鉛芯 的英文怎麼說

中文拼音 [qiānxīn]
鉛芯 英文
lead for retractable pencil
  • 鉛 : 鉛名詞1. （金屬元素） lead （pb） 2. （鉛筆心） lead （in a pencil）; black lead
  • 芯 : 芯名詞1. （物體或器物的中心部分） core 2. （蛇的舌頭） snake's tongue
  1. Black leads for wood - cased pencils. classification and diameters

    木質外體鉛筆的石墨鉛芯.分類和直徑
  2. Mechanical pencils ; black leads, classification and dimensions ; identical with iso 9177 - 2 : 1989

    活動鉛筆.黑鉛芯.分類和尺寸
  3. Black leads for wood - cased pencils ; classification and diameters ; identical with iso 9180 : 1988

    木製鉛筆的黑色鉛芯.分類及直徑
  4. In the near future, we plan to replace the conventional black lead pencil with green products like clutch pencil and lead refill. they will become our standard stock range

    本署計劃不久將以環保鉛芯筆和替換鉛芯，取代傳統的黑鉛筆，並會把這些環保產品列入標準用品項目。
  5. The analysis on unilateral, bilateral and lateral - torsional coupled seismic response of base - isolated structures with lead rubber bearings is carried out. the maximal displacement of the bearings is studied. the influence on lateral - torsional coupled seismic response of base - isolated structures due to the excentricity and uncoupled period ratio of the superstructure, and the excentricity of the isolation system is investigated

    對鉛芯疊層橡膠支座基礎隔震結構進行了單向及雙向地震反應對比分析，並研究了支座最大位移的確定；對結構進行了平?扭耦聯地震反應分析，研究上部結構的偏心距及非耦聯周期比、隔震層偏心距等因素對結構的平?扭耦聯地震反應的影響，並對結構平?扭耦聯地震反應的控制進行了探討。
  6. In order to develop and consummate the analysis theory and calculation method of base - isolated structures, based on the research on restoring force model of isolation systems and the analysis on the nonlinear seismic response of base - isolated structures, the analysis on multi - dimensional and lateral - torsional coupled seismic response of base - isolated structures is developed in this paper. according to the mechanical performance of isolation systems, detailed analysis and improvement of the present research, an unilateral and a bilateral coupled visco - elastic hysteretic model for rubber bearings, an unilateral and a bilateral coupled visco - elasto - plastic differential hysteretic model for lead rubber bearings, an unilateral and a bilateral coupled modified visco - plastic differential hysteretic model for sliding friction bearings are proposed

    為進一步發展和完善基礎隔震結構分析理論和計算方法，本文以隔震系統恢復力模型研究及基礎隔震結構非線性地震反應分析為基礎，對基礎隔震結構的多維地震反應及平?扭耦聯地震反應開展了以下幾方面的研究工作：根據隔震系統力學性能的特點，在現有研究成果的基礎上，對隔震系統恢復力計算模型進行了改進和創新，提出了普通疊層橡膠支座單向及雙向耦合粘彈性恢復力計算模型，鉛芯疊層橡膠支座單向及雙向耦合粘彈塑性微分型恢復力計算模型，摩擦滑動支座單向及雙向耦合修正粘塑性微分型恢復力計算模型。
  7. Leads for mechanical pencils

    自動鉛筆的鉛芯
  8. Flat - loop effect and hysteresis property of the rubber bearings

    鉛芯橡膠支座滯回曲線的扁環現象及其恢復力模型
  9. The authors use etabs program to build finite element model of the seismic - isolation structure, through time - history analysis of the structure which uses the lead rubber hearing setting with different initial shear stiffness, and give reasonable advice to setting initial shear stiffness of the lead rubber bearing used in the seismic - isolation design

    摘要運用etabs建立隔震結構的有限元模型，對鉛芯隔震橡膠支座屈服前剛度不同取值的隔震結構進行了時程分析，通過對比分析，給出了隔震設計中的鉛芯隔震橡膠支座屈服前剛度取值的合理建議。
  10. Last, two examples, of the response of a bridge with the lead - rubber bearing, were designed and analyzed based on the conclusions and the regression formula from this dissertation

    最後，運用本文得出的結論及回歸公式設計鉛芯橡膠支座，並進行鐵路簡支梁橋、城市輕軌連續梁橋的地震響應分析。
  11. The result indicates that the mechanical properties of lead - rubber bearing mainly depend on its geometry structure and material components. and the properties are reasonably stable during loading and unloading reciprocating cycle

    研究結果表明：鉛芯橡膠支座的力學性能主要由其本身的結構構造及組成材料決定，且在往復加、卸載循環過程中具有較好的穩定性。
  12. In the research related to compression property theory, a constant related to the vertical stiffness of nrb and lrb has been found respectively, which is defined as compression stiffness factor. the simplified calculation theory of vertical stiffness is established based on stiffness factor

    在壓縮特性理論相關的研究中，發現並找到了天然橡膠和鉛芯橡膠隔震支座豎向剛度相關的一個常數，並將其定義為壓縮剛度因子，基於剛度因子建立了豎向剛度簡化計算理論。
  13. Abstract : at first, the shaking table test of a gravity pier model was done. the comparison between the test data and the theoretical analysis results of the model showed that they are identical to each other. the dynamic model of a whole bridge with gravity piers and lead - rubber bearings was set up. the positive role of lead - rubber bearings on lowering the seismic responses of railway bridge and the seismic character of gravity piers were analysed. some earthquake resistance measures of railway bridge with gravity piers were put forward

    文摘:首先進行了重力式橋墩模型振動臺模擬地震試驗，試驗與理論分析結果基本一致;然後建立了採用鉛芯橡膠支座的重力式橋墩橋梁全橋體系動力分析模型，計算分析了鉛芯橡膠支座對橋梁的減、隔震作用及重力式橋墩的抗震性能，提出了重力式橋墩橋梁的抗震措施。
  14. By statistically analyzing the test data, a regression formula has been attained. second, the influences of seismic wave, foundation of a bridge and the mechanical properties of lead - rubber bearing on the response of an isolated bridge with the lead - rubber bearing was investigated. several conclusions for properly applying lead - rubber bearing in isolated bridges have been made

    其次，利用單墩模型，系統地研究了地震波特性、鉛芯橡膠支座參數、橋梁下部結構特性及場地土特性等對隔震橋梁動力響應的影響，提出了在橋梁隔震中合理使用鉛芯橡膠支座的一些建議。
  15. Pencils, coloured pencils and leads for them

    鉛筆彩色鉛筆及所使用的鉛芯
  16. The earthquake load of its main pile was reduced by over 80 percent. the second sample is a railway simple - beam bridge. the earthquake load of its main pile was reduced by over 50 percent

    實例分析表明：設計的鉛芯橡膠支座具有明顯的減震效果，在連續梁橋中，制動墩的減震率達80以上；簡支梁橋中，減震率達50以上。
  17. Influence of dynamic characteristics of lead - rubber bearing on seismic response of continuous beam bridge

    鉛芯橡膠支座動力特性對連續梁橋地震響應的影響
  18. First, a series of mechanical characteristic tests for lead - rubber bearing was taken. the relations among the mechanical properties of lead - rubber bearing with its different structure dimension and load have been studied

    首先，通過鉛芯橡膠支座的力學性能試驗，系統研究了鉛芯橡膠支座的力學性能與其結構構造及外加荷載之間的關系。
  19. Some useful results are obtained through lots of comparative analysis. the research results illustrate that base isolation structure can reduce the horizontal earthquake response of superstructure effectively compared with traditional technique. this method is very effective, base shear, floor deformation, acceleration of isolation structure is less than no isolation structure

    文中分別考慮不隔震（傳統抗震結構）及以鉛芯疊層橡膠支座作為隔震裝置的基礎隔震結構，對其由地面輸入ei - centro地震波，進行了大量的計算分析比較，得出了一些有益的結論:隔震結構採用橡膠墊隔震支座時具有明顯的隔震效果，它能大大減輕結構的水平地震作用。
  20. In 2002, we introduced green products like clutch pencil and lead refill as our stock items

    二零零二年，本署引入環保鉛芯筆和替換鉛芯等環保產品，作為存貨用品項目。
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