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id="lur3ta2" 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>湖北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>無(wú)錫無(wú)鎳常溫封孔劑研究</p><p><span>***更新：</span>2020-06-26 21:25:05</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="enkry73" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">仙桃市百事德化工有限責(zé)任公司</a></p><p><span>聯(lián)系人：</span>謝進(jìn)濤</p><p><span>郵箱: </span>267304616@qq.com</p><p><span>電話: </span>15852535713</p><p><span>傳真: </span>0510_86380198</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0510-86380198</p><p><span>地址: </span>沙嘴街道光湖路8號(hào)</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="uyf8lsu" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3cjvh7o" class="box"><p><p> 是指能有效降低氟鈦酸腐蝕能力的一類藥劑?？紤]到氧化膜帶正電荷，選用低分子多元醇類，由帶負(fù)電的羥基吸附在鋁合金表面，隔離槽液，減緩腐蝕。因?yàn)榄h(huán)保問(wèn)題，不能選擇有氣味的醇類，如乙醇、丙醇和丁醇；不能選用醇的聚合物，如聚乙二醇等，因?yàn)樵诤乃嵝圆垡褐腥菀姿狻榇?，選用乙二醇、丙三醇和山梨醇等。螯合劑，是指能有效螯合金屬陽(yáng)離子，無(wú)錫無(wú)鎳常溫封孔劑研究、使之不易從槽液中分解析出的一類藥劑。在低pH值、高氟、鋁離子不斷升高的惡劣條件下，要保持槽液清晰，螯合劑螯合住Al3+和Ti4+，難度的確不小?？晒┰诟逨-條件下螯合住Al3+和Ti4+的螯合劑，選擇的范圍有限。經(jīng)過(guò)大量實(shí)驗(yàn)，可選用如下幾大系列螯合劑：（1）乙酸系，如三乙醇胺，乙二胺四乙酸等；（2）磷酸系，如三聚磷酸鈉、焦磷酸鈉，無(wú)錫無(wú)鎳常溫封孔劑研究、偏磷酸鈉、氨基三甲叉磷酸（ATMP）等；（3）磷酸基羧酸系，如膦?；⊥槿人幔≒BTCA）等。螯合劑的選擇，必須滿足三條要求：一是使鋁合金表面干凈，無(wú)粉霜，不腐蝕；二是槽液清晰，無(wú)錫無(wú)鎳常溫封孔劑研究，不分解，不沉淀；三是封孔后氧化膜失重滿足ISO3210國(guó)際標(biāo)準(zhǔn)要求。本發(fā)明由氟鈦酸、緩蝕劑和螯合劑組成無(wú)鎳封孔液新配方。式（6）給出了氟化鎳為封孔主鹽的工藝參數(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫無(wú)鎳常溫封孔劑研究" src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913898906250/6931910.png"></div><p> 利用mi方法能夠成功制備出高載se量的se-msns納米功能單元。表1實(shí)施例1-5中se-msns的釋放性能和性能的測(cè)試如下：se的釋放性能測(cè)試采用如下方法：(1)配制ph＝＝；(2)選取30wt.％、35wt.％、40wt.％和45wt.％四種se-msns樣品，每個(gè)樣品各稱取10mg裝入透析袋(截留分子量5000)，并加入1ml相應(yīng)ph的pbs緩沖溶液，然后將透析袋用尼龍?jiān)鷰荛]封口。每個(gè)樣品每種ph分別設(shè)置3組平行實(shí)驗(yàn)；(3)采用50ml塑料小瓶作為容器，每個(gè)小瓶子裝入40mlpbs緩沖溶液；(4)放在37℃搖床中培養(yǎng)，轉(zhuǎn)速為180rpm。分別取0，3，7，11，20，30，40，50，60天的樣品，取上層清液4毫升進(jìn)行icp測(cè)試；(5)取多少緩沖液，在取樣結(jié)束后重新補(bǔ)充相同量相應(yīng)ph的緩沖液。性能的測(cè)試采用如下方法：實(shí)驗(yàn)菌種采用金黃色葡萄球菌(，atcc6538)。稱取含瓊脂培養(yǎng)基16g加400ml去離子水于錐形瓶中配制成400mllb瓊脂培養(yǎng)基，稱取，ph調(diào)為，準(zhǔn)備1ml離心管及頭若干，pbs溶液等濕熱消滅待用。將消滅結(jié)束的固體培養(yǎng)基倒平板，靜置冷卻凝固后放入37℃恒溫培養(yǎng)箱培養(yǎng)12h。將保存于平板的菌種挑取一個(gè)菌落放入液體培養(yǎng)基中，37℃搖床中搖菌6h，從液體培養(yǎng)基中取適量用紫外分光光度計(jì)測(cè)其od600值，其值在。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫無(wú)鎳常溫封孔劑研究" src="https://tyunfile.71360.com/UploadFile/xtsbsd1/637262913996914063/9599976.png"></div><p> 實(shí)驗(yàn)例隨機(jī)選取來(lái)自同一個(gè)陽(yáng)極氧化處理工廠處理后的金屬單質(zhì)鋁材料和鋁合金材料各4份，將各處理后的材料中的2份材料根據(jù)上述各實(shí)施例中包覆隔離層的方法進(jìn)行包覆。將上述所有選取的實(shí)驗(yàn)材料放置在同一個(gè)環(huán)境中(室溫下即可)進(jìn)行放置。實(shí)驗(yàn)對(duì)象：將上述利用各實(shí)施例進(jìn)行隔離層包覆的材料作實(shí)驗(yàn)組，未包覆隔離層的材料作對(duì)照組。實(shí)驗(yàn)指標(biāo)：在上述各材料經(jīng)過(guò)陽(yáng)極氧化處理后記錄整體材料中右下角的10×10m2內(nèi)的微孔未閉合初始數(shù)據(jù)(通過(guò)幾何學(xué)取樣法中經(jīng)過(guò)劃線選出計(jì)數(shù)面積，其中采用“取上不取下，取左不取右”，即所選面積的上部線條上覆蓋的半個(gè)以上或是以下的均屬于所選面積中的數(shù)據(jù)的原理)，然后記錄上述各材料在包覆隔離層和未包覆隔離層的材料在相同環(huán)境下放置12小時(shí)后的微孔未閉合數(shù)據(jù)，以及24小時(shí)后的微孔未閉合數(shù)據(jù)。實(shí)驗(yàn)結(jié)果：表1陽(yáng)極氧化處理各材料微孔未閉合數(shù)據(jù)表由上述數(shù)據(jù)結(jié)果顯示，包覆隔離層的各材料采用上述各實(shí)施例的制備方法得到的陽(yáng)極氧化處理材料在經(jīng)過(guò)實(shí)驗(yàn)觀察的時(shí)間后發(fā)現(xiàn)，上述各實(shí)施例中的陽(yáng)極氧化處理材料上的未封閉的微孔數(shù)目隨著實(shí)驗(yàn)時(shí)間的延長(zhǎng)呈現(xiàn)的數(shù)據(jù)降低比率明顯較低。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/404079.html</p></div></div></div></div></div><div id="p3p8v87" class="page-right 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