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- Later on, it was found that many kinds of water-soluble polymer had the ability of disproportionate permeability reduction (abbr. DPR), meanwhile, it was also discovered that some metallic ion crosslinked polymer could get better DPR. 隨著(zhù)研究的深入，人們發(fā)現許多水溶性高分子溶液具有這種不等比例降低油水相滲透率（DPR，Disproportionate Permeability Reduction）的功能，同時(shí)，人們還發(fā)現，利用一些金屬離子交聯(lián)高分子溶液，可以獲得更好的DPR效果。
- One of the mechanisms for disproportionate permeability reduction (DPR) is that a new flow path will be produced with the residual oil when oil flows through oil_bearing porous medium treated by the gel. 凝膠處理使油 /水相滲透率產(chǎn)生不均衡減少是由于油在通過(guò)凝膠時(shí)部分殘余油占據的孔隙形成了新的流動(dòng)通道 ;
- Buchsteiner, H. Stress-induced permeability reduction in fissured reservoirs. SPE 26513, 1994 張琰，崔迎春．砂礫性低滲透氣層壓力敏感性的實(shí)驗研究．石油鉆采工藝，1999，21(6).
- Keywords Ultra-high molecular weight, Acrylamide polymerization, Difunctional peroxide initiator, Polymer Flooding,,,,mechanism, Permeability reduction prediction.; 超高分子量;丙烯酰胺聚合;引發(fā)劑合成;聚合物驅油機理;滲透率下降系數;
- The reduction of unemployment should be paramount. 降低失業(yè)率應是頭等大事。
- The forthcoming talk hold out the hope of real arms reduction. 即將舉行的會(huì )談給實(shí)現真正的裁軍帶來(lái)了希望。
- Queue forme at the ticket office when the news of the fare reduction get out. 票價(jià)下調的消息一傳出，售票處前就排起了隊。
- The first is the channel theory of permeability. 第一個(gè)是透過(guò)度的通道理論。
- A reduction in pace, force, or intensity; a slowdown. 減慢，放松速度、力量或強度減弱; 放慢
- What reduction will you make on this article? 這個(gè)東西你要減價(jià)多少?
- Cancel water vapour permeability coefficient. 取消了水蒸氣滲透系數。
- Air resistance See Air permeability. 空氣阻力參閱透氣度。
- There is no room for any reduction in price. 價(jià)格毫無(wú)再減的余地了。
- The talks resulted in reducing the number of missiles/missile reduction. 談判結果削減了導彈數量。
- Rocks have better water permeability than sand. 巖石的透水性不如沙土。
- Negotiating a reduction in nuclear arms is a long and arduous undertaking. 有關(guān)削減核武器的談判是一項漫長(cháng)而艱苦的工作
- Reduction in the purchasing value of money. 貶值錢(qián)的購買(mǎi)價(jià)值的降低
- A reduction in value, amount, or degree. 減低價(jià)值、程度或數量的減少
- A reduction of the entered value of an asset. 降低，劃減資產(chǎn)帳面價(jià)值的降低
- We can not do more than a 2% reduction. 我們只能降價(jià)百分之二，不能再多了。
