environmental cracking 中文意思是什麼

environmental cracking 解釋
環境破裂
  • environmental : adj. 1. 環境的，環境產生的。2. 環境藝術的。adv. -ly
  • cracking : adj 分裂的，分解的；〈美俚〉極快的，猛烈的。 cracking distillation 【化學】裂解蒸餾（法）。 crack...
  1. Tga. insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 1 : methods specific to polyethylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filler content measurement in polyethylene by direct combustion - measurement of carbon black content by termogravimetric analysis - assessment of carbon black dispersion in polyethylene using a microscope

    電纜和光纜的絕緣和護套材料.通用試驗方法.第4 - 1部分:聚乙烯和聚丙烯化合物專用方法.抗環境應力致裂.熔化流動指數測量.通過直接燃燒測量聚乙烯中炭黑和或礦物填料含量.通過熱重分析法
  2. Insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 1 : methods specific to polyethylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filler content measurement in polyethylene by direct combustion - measurement of carbon black content by thermogravimetric analysis - assessment of carbon black dispersion in polyethylene using a microscope

    電纜絕緣護套材料的通用試驗方法.第4部分:聚乙烯和聚丙烯專用方法.第1節:耐環境應力破裂性.在空氣中熱老化后的卷繞試驗.熔體流動指數測量.聚乙烯中炭黑和
  3. Pe. insulating and sheathing materials of electric and optical cables - common test methods - methods specific to polypropylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filter content measurement in pe by direct combustion - measurement of carbon black content by tga - assessment of carbon black dispersion in polyethylene using a microscope

    電纜和光纜的絕緣和護套材料.通用試驗方法.聚丙烯和聚丙烯化合物專用方法.抗環境應力致裂.熔化流動指數測量.直接燃燒法測量聚乙烯
  4. If the surface is covered or watered after casting of concrete, the influence resulted from change of environmental temperature and relative humidity on concrete will decrease to some extent. then the shrinkage stress will also decrease and the probability of cracking will be reduced as well

    混凝土澆注完后對表面進行覆蓋或澆水養護，可以很大程度上地減少外界溫濕度變化對混凝土內部的影響，減小了混凝土的收縮應力，從而降低混凝土開裂的可能性。
  5. Results of study show that inception voltage of electrical tree, breakdown voltage, environmental stress cracking, tensile strength and elongation at break of low density polyethylene are improved after grafting

    研究結果表明：接枝聚硅氧烷后，改性的低密度聚乙烯的樹枝引發示性電壓、擊穿場強、耐環境應力開裂性、拉伸強度及斷裂伸長率都得到提高。
  6. Plastics - determination of resistance to environmental stress cracking - bent strip method iso 4599 : 1986 ; german version en iso 4599 : 1996

    塑料.耐環境應力龜裂測定.彎形條塊法
  7. In the paper the effects of the made parameters, the main materials and environmental conditions on plastic shrinkage cracking were investigated. it can be concluded as following : 1 ) there was a critical w / c ratio of maximum plastic shrinkage cracking between lower and higher w / c ratio of concrete mixtures made with the same cement content per cubic meter, concretes with lower or higher w / c ratio being less prone to plastic shrinkage cracking and the w / c critical ratio critical of maximum plastic shrinkage cracking being about 0. 5

    本文研究了配製參數、主要原材料以及環境條件對新拌混凝土塑性收縮裂縫的影響，結果表明： 1 ）單方混凝土水泥用量一定時，較低水灰比和較高水灰比對應的混凝土拌合物不易開裂，而中間某一臨界水灰比對應的混凝土拌合物開裂較嚴重，這一臨界水灰比為0 . 5 ；單方混凝土水用量或水泥漿量一定時，混凝土拌合物的塑性開裂趨勢與上述情況相似，但臨界水灰比分別為0 . 45 - 0 . 4和0 . 4 。
  8. Based on theoretical analysis and computational model, a three - dimension numerical simulation software 3c3d ( concrete cracking control 3d ) was finished in which finite element and finite difference method were both hired. compared with the known data, good agreement proved it reliable and practicable. finally, by means of the software, with variant of environmental temperature and relative humidity and different curing conditions, the variety regulation of temperature and humidity and the stress due to them within concrete were analyzed

    然後針對收縮開裂的本質因素即混凝土內部的溫度梯度和濕度梯度，進一步從理論上分析了高強高性能混凝土早期溫濕度場隨齡期發展的分佈情況，分析溫濕度變化與收縮變形的關系，建立了相應的計算模型，並且採用有限元和有限差分方法編制三維模擬系統軟體3c3d （ concretecrackingcontrol3d ） ，通過與已知數據的對比分析，驗證了該模型的可靠性和實用性。
  9. Test method for environmental stress - cracking of polyethylene plastics

    聚乙烯環境應力開裂試驗方法
  10. Plastics. determination of resistance to environmental stress cracking. bent strip method

    塑料製品.環境應力開裂的測定.彎帶法
  11. Plastics. determination of environmental stress cracking. constant - tensile - stress method

    塑料製品.環境應力開裂測定.恆定抗拉應力法
  12. Plastics. determination of environmental stress cracking. ball or pin impression method

    塑料製品.環境應力開裂測定.球體或銷針壓痕法
  13. Common test methods for insulating and sheathing materials of electric cables. part 4 : methods specific to polyethylene and polypropylene compounds. section one : resistance to environmental stress cracking - wrapping test after thermal ageing in air - measurement of the melt flow index - carbon black and or mineral filler content measurement in pe

    電纜絕緣和護套材料通用試驗方法第4部分:聚乙烯和聚丙烯混合料專用試驗方法第1節:耐環境應力開裂試驗-空氣熱老化后的卷繞試驗-熔體指數測量方法-聚乙烯中碳黑和或礦物質填料含量的測量方法
  14. Environmental stress cracking test

    環境應力龜裂試驗
  15. Now our company has passed the authentication of iso9001 : 2000 quality system. our products are stable in quality, good in appearance and durability and environmental friendly without cracking and distortion

    公司目前已通過iso9001 ： 2000質量體系認證，產品質量穩定，美觀耐用不開裂不變形綠色環保。
  16. 08. 01 test method for environmental stress - cracking of ethylene plastics

    乙烯塑料環境應力斷裂試驗方法
  17. Standard test method for environmental stress - cracking of ethylene plastics

    乙烯塑料的環境應力破裂的標準試驗方法
  18. Esc. plastics - determination of environmental stress cracking - ball or pin impression method

    塑料.環境應力碎裂的測定
  19. Common test methods for insulating and sheathing materials of electric cables - part 4 : methods specific to polyethylene and polypropylene compounds - section 1 : resistance to environmental stress cracking - wrapping test after thermal ageing in air - measurement of melt flow index - carbon black and or mineral filler content measurement in pe

    電纜絕緣和鎧裝材料通用試驗方法.第4部分:聚乙烯和聚丙烯復合物專用方法.第1節:耐環境應力裂化試驗.空氣中熱老化后的纏繞試驗.溶體流動指數的測量. pe中炭黑和或礦物填充料的含量測量
  20. The main work done in this paper is as follows : ( 1 ) simulate the temperature field of basement wall by ansys software, sum up the characteristics of the temperature field of basement wall, and analyze the influence of the types of the molding board, environmental change and cement content ; ( 2 ) the whole simulation analysis process of early - age concrete stress field is realized by sub - development of ansys, and cts - ansys software is developed with fortran ; ( 3 ) based on the cause of cracking, the influence of the thickness of the wall, length, bar arrangement, mix proportion, expanding agent, etc, on the wall stress due to concrete creep and temperature change is analyzed

    本文主要進行了以下幾個方面的研究： （ 1 ）利用ansys軟體，模擬了施工期地下室側墻溫度場，總結了地下室側墻溫度場分佈的特點，分析了模板類型、環境變化和水泥用量等對墻體溫度場的影響； （ 2 ）以大型通用有限元軟體ansys為平臺進行二次開發，運用visualfortran語言編寫了cts - ansys程序，實現了施工期混凝土徐變溫度應力的模擬計算； （ 3 ）從裂縫形成的原因出發，分析了地下室側墻厚度、長度、配筋率、配合比、膨脹劑等因素對墻體徐變溫度應力的影響。
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