mass degradation 中文意思是什麼

mass degradation 解釋
物質降解
  • mass : n 彌撒；彌撒的儀式[禱告、音樂]；彌撒曲。 a high [solemn] Mass （有燒香、奏樂等的）大彌撒。 a low ...
  • degradation : n. 1. 降級；免職。2. 退化；墮落。3. 【地質學；地理學】（地表的）剝蝕。4. 【化學】降解，遞降分解（作用）。5. 【物理學】（能的）退降。
  1. The changes in molecular weight, mass, mechanical strength, microstructure of fibers and ph value of the buffer solution with time in vitro had been studied. the study shows that degradation mechanism of pdlla / ha compound fiber was indicative of an autocatalysis process and simple noumenon hydrolysis

    通過對試樣的性能測試和形貌觀察，研究了pdlla ha復合纖維在降解過程中其分子量、重量和力學性能以及緩沖溶液ph值等一系列參數的變化規律，並探討了復合纖維的降解機理。
  2. The bacilliform cell penetrate into interior of the fibre to degrade the cellulose strongly and produced a mass of sticky polysaccharides. after cultured 48 hours, the bacilliform cell ' s surface of sporocytophaga have a great change. at this stage the bacilliform produce a lot of sticky polysaccharides. these sticky polysaccharides associated with the sites where the filter paper was decomposed intensively and form thorns on the surface of the bacillium. at the same time, the filter - paper weight loss is the greatest and decomposing rate is the fastest, so we think that the sticky polysaccharides are produced during the cellulose degradation

    培養48小時，桿狀細胞的表面結構發生很大的變化，此時的菌體表面已產生大量的粘性多糖，這些粘性多糖因菌體在纖維素表面滑動而在菌體表面形成突起，即在纖維素被旺盛降解部位的菌體表面產生了大量突起；而產生突起的菌體深入到纖維素分子內部，纖維素表面可以清晰地看到由於菌體嵌入纖維素分子內部而留下的凹陷。
  3. 2. there were statistically differences between the groups in acidity and compressive strength changing at the first 6 weeks after degradation test, mass loss and intrinsic viscosity changed significantly in whole period, volume contract happened after the 2nd week ( p < 0. 05 ). 3. after modified with alginate calcium, the scaffolds have the much higher hydrophilic ability, water uptake reached 50 - 60 % ( v / v ) from 0. 5 to 24 hours, no significant difference found between the inner groups

    經過藻酸鈣改性后的支架親水性能得到良好改善，體積含水量在24小時內保持在5o朋之間，區組、組內比較無顯著性差異中勸刀5 ） ；酒精處理后吸水率達到個12之間，顯著高於對照組的2 10 ，區組和組內比較均存在顯著性差異（卜
  4. Zl serial possesses strong capacity of degassing, dehydration and edulcoration. user may choose purification mode according to degradation level of oil, unqualified items and oil mass

    Zl系列產品則有很強的脫氣脫水除雜質的功能，用戶可根據其油液劣化程度不合格項目和油量的多少，合理選擇凈化方式。
  5. A ; insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 2 : methods specific to polyethylene and polypropylene compounds - tensile strength and elongation at break after conditioning at elevated temperature - wrapping test after conditioning at elevated temperature - wrapping test after thermal ageing in air - measurement of mass increase - long - term stability test - test method for copper - catalyzed oxidative degradation

    電纜絕緣護套材料的通用試驗方法.第4部分:聚乙烯與聚丙烯復合物專用方法.第2節:預處理后的斷裂伸長率預處理后的翹曲試驗在空氣中熱老化后的翹曲試驗增加量測量長期穩定性試驗
  6. Nitrogen dioxide and sulfur dioxide and formaldehyde, three kinds of common contaminating gases, were selected as treatment subject. the influence factors on the rate of photocatalytic degradation such as intensity of uv irradiation, humidity and initial mass concentration were investigated in detail

    實驗選擇比較常見的甲醛、二氧化硫、二氧化氮三種污染氣體為處理對象，主要考察了光強、濕度、初始濃度對其光催化降解速率的影響情況。
  7. Insulating and sheathing materials of electric and optical cables - common test methods - methods specific to polyethylene and polypropylene compounds - tensile strength and elongation at break after conditioning at elevated temperature - wrapping test after conditioning at elevated temperature - wrapping test after thermal ageing in air - measurement of mass increase - long - term stability test - test method for copper - catalyzed oxidative degradation

    電纜和光纜的絕緣和護套材料.通用試驗方法.聚乙烯和聚丙烯化合物專用方法.高溫處理后抗拉強度和斷裂伸長度.高溫處理后的卷繞試驗.在空氣中熱老化后的卷繞試驗.質量增加的測量.長期穩定性試驗.催化銅氧化降解的試驗方法
  8. There have been a mass of research documents showing that many visual functions deteriorate with age both for human beings and for animals. age - related visual function decline could not be completely attributed to optical and retinal changes. considerable visual impairments in the old might result from morphological ( such as cell loss, dendritic change and synaptic density decrease ) or functional ( such as weakened gaba inhibition ) degeneration of visual pathways. in this article we made preliminary studies on the mechnisam underlying visual function degradation by electrophysiological and morphological methods

    隨著年齡的增長，人及動物的許多視覺功能出現衰退，老年性視覺能力降低並非完全由眼的光學因素和視網膜形態、功能變化導致，不少方面可能決定於衰老引起的視覺中樞結構（如神經元丟失、樹突野改變及突觸密度下降等）和生理功能（如皮層內gaba能抑制作用減弱等）的改變。
  9. Roadbed construction on permafrost will give substantial disturb for the heat and mass transfer balance between the ground surface and atmosphere, usually, roadbed construction increases the amount of absorbed heat via vegetation removal, solar radiation and increased role of water activities in the adjoining area, then cause the local degradation of the permafrost underneath, as a result may lead to damage of the roadbed

    多年凍土區道路的修築，改變了原來天然地表與外界的熱交換關系，通常由於地面植被的破壞、太陽輻射和水的影響，導致進入地層中的熱量增加，引起多年凍土區凍土的融化，從而導致路基面破壞。
  10. How to automatically deal with the huge information has become a very important research topic. due to the information returned by traditional search engine varying broadly, the result of user " s query may include a mass of irrelevant information, which leads to degradation of the precision

    隨著internet的廣泛應用， web得到了迅猛的發展， web上的信息呈指數級增長，因此，如何對這種海量web信息進行自動處理成為非常重要的研究課題。
  11. A. common test methods for insulating and sheathing materials of electric cables - part 4 : methods specific to polyethylene and polypropylene compounds - section 2 : elongation at break after pre - conditioning - wrapping test after pre - conditioning - wrapping test after thermal ageing in air - measurement of mass increase - long - term stability test appendix a - test method for copper - catalysed oxidative degradation appendix b

    電纜絕緣和鎧裝材料的通用試驗方法.第4部分:聚乙烯與聚丙烯復合物專用方法.第2節:預處理后的斷裂伸長率.預處理后的纏繞試驗.空氣中熱老化后的纏繞試驗.增加量的測量.長期穩定性試驗
  12. Common test methods for insulating and sheathing materials of electric cables. part 4 : methods specific to polyethylene and polypropylene compounds. section two : elongation at break after pre - conditioning - wrapping test after pre - conditioning - wrapping test after thermal ageing in air measurement of mass increase - long - term stability test appendix a. test method for copper catalysed oxidative degradation appendix b

    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2節:預處理后斷裂伸長率試驗-預處理后卷繞試驗-空氣熱老化后的卷繞試驗-測定質量的增加附錄a :長期熱穩定性試驗附錄b :銅催化氧化降解試驗方法
  13. Insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 2 : methods specific to polyethylene and polypropylene compounds - tensile strength and elongation at break after conditioning at elevated temperature - wrapping test after conditioning at elevated temperature - wrapping test after thermal ageing in air - measurement of mass increase - long - term stability test - test method for copper - catalyzed oxidative degradation

    電纜和光纜的絕緣和護套材料.通用試驗方法.第4 - 2部分:聚乙烯和聚丙烯化合物專用方法.高溫處理后抗拉強度和斷裂伸長度.高溫處理后的卷繞試驗.在空氣中熱老化后的卷繞試驗.質量增加的測量.長期穩定性試驗.催化銅氧化降解的試驗方法
  14. 2 jn vitro degradation study. mass loss, intrinsic viscosity, volume, acidity and compressive strength changes during storage at 37c in saline forl - 8 weeks was determined for the two groups of scaffolds

    將不同空隙率材料置入生理鹽水中，在37孵浴1 - 8周，比較各組ph值、質量、固有粘滯系數、體積及抗壓強度的變化。
  15. What is suitable in the research of slope works is the unloading rock - mass mechanics. since the unloading rock - mass mechanics has taken into consideration the dynamic anisotropy, accelerated degradation of the rock

    巖體柔度矩陣可由巖塊柔度矩陣和裂隙柔度矩陣組成，通過算例分析表明，裂隙的存在可使巖體的彈性常數大幅度的降低。
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