收縮膨脹 的英文怎麼說

中文拼音 [shōusuōpéngzhàng]
收縮膨脹 英文
convergent-divergent
  • : Ⅰ動詞1 (把攤開的或分散的事物聚集、合攏) put away; take in 2 (收取) collect 3 (收割) harvest...
  • : 縮構詞成分。
  • : 動詞(物體的長度或體積增加) expand; swell
  • : 動詞1. (膨脹) expand; dilate; inflate 2. (脹大) swell; distend; bloat
  • 收縮 : 1 (由大變小; 由長變短) contract; shrink 2 (緊縮) concentrate one s forces; draw back 3 take u...
  • 膨脹 : expand; swell; dilate; inflate; puff; bulge; inflation; expansion; dilatation; buckling; swelling...
  1. "my means of ascension and descension consist only in dilating or compressing the gas inclosed in the balloon. "

    「我使氣球升降的方法,是使氣球里的氣體
  2. The calculation modes of the coefficient of shrinkage and creep of the bulgy core concrete in steel tube are discussed. based on a few reasonable hypotheses and the stress - strain relation of concrete acquired by the " adjusting valid modulus depending on load time " method, a compact formula is reasoned out, which is applied to calculate the equivalent elastic modulus of the bulgy core concrete considering the affection of shrinkage and creep. so, the analysis of the affection on cfst arch bridge by shrinkage and creep can be progressed by pole - girder fem, further more, the analysis precision is quite high

    本文還對核心混凝土特殊的、徐變系數計算模式展開了探討,在合理的假設前提下,採用「齡期調整的有效模量法」得到的混凝土的本構關系,推導出鋼管內核心混凝土在考慮徐變影響后的等效彈性模量計算公式,並以此為基礎採用桿系有限元方法來對鋼管混凝土拱橋進行較高精度的徐變分析。
  3. The cyclo - hoop effect which steel tubular has exert to the concrete shows the character of heterogeneous in the arch rib section, the same to the axial direction. the paper verifies the change of the material poisson ration and the concrete grade will make the cyclo - hoop effect obvious alteration, the change of the cyclo - hoop effect and the stress redistribution of the section produced by the shrinking and creeping of the concrete and the expensive concrete on the section

    在鋼管混凝土拱肋斷面上,鋼管對內填混凝土的環箍效應具有非均勻性,在拱軸方向上環箍效應也呈現非均勻性。驗證了材料的橫向變形系數、混凝土標號等參數的變化將引起環箍效應的明顯改變;混凝土的、徐變和混凝土的應用導致鋼管混凝土的環箍效應發生變化並使截面的應力發生重分佈;並總結了其變化的基本規律。
  4. 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。
  5. 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,值也大幅增加;優質粉煤灰總體上能抑制混凝土的,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值增加;劑只能補償混凝土部分,同時受緩凝劑和粉煤灰的抑制,而且使混凝土的體積安定性增加了不確定因素,劑不是解決混凝土裂縫的良方。
  6. As the ideas about expansion or contraction of the earth are still controversial, their influence on the heat balance of the earth is also highly hypothetical.

    由於地球的概念還有爭論,它們對地球熱平衡的影響也只能是高度假說性的。
  7. Certain selected tightening measures have been implemented, including moves by pboc to raise reserve requirements and rediscount rates ( see box below ), and administrative directives to impose strict land controls and to rein in credit expansion by curbing lending to overheating sectors

    部分已實施的緊措施包括:人民銀行調高存款準備金率(見下表) 、透過行政指令嚴格控制土地資源,以及緊對過熱行業的貸款,以控制信貸等。
  8. The swelling or shrinkage with changes in moisture content is known as movement.

    木材隨含水量變化發生,這種現象稱為
  9. 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

    對減劑與劑抗拉強度、干、自乾燥及平板約束開裂的試驗結果表明: sra的物理減作用及劑的化學作用,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。
  10. Not all parts of the star exhibit continued shrinkage; sometimes the stellar core will continue to shrink while the envelope expands, and vice versa.

    並非星體每個部分都,有時星核不斷而殼層卻在,或者相反。
  11. Incorporating with mineral admixtures could control the tendency of evening shrinkage of hpc, but the effect is not much remarkable. and the expansive agent uea could compensate shrinkage, but different curing conditions have significant effects on the volume stabilization of hpc. it is necessary to enhance the water curing at the young age and try the best to prolong the curing time

    本文對高性能混凝土體積穩定性的特點及其補償措施進行了系統的研究,主要包括:指出了水膠比對高性能混凝土體積穩定性的影響;分析了摻礦物外加劑高性能混凝土體積穩定性的特點;研究了聯合摻加礦物外加劑和劑對高性能混凝土的補償效果;探索了用型中熱水泥來配製高性能混凝土對的改善。
  12. Guoqiang natural wood oil is natural oil / wax based and micro - porous, ( allowing the wood to breathe ). it will not crack, flake, peel or blister

    國強木蠟油是以天然植物油和蠟為基料,塗刷后保持木材表面細微毛孔敞開,使木材可以呼吸透氣。同時減少了木材,不龜裂,不剝落,不起翹。
  13. After bfs is put into high strength superplasticized expansive concrete ( substituted for cement ), autogenous shrinkage does n ' t appear in 1 day standard curing, and e2 in 14 day ' s age is higher than that of high strength superplasticized expansive concrete without bfs in the same age

    高強流態混凝土摻入磨細礦渣(等量替代水泥)后,標準養護1天未出現自, 14天的限制率明顯高於未摻磨細礦渣的高強流態混凝土的對應值。
  14. In the volume change study, we found appropriate temperature is helpful for shrinkage control, and different lpas have different shrinkage control effects due to their dipole moment, tg, miscibility with upr and morphology after blending. there existed an optimal concentration range of poly ( vinyl acetate ) based lpas for shrinkage control. lpa was effective for shrinkage compensation in this range, on the other hand, lpa only acted as filler and the low profile effect vanished out of this range, however, for polystyrene based lpa, the more concentration the better shrinkage control

    研究中,發現適當的溫度條件更有利於upr達到好的控制效果;不同類型的lpa隨著偶極矩、玻璃化溫度、與upr的相容性、與upr的混合形態的不同,表現出不同的控制效果;聚醋酸乙烯酯類的lpa - a存在一個最佳控制的濃度范圍,在這個范圍之內, lpa起到補償的作用;而在這個范圍之外, lpa的作用僅相當于填料,不能起到控制。
  15. Normal expansion and contraction of metal parts during periods of heat - up and cool - down

    在加熱或冷卻期間,金屬配件的正常
  16. There is an old saying in our field - " no dam is not crackable ". the crack is mainly because of the bad dilation after " alkali - aggregate reaction ", the temperature traverse inside and outside the concrete with the happening of heat evolution and the shrink of volume due to the cooling of concrete

    水電行業有句「無壩不裂」的俗話,產生裂縫的原因主要有「堿集料反應」造成的破壞性,水泥水化過程中放出的熱量出現的混凝土內外溫度梯度和水泥石硬化後由於後期降溫發生的體積等造成。
  17. It has a good compensation to shrinkage, and can improve the anti - cracking and anti - penetrating performance of concrete. it is often added to concrete to produce expanding concrete or the anti - cracking and anti - penetrating concrete, which are widely used in such engineering as waterproofing, anti - penetrating, mending etc. the expansion admixture include at present sulphoaluminate such as uea, ea - l etc ), calcium oxide, and some composite expansion admixtures

    混凝土劑在普通混凝土中可抵消干或溫度降低引起的拉應力,起到良好的補償作用,能提高混凝土的抗裂防滲能力,常用於配製混凝土或抗裂防滲混凝土,廣泛地應用於防水、抗滲、修補等工程中。
  18. Making use of traditional methods of compensating shrinkage, that is, added with appropriate expansion agent, compensating for the shrinkage of super high strength & high performance concrete has been realized

    本研究採用傳統的補償方法,在超高強混凝土中摻入合適的劑后,達到了補償超高強混凝土的目的。
  19. Among them, shrinkage - reducing agent and expansion agent were more effective to respectively reduce and compensate early age shrinkage of the concrete, on the contrary, polypropylene fiber was the most effective to restrain medium and long - term shrinkage of the concrete

    其中,減劑和劑的減與補償的效果主要表現在早期,而聚丙烯纖維的中長期限制效果最好。然後進行空心砌塊的改性試驗研究。
  20. The main research contents are as follows : 1. this thesis observes the shrink and creep curve of plain concrete and concrete filled steel tubes

    主要研究內容如下: 1 、觀測得到素混凝土及鋼管混凝土的)徐變曲線。
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