膨脹作用 的英文怎麼說
中文拼音 [péngzhàngzuòyòng]
膨脹作用
英文
dilatation-
Treating the anharmonic terms of potential energy as perturbations, and employing the formulas for atomic displacements and hamiltonian in phonon occupation number representation, the formulas for thermal expansion coefficients of crystal nano - wires are derived and the numerical calculations are carried out in this paper
摘要將原子間相互作用勢的非諧項作為微擾，運用聲子數表象中的晶格原子振動位移和晶格振動哈密頓公式，推導了納米晶體線的熱膨脹系數公式，並進行了數值計算。The gas pressure eventually overcomes the force of solar gravity and the corona inevitably expands into space as the solar wind.
這里的氣體壓強最終會超過太陽的引力作用，使日冕終于只好以太陽風的形式向空間膨脹。Time dilation works both ways.
時間膨脹在兩方面都起作用。The water, which is the source of life, has a close relation with the growing of the human beings and the development of the city. the shore of river, ocean and lake is the cradle of humankind civilization. there is the original city in drainage areas of some rivers. the waterfront which has internal permanent attraction for humankind is the most sensitive area in urban environment and culture. however, at present days of the industrial civilization, with accelerating of urbanization and fastly enlarging of city size, some problems, such as the pollution of the environment, the lack of resource, the expanding of population, the traffic confusion, the unbalance of culture and the ecosphere crisis, have arised. these problems have badly influnced the development of urban waterfront. the whole world has know the importance of ecosphere crisis and the protection of environment but, how to treat the urban waterfront which is the typical environment of human living ? this article try to study the protection and utilization of resource, the development of economy and culture and the shaping of space landscape about the urban waterfront with the aspect of sustainablity development
但是在工業文明日益發達的今天，隨著城市化進程的加快和城市規模的飛速擴大所帶來的環境污染、資源衰竭、人口膨脹、交通混亂、文化失衡和生態危機等問題，嚴重地影響了城市濱水區的發展。生態危機和環境保護已經引起了全球的重視，而城市濱水區作為人類聚居的一個典型環境，該何去何從呢?本文試圖以生態學理論為基礎，用可持續發展的觀點從生態持續、經濟持續和社會文化持續等幾個方面對城市濱水區的資源保護和利用、經濟、文化的發展和空間景觀的塑造進行研究。Correct treatment of plate thermal epeirogeny shows the previous wholly-vertical contraction/expansion requirement to be erroneous.
對板塊熱力造陸作用的正確分析表明，先前那種認為收縮膨脹作用完全是垂直方向上進行的看法是錯誤的。The catalytic mechanism of expansible graphite in esterification and the causes behind the lower esterification were discussed
推斷了可膨脹石墨在乙酸乙酯合成中的催化作用機理，分析了可膨脹石墨催化乙酸乙酯合成產率偏低的原因。The expansion agents can only make up the shrinkage to some extent, and the compensation effects would be reduced when the retardener and fly - ash are used. the expansion agents are not panaceas to avoid the shrinkage cracking as expansion can also reduce the concrete soundness. under bad curing condition, the polypropylene fibrillated film fiber can improve concrete ' s anti - crarking property, while the nominal steels have very unobvious effects. to reduce the concrete shrinkage thus avoid the cracking, the former factors must all be taken into account in concrete proportion design to develop sound concrete
研究結果表明，水泥的品種和用量是影響混凝土收縮值的主要因素之一，當混凝土中水泥用量超過470kg / m ~ 3時，混凝土的收縮值超過400 10 ~ （ - 6 ） ，在約束狀態下存在高開裂風險；採用細砂使混凝土單位用水量顯著提高，收縮值也大幅增加；優質粉煤灰總體上能抑制混凝土的收縮，以超量方式摻入其抑制作用更加明顯，但粉煤灰混凝土早期的粘聚性較差，應注意養護，以免失水產生龜裂；早強減水劑和緩凝減水劑都會使混凝土收縮值增加；膨脹劑只能補償混凝土部分收縮，同時受緩凝劑和粉煤灰的抑制，而且膨脹使混凝土的體積安定性增加了不確定因素，膨脹劑不是解決混凝土收縮裂縫的良方。As the result, we found natural scale graphite. expanded graphite by self - made, expanded graphite all had a certain flam - retardant effect and the composite inclusive of expanded graphite had the best flam - retardant effect
論文同時還據于石墨阻燃的特性，測試了復合材料的燃燒性能，結果表明，天然鱗片石墨、膨脹石墨、膨化石墨都具有一定的阻燃作用，以膨化石墨的阻燃效果最佳。In several altered granites and gnoisses nascimento monitored swelling began almost immediately after the water was added.
在Nascimento觀察的幾塊蝕變的花崗巖和片麻巖中膨脹作用是在加水之後幾乎是立即就發生。When the sun rises, the guard cells inflate and bulge to open the stomata, and photosynthesis begins.
當太陽升起時，這些保衛細胞充氣並膨脹，打開了氣孔，即開始了光合作用。Following is the factors ideating with the surface of old concrete in different way ( including brushing surface, chiseling surface, cleaving surface ), adherence agent ( including cement slurry, cement sand slurry, cement slurry with the u expansion agent ), the freeze - thaw circulation times and air - entraining. as a result, we found that the roughness influence on the adhesion capability of the new on old concrete to a large degree. the larger rougeness is, the larger the splitting tensile strength on the adhension face is. the kind of adhesion agent is also influence on the adherence capability of new on old concrete. the circulation times of freez - thaw have a large influence on the splitting tensile strength of adherence face of new on old concrete. the analysis of tests give some advices to the practical engineering
主要考察了老混凝土表面不同處理方式（刷毛面，鑿毛面，劈裂面） 、界面粘結劑類型（水泥凈漿，水泥砂漿， u型膨脹劑水泥漿） 、凍融循環次數等對新老混凝土粘結面劈拉強度的影響，以及凍融作用下新混凝土加氣對粘結面劈拉強度的影響。試驗結果表明，粗糙度對新老混凝土粘結性能有重要影響，隨著粘結面粗糙度的增大，粘結面劈拉強度不斷增加；界面粘結劑類型對新老混凝土粘結性能有一定影響，在凍融作用下， u型膨脹劑水泥漿粘結效果不如水泥凈漿和水泥砂漿；凍融循環對粘結面劈拉強度有較大影響，加氣能明顯改善新老混凝土粘結面的抗凍能力。The monetary authorities are seen here as playing a lagging rather than a leading role in the inflationary process.
在通貨膨脹的過程中，金融當局起了一種延退作用而不是主要作用。The top of bucket is sealed with rubber membrane, and the rubber membrane inflated at a pressure.
水桶頂端用橡皮膜密封，橡皮膜在壓力作用下膨脹。The results of experiment on the relationship between tensile strength, shrinkage, self - desiccation shrinkage and flat restraint cracking show that sra ' s physical shrinkage - reducing effect and ea ' s chemical expansion effect greatly enhance the volume stability of concrete and reduce the probability of early - cracking
對減縮劑與膨脹劑抗拉強度、干縮、自乾燥收縮及平板約束開裂的試驗結果表明： sra的物理減縮作用及膨脹劑的化學膨脹作用，大大提高了混凝土早期的體積穩定性，降低了早期開裂的概率。In several altered granites and gnoisses nascimento monitored swelling began almost immediately after the water was added
在nascimento觀察的幾塊蝕變的花崗巖和片麻巖中膨脹作用是在加水之後幾乎是立即就發生。Through analyzing the effect of temperature and nitrogen on crude oil viscosity the influences of different nitrogen injection volume and injection modes on steam displacement are contrasted, the mechanism of nitrogen - assisted steam stimulation is clarified, which includes : heat carrying capacity is raised, the saturation of remaining oil is reduced after nitrogen - assisted injection is made ; crude oil flow is enhanced because of nitrogen compression and dispersion and the change of oil flow shape ; water back - production rate is improved by expanding the steam sweep volume and compensating in - situ energy ; steam distillation effect is enhanced
通過分析溫度、氮氣對原油粘度的影響，對比不同注氮量、不同注入方式等對蒸汽驅油效果的影響，弄清了氮氣輔助蒸汽增產的機理主要表現在：氮氣輔助后增加攜熱能力，降低殘余油飽和度，氮氣的壓縮膨脹作用分散和改變了原油流動形態，增強了原油流動性；擴大蒸汽的波及體積，補充地層能量，提高回採水率，強化蒸汽蒸餾效應。In chapter 2, we consider the existence of expansive zd actions on continua
第二章，考慮連續統上z ~ d膨脹作用的存在性問題。At present, an anti - crack method is that expansive agent is mixed into concrete. the proper amount of the expansive agent mixed into concrete can ’ t only lessen the shrinkage of concrete but also improve the dense of concrete, the anti - infiltrate of concrete swell too
適量膨脹劑的摻入，不但可以明顯的減少混凝土的收縮，而且由於混凝土自身的膨脹作用，處于限制狀態下的混凝土密實性得以提高，其抗滲性能也得到顯著改善。It shows that fly ash added may restrain expansion of wecam and improved its soundness. 6. as for wecam, its soundness should be tested appropriately with concrete specimens autoclaved at 200 for 6h, its limit expansion should be determined from 0. 1 % to 0. 2 %
5 .在其它條件不變的情況下，外摻氧化鎂混凝土的壓蒸膨脹率隨著粉煤灰摻量的增加而減小，表明粉煤灰的加入具有抑制外摻氧化鎂混凝土的膨脹作用，提高了混凝土的安定性。Effect of steel pit on the mechanical property was discussed in succession. numerical results show that exponential relation exists between the yield strength and depth of corrosion pit. the work in this part is the theoretical foundation on the study in modeling of constitutive behavior of the corroded concrete and rusty rebar
基於微觀腐蝕機理分析了硫酸鹽介質對混凝土的膨脹性腐蝕作用，從理論上研究了由於膨脹作用引起混凝土內部產生的膨脹應力；討論了鋼筋表面銹蝕坑對鋼筋力學性能的影響，建立了鋼筋屈服強度與蝕坑深度之間的關系；為受腐蝕混凝土和銹蝕鋼筋本構關系的建立提供了一定的理論基礎。分享友人