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class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_nongye/">農(nóng)業(yè)</a>?<a href="http://www.cdcfah.com/cp/second-_ylzc/">園林資材</a>?<a href="http://www.cdcfah.com/cp/third-ylzc_qtylzc/">其他園林資材</a>?曲靖餐廳大棚設(shè)計(jì) 創(chuàng)造輝煌云南姚前達(dá)溫室大棚工程供應(yīng)</p><div id="wvsmtfc" class="leftbox clearfix"><h1>曲靖餐廳大棚設(shè)計(jì) 創(chuàng)造輝煌云南姚前達(dá)溫室大棚工程供應(yīng)</h1><div id="wlixoas" class="proBig"><div id="rld8pre" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/12/20/16/637124547789498157_ynzd169_3624573.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ncujlse" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/12/20/16/637124547789498157_ynzd169_3624573.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="odv8m88" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>云南省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>曲靖餐廳大棚設(shè)計(jì)</p><p><span>***更新：</span>2020-05-25 00:44:37</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="vzgfcoq" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">云南姚前達(dá)溫室大棚工程有限公司</a></p><p><span>聯(lián)系人：</span>姚前達(dá)</p><p><span>郵箱: </span>805320623@qq.com</p><p><span>電話: </span>13629667022</p><p><span>傳真: </span>0871_66011811</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0871-66011811</p><p><span>地址: </span>云南省昆明市呈貢區(qū)殷聯(lián)社區(qū)練尾棚村C3號(hào)大棚</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="yikx3l8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="kyfx7od" class="box"><p><p> 聚乙烯(PE)棚膜質(zhì)地輕(比重約0.96克/立方厘米)，柔軟，易造型，透光性好，無(wú)害，適于做各種棚膜、地膜，是我國(guó)主要的農(nóng)膜品種。其缺點(diǎn)是;耐候性及保溫性差，不易粘接。如果生產(chǎn)大棚薄膜，必須加入耐老化劑、無(wú)滴劑、保溫劑等添加劑，才能適于生產(chǎn)的要求。主要產(chǎn)品有: </p> <p> ①普通PE棚膜(又稱pe吹塑農(nóng)膜)不添加耐老化等助劑直接用原料吹塑生產(chǎn)的白膜，大棚及中小棚應(yīng)用量很大，但只能種植一季作物，浪費(fèi)能源，增加用工，生產(chǎn)上逐漸被淘汰。 </p> <p> ②PE防老化膜(又稱長(zhǎng)壽膜,耐老化膜)系在PE樹(shù)脂中加入耐老化助劑，經(jīng)吹塑成膜。使用期可達(dá)12~18個(gè)月，不僅使用期延長(zhǎng)，成本降低、節(jié)能，而且使產(chǎn)量與產(chǎn)值大幅度增加，它是設(shè)施栽培中重點(diǎn)推廣的農(nóng)膜品種。 </p> <p> ③PE無(wú)滴防老化膜(又稱雙防膜,長(zhǎng)壽流滴膜)同時(shí)具有流滴性、耐候性、透光性和保溫性好，防霧滴效果可保持2-4個(gè)月，耐老化壽命可達(dá)12-18個(gè)月，是性能較全，使用較廣的農(nóng)膜品種 </p> <p> ④PE保溫棚膜這種覆蓋材料能阻止紅外線向大氣中輻射，可提高大棚溫度1-2℃，在寒冷地區(qū)應(yīng)用效果較好。 </p> <p> ⑤PE多功能復(fù)合膜具有無(wú)滴，曲靖餐廳大棚設(shè)計(jì)，曲靖餐廳大棚設(shè)計(jì)，曲靖餐廳大棚設(shè)計(jì)、保溫、耐候、長(zhǎng)壽等多種功能，有的有阻隔紫外線功能，使棚內(nèi)紫外線透過(guò)減少。有的能控制菌核病子囊盤和灰霉菌分孢子的形成。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="曲靖餐廳大棚設(shè)計(jì)" src="http://tyunfile.71360.com/UpLoadFile/2019/12/20/16/637124547789498157_ynzd169_3624573.jpg"></div><p> 鋼結(jié)構(gòu)大棚建造注意事項(xiàng)： </p> <p> 1、選址及環(huán)境 </p> <p> 農(nóng)用鋼結(jié)構(gòu)大棚建設(shè)時(shí)應(yīng)該選擇地勢(shì)平坦、交通便利、水源潔凈充足、土壤肥沃、渠系配套、具有一定面積的連片土地。 </p> <p> 2、安全性 </p> <p> 鋼結(jié)構(gòu)大棚結(jié)構(gòu)及其所有構(gòu)件必須能安全承受包括恒載在內(nèi)的可能的全部荷載組合，任何構(gòu)件危險(xiǎn)斷面的設(shè)計(jì)不得超過(guò)鋼管材料的許用應(yīng)力，鋼結(jié)構(gòu)大棚及其構(gòu)件必須有足夠的剛度以抵抗縱、橫方向撓曲、振動(dòng)和變形。 </p> <p> 3、耐久性 </p> <p> 鋼結(jié)構(gòu)大棚的金屬結(jié)構(gòu)零部件要采取必要的防腐、防銹措施，覆蓋材料要有足夠的使用壽命。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="曲靖餐廳大棚設(shè)計(jì)" src="http://tyunfile.71360.com/UpLoadFile/2019/11/9/11/637088950560447871_ynzd169_9037188.jpg"></div><p> 大棚膜是農(nóng)業(yè)生產(chǎn)重要的生產(chǎn)工具，大棚膜由于比較薄，如果不好好保護(hù)會(huì)破損，大棚膜破損后雖然有補(bǔ)救方法，但也會(huì)對(duì)壽命造成損失。在日常的管理中如何防止破損呢？ </p> <p> 北方天氣風(fēng)力較大，所以對(duì)大棚薄膜來(lái)說(shuō)是不小的挑戰(zhàn)，如果出現(xiàn)破裂會(huì)直接影響到農(nóng)作物的生長(zhǎng)狀況，甚至還有可能因?yàn)闇囟鹊慕档驮斐晒瞎卟说乃劳觯詮V大農(nóng)民朋友們要做好防備，使大棚薄膜免受風(fēng)力及外力的沖擊。我們可以借助繩子的助力來(lái)降低風(fēng)力的危害，可以用繩子壓緊大棚薄膜；在中午溫度升高時(shí)也要及時(shí)的放風(fēng)，降低棚內(nèi)的溫度；一旦發(fā)現(xiàn)大棚薄膜有破損的情況時(shí)要及時(shí)進(jìn)行修補(bǔ)，大棚內(nèi)水泥柱以及竹竿等表面要光滑，這樣也能減少對(duì)大棚薄膜的摩擦，防止破損。大棚膜要防止大棚膜破損，要經(jīng)常檢查。防止自然對(duì)大棚膜的破壞，比如冰雹，暴雨。同時(shí)也要避免人為破壞，像不懂事的小孩戳破大棚膜等 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="曲靖餐廳大棚設(shè)計(jì)" src="http://tyunfile.71360.com/UpLoadFile/2019/12/20/16/637124547789029812_ynzd169_1526832.jpg"></div></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/29223.html</p></div></div></div></div></div><div id="smtlnur" class="page-right twoColRt"><div id="au3phjl" class="box01 margin10 clearfix"><h3><a 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