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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="uyqn23e" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/JC004/637263497576679688/7674283.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="889d3by" 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>青海省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>海北州***氮?dú)馊珖?guó)發(fā)貨</p><p><span>***更新：</span>2020-06-24 22:21:43</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="j84l0r3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">海東市平安區(qū)永安氣體有限公司</a></p><p><span>聯(lián)系人：</span>羅崇山</p><p><span>郵箱: </span>794819198@qq.com</p><p><span>電話: </span>15117121314</p><p><span>傳真: </span>0972_5925363</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0972-5925363</p><p><span>地址: </span>平安區(qū)古城鄉(xiāng)新莊爾村</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="34y3cbx" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="dxkh3uw" class="box"><p><p> 1.氮元素的氧化態(tài)-吉布斯自由能圖也可以看出，除了NH4+離子外，氧化數(shù)為0的N2分子在圖中曲線的比較低點(diǎn)，這表明相對(duì)于其它氧化數(shù)的氮的化合物來(lái)講的話，N2是熱力學(xué)穩(wěn)定狀態(tài)結(jié)構(gòu)。氧化數(shù)為0到+5之間的各種氮的化合物的值都位于HNO3和N2兩點(diǎn)的連線（圖中的虛線）的上方。因此，這些化合物在熱力學(xué)上是不穩(wěn)定的，容易發(fā)生歧化反應(yīng)。在圖中的一個(gè)比N2分子值低的是NH4+離子。正價(jià)氮呈酸性，海北州***氮?dú)馊珖?guó)發(fā)貨，海北州***氮?dú)馊珖?guó)發(fā)貨，負(fù)價(jià)氮呈堿性，海北州***氮?dú)馊珖?guó)發(fā)貨。由氮分子中三鍵鍵能很大，不容易被破壞，因此其化學(xué)性質(zhì)十分穩(wěn)定。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海北州***氮?dú)馊珖?guó)發(fā)貨" src="https://tyunfile.71360.com/UploadFile/JC004/637263497576679688/7674283.jpg"></div><p style="text-indent:25px">瓶裝氮?dú)庠谶\(yùn)輸儲(chǔ)存、使用時(shí)都應(yīng)分類堆放，嚴(yán)禁可燃?xì)怏w與助燃?xì)怏w堆放在一起，不準(zhǔn)靠近明火和熱源，應(yīng)做到勿近火、勿沾油臘、勿爆曬、勿重拋、勿撞擊，嚴(yán)禁在氣瓶身上進(jìn)行引弧或電弧，嚴(yán)禁野蠻裝卸。密閉操作，提供良好的自然通風(fēng)條件。操作人員必須經(jīng)過(guò)專門培訓(xùn)，嚴(yán)格遵守操作規(guī)程。防止氣體泄漏到工作場(chǎng)所空氣中。搬運(yùn)時(shí)輕裝輕卸，防止鋼瓶及附件破損。配備泄漏應(yīng)急處理設(shè)備。消防應(yīng)急措施與防護(hù)：迅速撤離泄漏污染區(qū)人員至上風(fēng)處，并進(jìn)行隔離，嚴(yán)格限制出入。建議應(yīng)急處理人員戴自給正壓式呼吸器。不要直接接觸泄漏物。盡可能切斷泄漏源。防止氣體在低凹處積聚，遇點(diǎn)火源著火。用排風(fēng)機(jī)將漏出氣送至空曠處。漏氣容器要妥善處理，修復(fù)、檢驗(yàn)后再使用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海北州***氮?dú)馊珖?guó)發(fā)貨" src="https://tyunfile.71360.com/UploadFile/JC004/637263497592890625/7816471.jpg"></div><p style="text-indent:25px">膜分離空分制氮也是非低溫制氮技術(shù)的新的分支，是80年代國(guó)外迅速發(fā)展起來(lái)的一種新的制氮方法，在國(guó)內(nèi)推廣應(yīng)用還是2010-2017年的事。膜分離制氮是以空氣為原料，在一定的壓力下，利用氧和氮在中空纖維膜中的不同滲透速率來(lái)使氧、氮分離制取氮?dú)狻Ｋc上述兩種制氮方法相比，具有設(shè)備結(jié)構(gòu)更簡(jiǎn)單、體積更小、無(wú)切換閥門、操作維護(hù)也更為簡(jiǎn)便、產(chǎn)氣更**min以內(nèi)）、增容更方便等特點(diǎn)，但中空纖維膜對(duì)壓縮空氣清潔度要求更嚴(yán)，膜易老化而失效，難以修復(fù)，需要換新膜，膜分離制氮比較適合氮?dú)饧兌纫笤凇?8%左右的中小型用戶，此時(shí)具有較好功能價(jià)格比；當(dāng)要求氮?dú)饧兌雀哂?8%時(shí)，它與同規(guī)格的變壓吸附制氮裝置相比，價(jià)格要高出30%左右，故由膜分離制氮和氮純化裝置相組合制取高純氮時(shí)，普氮純度一般為98%，因而會(huì)增加純化裝置的制作成本和運(yùn)行成本</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/379769.html</p></div></div></div></div></div><div id="8tacwsp" class="page-right twoColRt"><div id="zt7ysjl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ztv2meg" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" 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