<nav id="ssss8"></nav><nav id="ssss8"><code id="ssss8"></code></nav>
  • 
    
  • <tr id="ssss8"></tr>
  • <nav id="ssss8"></nav>
    <nav id="ssss8"></nav>
    <tr id="ssss8"></tr><sup id="ssss8"></sup>
  • <tr id="ssss8"></tr>
  • <noscript id="ssss8"><optgroup id="ssss8"></optgroup></noscript>
    <noscript id="ssss8"><dd id="ssss8"></dd></noscript>
    亚洲欧美日本国产一区二区三区,国产在线欧美日韩一区二区,亚洲中文字幕av每天更新,国产成人精品无码专区,99久久久国产精品免费无卡顿,无码超乳爆乳中文字幕,亲近乱子伦免费视频无码,91国内视频在线观看
    24小時服務熱線13938208032
    當前位置:首頁 > 新聞展示 > 行業(yè)知識 > 正文
    河南祥之源水處理材料有限公司
    電話:0371-63231636 、13607658536
    手機:13938208032、13523008230
    聯(lián)系人:魏廠長
    郵箱:1026613642@qq.com
    廠址:河南省鄭州市中原西路 
    聚丙烯酰胺在水土流失的防護中怎么使用?
    聚丙烯酰胺在水土流失的防護中怎么使用?
    發(fā)布時間:2021-10-10 瀏覽
    聚丙烯酰胺在水土流失的防護中怎么使用?

           以前提到水土流失,大家想到的方法一定是用種植植物來防止水土的流失,這確實起到了一定的作用,隨著工業(yè)的快速發(fā)展,用種植的方法已經(jīng)跟不上了,那么現(xiàn)在有什么好的方法可以預防水土流失呢?那就是聚丙烯酰胺!一提到聚丙烯酰胺大家想到的肯定與污水有關,心里肯定疑問它怎么和水土流失有關?今天廠家來揭秘其中的秘密
          聚丙烯酰胺防治田間水土流失機理
          聚丙烯酰胺是一種高分子聚合物,它具有平面網(wǎng)格和立體網(wǎng)格結構,并極易溶于水.通過大量試驗得出:當其溶解于水,并與土壤顆粒發(fā)生作用時,能夠改善土壤結構,增強土壤水穩(wěn)性,提高土壤抗水蝕能力.通過試驗,還優(yōu)選出了適宜劑型及經(jīng)濟用量。
          聚丙烯酰胺增大了土壤的沉降系數(shù)
          將聚丙烯酰胺溶解于水,配成不同濃度的水溶液,并均勻噴施于土壤表面,使其與土壤顆粒充分結合,同時,對照土樣均勻噴施等體積的清水.經(jīng)取土樣試驗檢測,聚丙烯酰胺處理后的遼西砂壤土沉降系數(shù)由原來的158%增大到172%,比對照土樣相對增加了9%;遼北中壤土由144%增大到161%,輕壤土也相對增加了8%.這些變化表明,聚丙烯酰胺能夠增大土壤的沉降系數(shù),有利于提高土壤的抗水蝕能力。
          聚丙烯酰胺能夠改善土壤結構
          對施用聚丙烯酰胺的土樣品與對照土樣進行了檢測,結果施用聚丙烯酰胺的土壤的分散系數(shù)減少了7.1%~28.6%,結構系數(shù)增大了3.2%~7.7%,說明聚丙烯酰胺增強了土壤的結構性能,提高了土壤的整體性.
          聚丙烯酰胺改善了土壤的滲透性
          觀測結果表明,處理區(qū)土壤滲透系數(shù)比對照區(qū)增加了32%.滲透系數(shù)增大,有利于雨水入滲到土壤底層蓄積起來,地表不產(chǎn)生徑流或徑流量減小,從而減少地表徑流沖刷,起到保水、保土的作用.同時,還可改善土壤的通氣條件,為作物增產(chǎn)打下基礎。

          隨著社會的發(fā)展,科學技術不斷進步,人類在不斷地改造自然和征服自然,也在不斷地破壞環(huán)境,再生一系列環(huán)境問題.人類為了擴大生存空間,在不斷地開展城鎮(zhèn)建設,開發(fā)新區(qū),開礦建廠;為了發(fā)展旅游,砍樹平山,修建亭廊閣軒等,常造成城鎮(zhèn)排水工程淤堵,破壞市區(qū)環(huán)境,加劇水土流失程度及護坡工程建設難度,這些屬于城市發(fā)展中的水土流失問題.為了發(fā)展山區(qū)經(jīng)濟,開辟畜牧、養(yǎng)殖業(yè),但由于牲畜散放、蠶農(nóng)管理技術粗放,造成林地人踩、牲畜踐踏,林下無草;蠶場養(yǎng)殖失衡,造成次生沙化等,產(chǎn)生農(nóng)村新的水土流失的問題.上述這些以及其它方面水土流失的治理問題,促進了聚丙烯酰胺在防治水土流失領域試驗研究工作的進一步深入和廣泛推廣,聚丙烯酰胺在防治水土流失領域的開發(fā)和應用,具有深遠的歷史意義和重大的現(xiàn)實意義,其應用潛力很大。

    聚丙烯酰胺圖片

    英文版:How to use polyacrylamide in soil erosion protection?



    Before mentioned soil erosion, we think of the method must be used to plant plants to prevent soil erosion, which does play a certain role, with the rapid development of industry, with the method of planting has been unable to keep up, so now what good method can prevent soil erosion? That's polyacrylamide! When it comes to polyacrylamide, what you think of is definitely related to sewage, and how is it related to soil erosion? Today, manufacturers reveal the secrets

    Mechanism of polyacrylamide on soil erosion control in field

    Polyacrylamide is a kind of polymer, which has planar and three-dimensional grid structure and is easily soluble in water. Through a large number of experiments, it is concluded that when it is dissolved in water and interacts with soil particles, it can improve soil structure, enhance soil water stability and enhance soil water erosion resistance. The suitable dosage form and economic dosage were optimized through the experiment.

    Polyacrylamide increases the settlement coefficient of soil

    Polyacrylamide dissolved in water, mixed into different concentrations of water solutions, and evenly sprayed on the surface of the soil, so that it fully combined with soil particles, at the same time, control soil samples evenly sprayed with equal volume of water. The soil sample test showed that the settlement coefficient of the west Liaoning sand loam after polyacrylamide treatment increased from 158% to 172%, 9% higher than that of the control soil sample. The medium loam increased from 144% to 161%, and the light loam increased by 8%. These changes indicate that polyacrylamide can increase the settlement coefficient of soil and improve the ability of soil to resist water erosion.

    Polyacrylamide improves soil structure

    The soil samples treated with polyacrylamide and the control soil samples were tested. The results showed that the dispersion coefficient of the soil treated with polyacrylamide decreased by 7.1% ~ 28.6%, and the structure coefficient increased by 3.2% ~ 7.7%, indicating that polyacrylamide enhanced the soil structural properties and improved the soil integrity.

    Polyacrylamide improves the permeability of the soil

    The observation results show that the soil permeability coefficient in the treated area is 32% higher than that in the control area. The increase of the permeability coefficient is beneficial for rainwater to infiltrate into the soil bottom and accumulate, and there is no runoff or decrease of runoff on the surface, so as to reduce the surface runoff erosion and play the role of water conservation and soil conservation. At the same time, it can also improve soil aeration conditions, and lay a foundation for crop yield increase.

    With the development of society and the continuous progress of science and technology, human beings are constantly transforming and conquering nature, but also constantly destroying the environment and regenerating a series of environmental problems. In order to expand the living space, human beings are constantly developing urban construction, developing new areas, mining and building factories; In order to develop tourism, cut down trees and flat mountains, build pavilions, corridors, pavilions, etc., often cause urban drainage engineering blockage, damage to the urban environment, aggravate the degree of soil erosion and slope protection engineering construction difficulty, these belong to the problems of soil erosion in urban development. In order to develop the economy in mountainous areas, animal husbandry and breeding were opened up, but because of the loose release of livestock and the extensive management technology of sericulture, the forest was trampled by people and livestock, and there was no grass under the forest. Silkworm farm breeding imbalance, resulting in secondary desertification and so on, resulting in new soil erosion problems in rural areas. These and other problems of soil erosion, promote the polyacrylamide in the field of prevention and control of soil erosion experiment research further in-depth and extensive promotion of polyacrylamide in the prevention and control of soil and water loss in the field of development and application, is of great historical significance and great realistic significance and has a great potential for its application.

    聯(lián)系我們

    河南祥之源水處理材料有限公司

    公司電話:0371-63231636

    手機:13938208032、13523008230、13607658536

    聯(lián)系人:魏廠長

    公司地址:河南省鄭州市中原西路

    二維碼
    版權所有:河南祥之源水處理材料有限公司    網(wǎng)站地圖:XML/HTML
    主站蜘蛛池模板: 日韩人妻无码精品久久| 国产AV大陆精品一区二区三区| 国产精品一区二区AV不卡| 国产欧美另类久久精品蜜芽| 亚洲黄色性生活一级片| 国产A V无码专区亚洲AV | 国产欧美精品一区二区色综合| 激情另类卡通亚洲欧美| 视频一区二区国产盗摄| 久久丫精品国产亚洲AV| 成人福利免费在线观看| 91亚洲高清在线观看你懂的| 97视频国产中文字幕| 欧美人与动牲交A免费观看| 亚洲日韩Av中文字幕无码 | 国产精品福利自产拍在线观看| 无码一区二区三区在| 国产精品无码久久av不卡| 爱情岛亚洲AV永久入口首页| 国产精品亚洲精品日韩动图| 国产日韩欧美在线一区二区三区| 亚洲精品在看在线观看高清91| 欧美老熟妇乱子伦牲交视频| 亚洲一区二区三区在线观看精品中文| 人妻综合专区第一页| 免费国产成人高清在线视频| 国产福利在线永久视频青草| 2020国产成人精品视频| 另类国产ts人妖合集| 日本一区二区精品视频| 免费午夜无码片在线观看影院| 国产精品国产午夜免费看福利 | 麻豆av永久地址久久精品| 国产精品亚洲产品一区二区三区| 99久热只有精品视频最新| 91亚洲人成手机在线观看| 亚洲天堂色图在线视频| 亚洲女人色综合小说| 大陆一级毛片免费播放| 成人亚洲一区无码久久| 欧美曰批视频免费播放免费|