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class="proBig"><div id="br3tfb3" class="bigimg"><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 id="ezdp78i" 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="gjgiegf" 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>海北州官方授權(quán)經(jīng)銷氮?dú)庠趺礃?氮?dú)?/p><p><span>***更新：</span>2020-08-27 17:07:01</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="c8myqip" 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="2hwikwd" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="3mgsubd" class="box"><p><p style="text-indent:25px">醫(yī)治肺結(jié)核的“人工氣胸術(shù)”，也是把氮?dú)猓ɑ蚩諝猓┐蜻M(jìn)肺結(jié)核病人的胸腔里，壓縮有病灶的肺葉，使它得到休息。現(xiàn)在，人們還利用液氮產(chǎn)生的低溫，來保存良種家畜的精子，貯運(yùn)各地，解凍后再用于人工授精。如***水產(chǎn)研究所試用液態(tài)氮保藏鯢魚**，獲得成功，海北州官方授權(quán)經(jīng)銷氮?dú)庠趺礃?。氮?dú)膺€是一種重要的化工原料，可用來制取多種化肥等等。氮是“生命的基礎(chǔ)”，它不僅是莊稼制造葉綠素的原料，而且是莊稼制造蛋白質(zhì)的原料，據(jù)統(tǒng)計(jì)，全世界的莊稼，在一年之內(nèi)，要從土壤里攝取四千多萬噸氮。科學(xué)家對(duì)氮?dú)獗в泻艽蟮南Ｍ?，他們認(rèn)為；根瘤菌之所以有一套巧奪天工的妙法，能把空氣中的氮直接捕捉下來變成氮肥。是因?yàn)樗w內(nèi)有一種固氮酶，海北州官方授權(quán)經(jīng)銷氮?dú)庠趺礃?，海北州官方授?quán)經(jīng)銷氮?dú)庠趺礃?，這種酶就是捕捉氮?dú)獾哪苁郑热粑覀兡苡没瘜W(xué)的方法人工合成大量的固氨酶，豈不輕而易舉地巧將氮?dú)庾兊柿藛幔课鲗幨械獨(dú)庖嗌馘X。海北州官方授權(quán)經(jīng)銷氮?dú)庠趺礃?/p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海北州官方授權(quán)經(jīng)銷氮?dú)庠趺礃?氮?dú)? src="https://tyunfile.71360.com/UploadFile/JC004/637263497576679688/7674283.jpg"></div><p style="text-indent:25px"> 氮?dú)庵品?；深冷空分制；氮?dú)馍罾淇辗种频且环N傳統(tǒng)的制氮（氮?dú)猓┓椒?，已有近九十年的歷史。它是以空氣為原料，經(jīng)過壓縮、凈化，再利用熱交換使空氣液化成為液空。液空主要是液氧和液氮的混合物，利用液氧和液氮的沸點(diǎn)不同(在1大氣壓下，前者的沸點(diǎn)為-183℃，后者的為-196℃)，通過液空的精餾，使它們分離來獲得氮?dú)狻Ｉ罾淇辗种频O(shè)備復(fù)雜、占地面積大，基建費(fèi)用較高，設(shè)備一次性投資較多，運(yùn)行成本較高，產(chǎn)氣慢(12～24h），安裝要求高、周期較長。綜合設(shè)備、安裝及基建諸因素，3500Nm3／h以下的設(shè)備，相同規(guī)格的PSA裝置的投資規(guī)模要比深冷空分裝置低20％～50％。深冷空分制氮裝置宜于大規(guī)模工業(yè)制氮?dú)猓?、小?guī)模制氮?dú)饩惋@得不經(jīng)濟(jì)。黃南州官方授權(quán)經(jīng)銷氮?dú)鈴S家實(shí)力雄厚海東平安區(qū)氮?dú)鈿鍤狻?/p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海北州官方授權(quán)經(jīng)銷氮?dú)庠趺礃?氮?dú)? src="https://tyunfile.71360.com/UploadFile/JC004/637263497592871094/1578933.jpg"></div><p> .在國民經(jīng)濟(jì)和日常生活中，氮?dú)庥?**的用途。首先，利用它“性格孤獨(dú)”的特點(diǎn)，我們將它充灌在電燈泡里，可防止鎢絲的氧化和減慢鎢絲的揮發(fā)速度，延長燈泡的使用壽命。還可用它來代替惰性氣體作焊接金屬時(shí)的保護(hù)氣。在博物館里，常將一些貴重而稀有的畫頁、書卷保存在充滿氮?dú)獾膱A筒里，這樣就能使蛀蟲在氮?dú)庵斜粣炈?。利用氮?dú)馐辜Z食處于休眠和缺氧狀態(tài)、代謝緩慢，可取得良好的防蟲、防霉和防變質(zhì)效果，糧食不受污染，管理比較簡單，所需費(fèi)用也不高，故近年來進(jìn)展較快。 </p><p style="text-indent:25px">由于單質(zhì)N2在常況下異常穩(wěn)定，人們常誤認(rèn)為氮是一種化學(xué)性質(zhì)不活潑的元素。實(shí)際上相反，元素氮有很高的化學(xué)活性。N的電負(fù)性（3.04）僅次于F、O、Cl和Br，說明它能和其它元素形成較強(qiáng)的鍵。另外單質(zhì)N2分子的穩(wěn)定性恰好說明N原子的活潑性。問題是人們還沒有找到在常溫常壓下能使N2分子活化的有利條件。但在自然界中，植物根瘤上的一些細(xì)菌卻能夠在常溫常壓的低能量條件下，把空氣中的N2轉(zhuǎn)化為氮化合物，作為肥料供作物生長使用。所以固氮的研究一直是一個(gè)重要的科學(xué)研究課題。因此我們有必要詳細(xì)了解氮的成鍵特性和價(jià)鍵結(jié)構(gòu)海東氮?dú)庑枰嗌馘X。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海北州官方授權(quán)經(jīng)銷氮?dú)庠趺礃?氮?dú)? src="https://tyunfile.71360.com/UploadFile/JC004/637263497575615235/4564250.jpg"></div><p style="text-indent:25px">氮?dú)獾陌l(fā)現(xiàn) 1755年英國化學(xué)家布拉克（Black,J.1728-1799）發(fā)現(xiàn)碳酸氣之后不久，發(fā)現(xiàn)木炭1. 在玻璃罩內(nèi)燃燒后所生成的碳酸氣，即使用苛性鉀溶液吸收后仍然有較大量的空氣剩下來。后來他的學(xué)生D·盧瑟福繼續(xù)用動(dòng)物做實(shí)驗(yàn)，把老鼠放進(jìn)封閉的玻璃罩里直至其死后，發(fā)現(xiàn)玻璃罩中空氣體積減少1/10；若將剩余的氣體再用苛性鉀溶液吸收，則會(huì)繼續(xù)減少1/11的體積。D·盧瑟福發(fā)現(xiàn)老鼠不能生存的空氣里燃燒蠟燭，仍然可以見到微弱的燭光。待蠟燭熄滅后，往其中放入少量的磷，磷仍能燃燒一會(huì)，對(duì)除掉空氣中的助燃?xì)鈦碚f，效果是好的。把磷燃燒后剩余的氣體進(jìn)行研究，D·盧瑟福發(fā)現(xiàn)這氣體不能維持生命，具有滅火性質(zhì)，也不溶于苛性鉀溶液，因此命名為“濁氣”或“毒氣”。氮?dú)鈱?shí)驗(yàn)室**常用的是亞硝酸銨的分解，亞硝酸鈉飽和溶液慢慢加到熱的飽和氯化銨溶液中。海北州官方授權(quán)經(jīng)銷氮?dú)庠趺礃?/p><p style="text-indent:25px">氮?dú)庵饕菑拇髿庵蟹蛛x或含氮化合物的分解制得的。海北州官方授權(quán)經(jīng)銷氮?dú)庠趺礃?/p><p style="text-indent:25px"> 氮?dú)獠僮魈幹脙?chǔ)存注意事項(xiàng) 操作注意事項(xiàng)：密閉操作。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。儲(chǔ)存注意事項(xiàng)：儲(chǔ)存于陰涼、通風(fēng)的庫房。遠(yuǎn)離火種、熱源。庫溫不宜超過30℃。儲(chǔ)區(qū)應(yīng)備有泄漏應(yīng)急處理設(shè)備。1.氮?dú)馐侵葡跛帷⒒实脑希?2.氮?dú)饪梢杂米鞅Ｗo(hù)氣； 3.液氮可以用作冷凍麻醉劑； 4.可以用作超導(dǎo)材料的環(huán)境改造劑。海北州官方授權(quán)經(jīng)銷氮?dú)庠趺礃?/p><p style="text-indent:25px">海東市平安區(qū)永安氣體有限公司是一家氧氣、氬氣、氮?dú)?、二氧化碳、液化石油氣批發(fā)、銷售（籌建使用）；鋼瓶銷售；服裝、鞋帽、百貨、五金、建筑裝飾裝修材料、切削工具批發(fā)、零售經(jīng)多年的市場拼搏，公司形成了“標(biāo)準(zhǔn)化、規(guī)范化、現(xiàn)代化”的企業(yè)理念。始終把安全工作擺在“重于一切、高于一切、壓倒一切”的重要位置。通過我們不懈的努力，得到了業(yè)界及廣大業(yè)主的一致好評(píng)的公司，創(chuàng)建于2015-02-04。海東永安氣體供應(yīng)深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的二氧化碳，氮?dú)?，氧氣，氦氣。海東永安氣體供應(yīng)始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)同事和團(tuán)隊(duì)取得成功。海東永安氣體供應(yīng)始終關(guān)注商務(wù)服務(wù)行業(yè)。海納百川，有容乃大，國內(nèi)外同行的智慧都是促使我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1061177.html</p></div></div></div></div></div><div id="vpholxe" class="page-right twoColRt"><div id="dxuriu7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8ofxjl3" 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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