合作客戶/
拜耳公司 |
同濟(jì)大學(xué) |
聯(lián)合大學(xué) |
美國(guó)保潔 |
美國(guó)強(qiáng)生 |
瑞士羅氏 |
相關(guān)新聞Info
-
> 血腦屏障概述
> 拉脫法測(cè)量:不同性能磁性液體的磁表面張力變化規(guī)律與影響因素(二)
> 不同兩性聚合物界面張力、溶解性能及抗鹽性檢測(cè)結(jié)果
> 巖液作用后海陸過(guò)渡相頁(yè)巖表面張力變化研究
> 生物表面活性劑產(chǎn)生菌的篩選及對(duì)PAHs污染環(huán)境的修復(fù)效果研究(三)
> 觸感點(diǎn)陣文字盲人印刷時(shí),如何控制UV油墨表面張力流平時(shí)間
> 槐糖脂的屬性:脂肪酸底物和混合比例的影響——結(jié)果與討論
> 不同溫度壓力下CO2和混合烷烴的界面張力測(cè)定(二)
> 無(wú)機(jī)粒子對(duì)TPAE界面張力、發(fā)泡、抗收縮行為的影響(三)
> LB膜分析儀應(yīng)用:不同初始表面壓力條件對(duì)VhPLD的磷脂吸附親和力影響(一)
推薦新聞Info
-
> 振蕩頻率、濃度、油相、界面張力對(duì)陰離子表面活性劑HABS和PS界面模量的影響(三)
> 振蕩頻率、濃度、油相、界面張力對(duì)陰離子表面活性劑HABS和PS界面模量的影響(二)
> 振蕩頻率、濃度、油相、界面張力對(duì)陰離子表面活性劑HABS和PS界面模量的影響(一)
> 3種助劑對(duì)螺蟲乙酯和聯(lián)苯菊酯藥液表面張力、金釵石斛菲盾蚧防治效果的影響(三)
> 3種助劑對(duì)螺蟲乙酯和聯(lián)苯菊酯藥液表面張力、金釵石斛菲盾蚧防治效果的影響(二)
> 3種助劑對(duì)螺蟲乙酯和聯(lián)苯菊酯藥液表面張力、金釵石斛菲盾蚧防治效果的影響(一)
> 利用LB膜分析儀技術(shù)制備納米環(huán)組裝陣列,得到一種具有結(jié)構(gòu)色的材料
> 覆蓋有疏水網(wǎng)的開放管道液體輸運(yùn)穩(wěn)定性研究(下)
> 覆蓋有疏水網(wǎng)的開放管道液體輸運(yùn)穩(wěn)定性研究(上)
> 水、常溫液態(tài)金屬等9種流體對(duì)液滴碰撞壁面影響的數(shù)值研究(三)
表面活性劑是否對(duì)斥水性土壤的潤(rùn)濕性有影響?——結(jié)論、致謝!
來(lái)源:上海謂載 瀏覽 1704 次 發(fā)布時(shí)間:2021-11-09
結(jié)論
不像人工創(chuàng)造的穩(wěn)定的驅(qū)蟲表面或多孔 介質(zhì),拒水土壤表現(xiàn)出潤(rùn)濕動(dòng)力學(xué),由此 最初疏水的土壤隨著時(shí)間的推移變得親水 與水接觸時(shí)。 初始潤(rùn)濕動(dòng)力學(xué) 排斥土壤通常歸因于 固液界面能 (γSL),或液汽界面能 (γLV) 的降低,或兩者兼而有之。 γLV 的減少 建議是由于土壤表面溶解 活性有機(jī)化合物進(jìn)入與水接觸的水中 土壤。 在這項(xiàng)研究中,我們測(cè)試了土傳表面的影響 潤(rùn)濕動(dòng)力學(xué)的活性物質(zhì),并發(fā)現(xiàn),與廣為接受的范式相反,土壤釋放表面 活性化合物不會(huì)加速潤(rùn)濕過(guò)程。 因此很明顯,固體界面能的變化 表面(γSL 或 γSV),而不是液汽 表面 (γLV) 必須在驅(qū)動(dòng)不穩(wěn)定排斥性土壤的潤(rùn)濕動(dòng)力學(xué)方面起主導(dǎo)作用。
致謝
本研究由以色列農(nóng)業(yè)部資助 和農(nóng)村發(fā)展,資助號(hào) 821-0088-04。
參考
Barrett, G. & Slaymaker, O. 1989. Identification, characterization, and hydrological implications of water repellency in mountain soils, southern British-Columbia. Catena, 16, 477–489.
Bisdom, E.B.A., Dekker, L.W. & Schoute, J.F.T. 1993. Water repellency of sieve fractions from sandy soils and relationships with organic material and soil structure. Geoderma, 56, 105–118.
Chen, Y. & Schnitzer, M. 1978. Surface-tension of aqueous-solutions of soil humic substances. Soil Science, 125, 7–15.
Dekker, L.W., Oostindie, K. & Ritsema, C.J. 2005. Exponential increase of publications related to soil water repellency. Australian Journal of Soil Research, 43, 403–441.
Dinar, E., Taraniuk, I., Graber, E.R., Katsman, S., Moise, T., Anttila, T. et al. 2006. Cloud condensation nuclei properties of model and atmospheric HULIS. Atmospheric Chemistry and Physics, 6, 2465–2481.
Doerr, S.H., Shakesby, R.A. & Walsh, R.P.D. 2000. Soil water repellency: its causes, characteristics and hydro-geomorphological significance. Earth-Science Reviews, 51, 33–65.
Doerr, S.H., Dekker, L.W., Ritsema, C.J., Shakesby, R.A. & Bryant, R. 2002. Water repellency of soils: the influence of ambient relative humidity. Soil Science Society of America Journal, 66, 401–405.
Ellerbrock, R.H., Gerke, H.H., Bachmann, J. & Goebel, M.O. 2005. Composition of organic matter fractions for explaining wettability of three forest soils. Soil Science Society of America Journal, 69, 57–66.
Feng, G.L., Letey, J. & Wu, L. 2002. The influence of two surfactants on infiltration into a water-repellent soil. Soil Science Society of America Journal, 66, 361–367.
Gee, G.W. & Bauder, J.W. 1986. Particle-size analysis. In: Methods of Soil Analysis. Part 1. Monograph No 9 (ed. A. Klute), pp. 383–411.
American Society of Agronomy, Madison, WI. Graber, E.R., Ben-Arie, O. & Wallach, R. 2006. Effect of sample disturbance on soil water repellency determination in sandy soils. Geoderma, 136, 11–19.
Hurrass, J. & Schaumann, G.E. 2006. Properties of soil organic matter and aqueous extracts of actually water repellent and wettable soil samples. Geoderma, 132, 222–239.
Letey, J. 1969. Measurement of contact angle, water drop penetration time, and critical surface tension. In: Proceedings of the Symposium on Water Repellent Soils 6–8 May 1968 (eds L.F. DeBano & J.F. Letey), pp. 43–47. University of California, Riverside, CA. Letey, J., Carrillo, M.L.K. & Pang, X.P. 2000. Approaches to characterize the degree of water repellency. Journal of Hydrology, 231–232, 61–65.
Ma'shum, M. & Farmer, V.C. 1985. Origin and assessment of water repellency of a sandy South Australian soil. Australian Journal of Soil Research, 23, 623–626.
Roy, J.L. & McGill, W.B. 2002. Assessing soil water repellency using the molarity of ethanol droplet (MED) test. Soil Science, 167, 83–97.
Tschapek, M. 1984. Criteria for determining the hydrophilicityhydrophobicity of soils. Zeitschrift fu¨r Pflanzenerna¨hrung und Bodenkunde, 147, 137–149.
Walkley, A. & Black, I.A. 1934. An examination of the Degtjareff method for determining soil organic matter and a proposed modifi- cation of the chromic acid titration method. Soil Science, 37, 29–38. Wallach, R. & Graber, E.R. 2007. Effluent irrigation-induced soil water repellency: time dependent variation of infiltration rate and of water repellency at different levels of ambient relative humidity. Hydrological Processes, 21, 2346–2355.
Wallach, R., Ben-Arie, O. & Graber, E.R. 2005. Soil water repellency induced by long-term irrigation with treated sewage effluent. Journal of Environmental Quality, 34, 1910–1920.
Wallis, M.G. & Horne, D.J. 1992. Soil water repellency. Advances in Soil Science, 20, 91–140.
表面活性劑是否對(duì)斥水性土壤的潤(rùn)濕性有影響?——概括、介紹
表面活性劑是否對(duì)斥水性土壤的潤(rùn)濕性有影響?——材料和方法