人妻少妇伦在线无码_4444亚洲人成无码网在线观看_特黄特色的大片观看免费视频_AV人摸人人人澡人人超碰妓女

硫(liu)(liu)(liu)(liu)化(hua)氫(qing)(qing)(qing)泄漏檢測儀(yi)采用(yong)固體(ti)金屬氧(yang)化(hua)物半導(dao)體(ti)傳(chuan)感(gan)技術。傳(chuan)感(gan)器由(you)兩(liang)片(pian)(pian)(pian)(pian)薄片(pian)(pian)(pian)(pian)組成:一片(pian)(pian)(pian)(pian)是(shi)加(jia)熱片(pian)(pian)(pian)(pian)，另一片(pian)(pian)(pian)(pian)是(shi)對硫(liu)(liu)(liu)(liu)化(hua)氫(qing)(qing)(qing)氣(qi)(qi)(qi)(qi)(qi)體(ti)敏(min)感(gan)的(de)氣(qi)(qi)(qi)(qi)(qi)敏(min)片(pian)(pian)(pian)(pian)。兩(liang)片(pian)(pian)(pian)(pian)薄片(pian)(pian)(pian)(pian)都(dou)以真空鍍膜的(de)方式安(an)裝在(zai)(zai)一個硅芯片(pian)(pian)(pian)(pian)上。加(jia)熱片(pian)(pian)(pian)(pian)將氣(qi)(qi)(qi)(qi)(qi)敏(min)片(pian)(pian)(pian)(pian)的(de)工作(zuo)溫度(du)(du)提升(sheng)到(dao)能對硫(liu)(liu)(liu)(liu)化(hua)氫(qing)(qing)(qing)氣(qi)(qi)(qi)(qi)(qi)體(ti)反應的(de)水平。氣(qi)(qi)(qi)(qi)(qi)敏(min)片(pian)(pian)(pian)(pian)上有(you)(you)(you)金屬氧(yang)化(hua)物，可動態地顯示硫(liu)(liu)(liu)(liu)化(hua)氫(qing)(qing)(qing)氣(qi)(qi)(qi)(qi)(qi)體(ti)濃(nong)度(du)(du)的(de)變(bian)化(hua)。其敏(min)感(gan)性(xing)可從十(shi)億分之(zhi)(zhi)一到(dao)百分之(zhi)(zhi)一。硫(liu)(liu)(liu)(liu)化(hua)氫(qing)(qing)(qing)在(zai)(zai)標準狀(zhuang)況下是(shi)一種易燃的(de)酸性(xing)氣(qi)(qi)(qi)(qi)(qi)體(ti)，無色(se)，低(di)濃(nong)度(du)(du)時有(you)(you)(you)臭雞蛋氣(qi)(qi)(qi)(qi)(qi)味(wei)，濃(nong)度(du)(du)極低(di)時便(bian)有(you)(you)(you)硫(liu)(liu)(liu)(liu)磺味(wei)，有(you)(you)(you)毒(du)(du)。是(shi)強(qiang)烈(lie)的(de)神經毒(du)(du)素(su)，對粘膜有(you)(you)(you)強(qiang)烈(lie)刺激作(zuo)用(yong)。是(shi)一種急性(xing)劇毒(du)(du)，吸入少量高濃(nong)度(du)(du)硫(liu)(liu)(liu)(liu)...

便攜(xie)(xie)式(shi)苯(ben)(ben)濃度檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)儀(yi)具有結構(gou)簡單、體(ti)積小、便于(yu)攜(xie)(xie)帶和使(shi)用(yong)的(de)(de)特(te)點。便攜(xie)(xie)式(shi)苯(ben)(ben)檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)儀(yi)用(yong)于(yu)苯(ben)(ben)濃度的(de)(de)檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)，適合快(kuai)速(su)工業場所苯(ben)(ben)濃度檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)。便攜(xie)(xie)式(shi)苯(ben)(ben)檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)儀(yi)可以現場對空氣中苯(ben)(ben)快(kuai)速(su)實現定量、定性檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)之用(yong)。便攜(xie)(xie)式(shi)苯(ben)(ben)濃度檢(jian)(jian)(jian)(jian)(jian)測(ce)(ce)儀(yi)適用(yong)于(yu)燃(ran)氣、石油、石化(hua)、油田、油庫(ku)、化(hua)工、消防、冶金、焦(jiao)化(hua)、電力、賓館、礦井等可燃(ran)氣體(ti)使(shi)用(yong)和有毒氣體(ti)存在的(de)(de)場所。該產(chan)品能有效的(de)(de)避免因可燃(ran)氣體(ti)泄漏而(er)引起的(de)(de)火災(zai)、爆炸、中毒等人身(shen)傷亡事故和財產(chan)損失。苯(ben)(ben)屬(shu)于(yu)劇(ju)毒溶劑，少量的(de)(de)吸入也會對人體(ti)造成長期(qi)的(de)(de)損害(hai)。苯(ben)(ben)能在神經(jing)系統和骨髓內蓄(xu)積，使(shi)神經(jing)...

磷化氫濃(nong)度報警儀(yi)主要是(shi)運(yun)用在糧倉(cang)熏(xun)(xun)蒸(zheng)(zheng)項目(mu)，有(you)的(de)(de)(de)測(ce)(ce)熏(xun)(xun)蒸(zheng)(zheng)過程(cheng)中的(de)(de)(de)濃(nong)度，一般選擇(ze)量(liang)程(cheng)是(shi)0-2000ppm，另(ling)一種是(shi)測(ce)(ce)熏(xun)(xun)蒸(zheng)(zheng)后的(de)(de)(de)殘余濃(nong)度，量(liang)程(cheng)一般選擇(ze)0-20ppm。很(hen)多客戶選擇(ze)便攜(xie)泵吸的(de)(de)(de)，測(ce)(ce)熏(xun)(xun)蒸(zheng)(zheng)過程(cheng)的(de)(de)(de)時候(hou)通過采樣點檢(jian)測(ce)(ce)，測(ce)(ce)殘余時則隨身攜(xie)帶檢(jian)測(ce)(ce)。磷化氫是(shi)一種無色氣(qi)體，極(ji)毒，有(you)魚腥(xing)臭氣(qi)味。磷化氫氣(qi)體對儲糧害蟲(chong)(chong)(chong)(chong)（除粉螨外）的(de)(de)(de)不同蟲(chong)(chong)(chong)(chong)期均有(you)較(jiao)高的(de)(de)(de)藥效，它可(ke)通過昆蟲(chong)(chong)(chong)(chong)呼(hu)吸系統進入蟲(chong)(chong)(chong)(chong)體內(nei)，作用于細(xi)胞線粒體的(de)(de)(de)呼(hu)吸鏈和(he)細(xi)胞色素(su)氧(yang)化酶而使(shi)昆蟲(chong)(chong)(chong)(chong)致死。主要用于糧倉(cang)和(he)煙草的(de)(de)(de)熏(xun)(xun)蒸(zheng)(zheng)，可(ke)測(ce)(ce)熏(xun)(xun)蒸(zheng)(zheng)中和(he)熏(xun)(xun)蒸(zheng)(zheng)后殘余濃(nong)度。導致...

二(er)氧(yang)(yang)(yang)化(hua)(hua)(hua)氯(lv)濃度(du)(du)報警(jing)(jing)儀是指(zhi)用于快速檢測(ce)(ce)(ce)二(er)氧(yang)(yang)(yang)化(hua)(hua)(hua)氯(lv)的儀器，可以(yi)指(zhi)檢測(ce)(ce)(ce)空氣中二(er)氧(yang)(yang)(yang)化(hua)(hua)(hua)氯(lv)或(huo)水中二(er)氧(yang)(yang)(yang)化(hua)(hua)(hua)氯(lv)，實際中多指(zhi)水中二(er)氧(yang)(yang)(yang)化(hua)(hua)(hua)氯(lv)檢測(ce)(ce)(ce)儀。二(er)氧(yang)(yang)(yang)化(hua)(hua)(hua)氯(lv)濃度(du)(du)報警(jing)(jing)儀多為采(cai)用分光(guang)光(guang)度(du)(du)法(fa)(fa)(fa)或(huo)電(dian)(dian)化(hua)(hua)(hua)學方法(fa)(fa)(fa)。前者(zhe)是利(li)用二(er)氧(yang)(yang)(yang)化(hua)(hua)(hua)氯(lv)本(ben)身顏色(se)或(huo)與(yu)特(te)定(ding)試劑后應后生成(cheng)的顏色(se)，通過分光(guang)光(guang)度(du)(du)法(fa)(fa)(fa)，測(ce)(ce)(ce)其(qi)濃度(du)(du)。而(er)電(dian)(dian)化(hua)(hua)(hua)學方法(fa)(fa)(fa)則是利(li)用二(er)氧(yang)(yang)(yang)化(hua)(hua)(hua)氯(lv)對一(yi)些電(dian)(dian)極材料的特(te)殊電(dian)(dian)位(wei)，通過計算(suan)電(dian)(dian)位(wei)差從而(er)測(ce)(ce)(ce)得結果，在(zai)一(yi)些標準中多采(cai)用化(hua)(hua)(hua)學分光(guang)光(guang)度(du)(du)法(fa)(fa)(fa)。二(er)氧(yang)(yang)(yang)化(hua)(hua)(hua)氯(lv)濃度(du)(du)報警(jing)(jing)儀測(ce)(ce)(ce)定(ding)步驟：1、按“功(gong)能(neng)|ON/OFF”鍵開(kai)機，屏(ping)幕(mu)顯示(shi)(shi)“0000”表示(shi)(shi)開(kai)機完成(cheng)。2、用吸管吸取...

復(fu)合氣體(ti)檢測儀選(xuan)用當前行業(ye)內較好品(pin)牌(pai)的(de)電(dian)化學或(huo)紅外、催化燃燒(shao)、熱導、PID光離子(zi)原理的(de)氣體(ti)傳感器(qi)，大容(rong)量數(shu)(shu)(shu)據(ju)(ju)(ju)存(cun)(cun)(cun)儲(chu)功能，標配數(shu)(shu)(shu)萬條數(shu)(shu)(shu)據(ju)(ju)(ju)存(cun)(cun)(cun)儲(chu)容(rong)量，更(geng)大容(rong)量可(ke)訂制(zhi)。可(ke)選(xuan)配SD卡(ka)存(cun)(cun)(cun)儲(chu)功能，支持實時(shi)(shi)存(cun)(cun)(cun)儲(chu)、定時(shi)(shi)存(cun)(cun)(cun)儲(chu)或(huo)只存(cun)(cun)(cun)報(bao)警濃(nong)度數(shu)(shu)(shu)據(ju)(ju)(ju)和時(shi)(shi)間、支持本(ben)機查看、刪除數(shu)(shu)(shu)據(ju)(ju)(ju)，也可(ke)通過USB、紅外通信(xin)、RS232接口將(jiang)數(shu)(shu)(shu)據(ju)(ju)(ju)上傳到(dao)電(dian)腦，用上位機軟件(jian)分析數(shu)(shu)(shu)據(ju)(ju)(ju)和存(cun)(cun)(cun)儲(chu)、打印。支持遠(yuan)程無(wu)線傳輸（選(xuan)配功能）。擁有彩色液晶顯示屏和任意選(xuan)擇多種傳感器(qi)的(de)復(fu)合式(shi)氣體(ti)監測儀。超大屏彩色顯示使得儀器(qi)可(ke)以在(zai)低(di)亮(liang)，高亮(liang)等(deng)任何亮(liang)度...

甲(jia)(jia)(jia)烷氣(qi)體檢(jian)測(ce)儀是(shi)(shi)(shi)(shi)(shi)用(yong)(yong)來(lai)(lai)檢(jian)測(ce)空(kong)氣(qi)中(zhong)(zhong)甲(jia)(jia)(jia)烷含量(liang)的(de)(de)儀器，甲(jia)(jia)(jia)烷是(shi)(shi)(shi)(shi)(shi)一(yi)種有(you)機(ji)化合物(wu)(wu)，分子(zi)式是(shi)(shi)(shi)(shi)(shi)CH4，分子(zi)量(liang)為(wei)16.043。甲(jia)(jia)(jia)烷是(shi)(shi)(shi)(shi)(shi)簡單的(de)(de)有(you)機(ji)物(wu)(wu)，也(ye)是(shi)(shi)(shi)(shi)(shi)含碳(tan)量(liang)小（含氫(qing)量(liang)大）的(de)(de)物(wu)(wu)質(zhi)(zhi)。甲(jia)(jia)(jia)烷在(zai)自然界(jie)的(de)(de)散布很(hen)廣，是(shi)(shi)(shi)(shi)(shi)天然氣(qi)，沼氣(qi)，坑氣(qi)等的(de)(de)主要(yao)成分，俗(su)稱瓦斯。它(ta)可用(yong)(yong)來(lai)(lai)作為(wei)燃料及制作氫(qing)氣(qi)、炭(tan)黑、一(yi)氧化碳(tan)、乙(yi)炴及甲(jia)(jia)(jia)醛等物(wu)(wu)質(zhi)(zhi)的(de)(de)質(zhi)(zhi)料。甲(jia)(jia)(jia)烷氣(qi)體檢(jian)測(ce)儀有(you)用(yong)(yong)嗎？當(dang)然有(you)，雖然甲(jia)(jia)(jia)烷是(shi)(shi)(shi)(shi)(shi)一(yi)種很(hen)重(zhong)要(yao)的(de)(de)燃料，是(shi)(shi)(shi)(shi)(shi)天然氣(qi)的(de)(de)主要(yao)成分，約占87%。可是(shi)(shi)(shi)(shi)(shi)它(ta)也(ye)很(hen)風險，在(zai)標準壓力的(de)(de)室溫環境中(zhong)(zhong)，甲(jia)(jia)(jia)烷無色、無味(wei)；家(jia)用(yong)(yong)天然氣(qi)的(de)(de)特殊味(wei)道，是(shi)(shi)(shi)(shi)(shi)為(wei)了(le)安全而添加的(de)(de)...

氮(dan)(dan)(dan)(dan)氧(yang)(yang)化(hua)(hua)物(wu)檢測(ce)儀全軟件(jian)自(zi)動校準(zhun)(zhun)(zhun)、傳(chuan)感器(qi)多達6級目標點校準(zhun)(zhun)(zhun)功能(neng)，保證檢測(ce)的(de)準(zhun)(zhun)(zhun)確性和線性，并且具有(you)(you)(you)數據恢(hui)復功能(neng)。氮(dan)(dan)(dan)(dan)氧(yang)(yang)化(hua)(hua)物(wu)檢測(ce)儀可實現對氮(dan)(dan)(dan)(dan)氧(yang)(yang)化(hua)(hua)物(wu)排(pai)放的(de)有(you)(you)(you)效監控，從而降低(di)事故發(fa)生。以(yi)一(yi)氧(yang)(yang)化(hua)(hua)氮(dan)(dan)(dan)(dan)和二氧(yang)(yang)化(hua)(hua)氮(dan)(dan)(dan)(dan)為(wei)主的(de)氮(dan)(dan)(dan)(dan)氧(yang)(yang)化(hua)(hua)物(wu)是形成(cheng)光(guang)化(hua)(hua)學(xue)煙霧和酸雨(yu)的(de)一(yi)個(ge)重要(yao)原因。汽車尾氣中(zhong)的(de)氮(dan)(dan)(dan)(dan)氧(yang)(yang)化(hua)(hua)物(wu)與(yu)氮(dan)(dan)(dan)(dan)氫化(hua)(hua)合物(wu)經(jing)紫外線照射發(fa)生反應形成(cheng)的(de)有(you)(you)(you)毒煙霧，稱為(wei)光(guang)化(hua)(hua)學(xue)煙霧。光(guang)化(hua)(hua)學(xue)煙霧具有(you)(you)(you)特殊氣味，刺激眼睛(jing)，傷害植物(wu)，并能(neng)使(shi)大氣能(neng)見度降低(di)。另外，氮(dan)(dan)(dan)(dan)氧(yang)(yang)化(hua)(hua)物(wu)與(yu)空氣中(zhong)的(de)水反應生成(cheng)的(de)硝酸和亞硝酸是酸雨(yu)的(de)成(cheng)分。大氣中(zhong)的(de)氮(dan)(dan)(dan)(dan)氧(yang)(yang)化(hua)(hua)物(wu)主要(yao)源于化(hua)(hua)...

二氧(yang)化(hua)碳(tan)濃(nong)度檢(jian)測儀(yi)采用(yong)進口氣體傳感器(qi)(qi)，使用(yong)壽命更長(chang)，測量(liang)結果(guo)穩定、精確，全自動溫度、濕(shi)度補償技術，測量(liang)數據真實有效(xiao)。儀(yi)器(qi)(qi)自帶(dai)數據存儲(chu)，儲(chu)存數據可(ke)(ke)達200多組，可(ke)(ke)以直接查詢檢(jian)測數據。自帶(dai)吸(xi)氣泵可(ke)(ke)將數十米距離外(wai)氣體吸(xi)入儀(yi)器(qi)(qi)進行測定。不過值得一說的(de)是儀(yi)器(qi)(qi)長(chang)時間不用(yong)，需存放在干(gan)燥無塵的(de)環(huan)境內(nei)，重(zhong)新使用(yong)前應(ying)充電，開(kai)機十分鐘以后(hou)在檢(jian)查。儀(yi)表的(de)檢(jian)查結果(guo)是在誤差范圍內(nei)定量(liang)的(de)顯示空氣中二氧(yang)化(hua)碳(tan)濃(nong)度，按有關法(fa)規不應(ying)作為法(fa)定的(de)檢(jian)查結果(guo)。理(li)論上空氣中二氧(yang)化(hua)碳(tan)的(de)濃(nong)度是占0.03%。當(dang)二氧(yang)化(hua)碳(tan)的(de)濃(nong)度達到...