Finally, the three kind of calculating formula about ultimate bearing capability under the sticking gfrp to reinforce concrete pole will be brought forward according to experiments " result, which is valid can be used in many other practical reinforce projects effectively
最後提出gfrp組合rc柱設計承載能力的三種不同計算公式即箍筋比擬法、綜合系數法、近似平衡法，以便能有效地應用到實際加固工程中去。通過本試驗中的試驗數據證明，這三種方法都是有效的。 -
Abstract : the problem of structure design for valve tower was discussed. some new calculation method and formula was proposed. and simu lating calculation was carried out with practical examples
文摘:對浮閥塔的結構設計問題進行了討論，提出了一些簡化的計算公式，從而可以利用計算機進行輔助計算，並用實例進行了考核 -
( 2 ) the key problem to the application of muskingum approach, in another word, there exists non - linear effect. therefore, to meet the demand of practical engineering to a more satisfactory extent, it is vital to convert the linear formula in muskingum model to a non - linear one
2 、在水文學中馬斯京根（ muskingum ）法是河道洪水演算中廣泛應用的方法，因該槽蓄方程是線性的，即把k ， x在一定河段內假定為常數，這在某些情況下是不切實際的，為此必須將馬斯京根模型中線性的槽蓄方程非線性化，才能更好地滿足實際工程的需要。 -
Moreover, the theoretical formula were applied in combination of practical example, with the temperature distribution along the radial direction in a transient state proposed
並結合算例給出了在短時超高溫條件下煙囪筒身沿徑向的瞬態溫度分佈。 -
The revising formula on p - y curves of the back pile subjected to the front pile in sand and the calculation method of laterally loaded single pile and pile groups are put forward. these formulas, which have practical value in piles calculation, are enough to meet piles calculation requirement
提出了群樁在砂性土中前樁對后樁土反力的影響折減系數公式，研究得出了水平承載樁（單樁、群樁）的計算方法。 -
Based on the analysis of the stress distribution law in different districts around the self - closed and full - connected arch walling support roadway, the relationship among the limit equilibrium radius and the in - situ rock stress, the physico - mechanical properties and support parameters is obtained. the calculation formula of arch walling width design is put forward so as to provide a theoretical basis for the practical design of support
在分析自封閉全接觸碹體支護巷硐周圍不同區域應力分佈規律的基礎上，得出了圍巖極限平衡區半徑同巷硐所處的原巖應力，圍巖本身的物理力學性質及碹體支護參數間的相互關系，提出了設計碹體厚度的計算公式，為實際進行支護設計提供了理論依據。 -
Study of practical formula about strength and rigidity of 6 - point - supported - glass using the super sap fea software to solve different calculation models - which have different parameters, such as a / b, a / c and so on, this paper achieves a series maximum deflection coefficients and maximum stress coefficients, then form calculation formulas of maximum deflection and maximum stress under the load of wind
6點支承玻璃強度剛度實用的計算公式研究採用supersap有限元分析，求出不同的計算模型（玻璃板的尺寸參量a b ， a c不同） ，得出一系列最大撓度系數和最大應力系數，形成6點支承玻璃在風載荷作用下的最大撓度計算公式和最大應力的計算公式。 -
Using the analysis method, the calculating method and practical formula of transverse and longitudinal column effective length coefficient of staggered truss framing have been done systematically and completely at the first time
本文採用解析法，首次全面系統地推導出錯列桁架體系橫向和縱向柱子計算長度系數的計算方法和實用計算公式。 -
When the axis force p is much greater than the moment m, the out - of - plane column - instability mode is dominated. otherwise, the in - plane instability mode of the beam - column is dominated. at the end of this part, the practical formula of box section beam - columns is suggested which avoid the incorrect concept of
最後對數據進行分析、擬合，得到了實用的計算箱形柱壓彎構件承載力的計算公式，並消除了規范中穩定系數羅_ b > 1 . 0的概念錯誤。 -
Once again, contraposing the specific case in engineering strengthening and the shortcoming in the strengthening concrete norm, the author puts forward modified means that designer should examine the internal force after esmating the prestressed tension rod sectional area and deduce the practical formula used in the examining
再次，針對加固規范和工程設計不完善的情況，提出了先估算后較核的改進辦法，並推導出較核中易用的預應力等效彎矩、軸力的計算公式。 -
A conclusion can be safely obtained : under the condition of considering geometric size c, which is a measurement from the center of a hole to the nearest side in the 6 - point - supported - glass, the analytic approach and the numerical analysis approach ( i. e. fea ) have a smooth unanimity, thus supplying a theoretical basis on which practical formula can be deduced through fea
得出結論： 6點支承玻璃在考慮孔邊距c影響的條件下，採用解析法與採用數值法進行計算，有較好的一致性。從而為採用有限元分析推導實用的計算公式提供了理論依據。
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