高精度模擬太陽光工程廠家
太(tai)陽(yang)(yang)模擬(ni)(ni)器(qi)并(bing)不只(zhi)是一(yi)個模擬(ni)(ni)太(tai)陽(yang)(yang)光(guang)的(de)(de)光(guang)源,它(ta)(ta)還包(bao)括了一(yi)整套的(de)(de)測(ce)試系統。太(tai)陽(yang)(yang)電(dian)池是一(yi)種(zhong)非線(xian)性(xing)元件,在電(dian)池/組件的(de)(de)性(xing)能(neng)進行測(ce)試時,一(yi)般(ban)通過測(ce)試一(yi)整條IV曲線(xian)來(lai)判(pan)斷太(tai)陽(yang)(yang)電(dian)池的(de)(de)性(xing)能(neng)。當(dang)前(qian)(qian)業界主要使(shi)用(yong)電(dian)子負(fu)載代替真(zhen)實負(fu)載進行IV曲線(xian)的(de)(de)測(ce)試。對于脈沖(chong)式(shi)太(tai)陽(yang)(yang)模擬(ni)(ni)器(qi),它(ta)(ta)只(zhi)有(you)數十毫(hao)(hao)秒甚至幾毫(hao)(hao)秒的(de)(de)亞穩態恒定(ding)光(guang)強,要在如此短(duan)的(de)(de)時間(jian)內完成整條IV曲線(xian)的(de)(de)測(ce)試,這要求(qiu)使(shi)用(yong)快(kuai)速電(dian)子負(fu)載。當(dang)前(qian)(qian)太(tai)陽(yang)(yang)電(dian)池電(dian)流(liu)電(dian)壓特性(xing)曲線(xian)的(de)(de)測(ce)試普遍采(cai)(cai)(cai)用(yong)四線(xian)制的(de)(de)接法,它(ta)(ta)可(ke)以消除(chu)接觸電(dian)阻的(de)(de)影響。為(wei)了得到精確(que)的(de)(de)IV曲線(xian),在電(dian)流(liu)采(cai)(cai)(cai)樣(yang)(yang)時普遍采(cai)(cai)(cai)用(yong)多(duo)點(dian)(dian)采(cai)(cai)(cai)用(yong),不同(tong)廠家(jia)的(de)(de)模擬(ni)(ni)器(qi)采(cai)(cai)(cai)樣(yang)(yang)點(dian)(dian)數從(cong)幾百點(dian)(dian)到上(shang)萬點(dian)(dian),當(dang)采(cai)(cai)(cai)樣(yang)(yang)點(dian)(dian)數很大(da)時,這就需要有(you)更高位(wei)的(de)(de)A/D轉換模塊,業界目前(qian)(qian)普遍采(cai)(cai)(cai)用(yong)10位(wei)到16位(wei)的(de)(de)AD轉換器(qi)件。上(shang)海卡(ka)精智能(neng)科(ke)技有(you)限公司為(wei)您提供(gong)模擬(ni)(ni)太(tai)陽(yang)(yang)光(guang),期待為(wei)您服務!高精度模擬(ni)(ni)太(tai)陽(yang)(yang)光(guang)工(gong)程廠家(jia)
陽(yang)光(guang)(guang)(guang)模(mo)(mo)擬(ni)(ni)器能夠移(yi)動(dong)和復制各種自然太(tai)(tai)陽(yang)能條件,通常需(xu)要安(an)裝一個機(ji)械定位系(xi)統(tong)。這使得太(tai)(tai)陽(yang)能電(dian)(dian)池(chi)陣(zhen)可在所(suo)有所(suo)需(xu)的(de)(de)(de)空間方向(xiang)進(jin)行(xing)機(ji)動(dong)運(yun)動(dong),以便模(mo)(mo)擬(ni)(ni)太(tai)(tai)陽(yang)光(guang)(guang)(guang)晝夜循環等。太(tai)(tai)陽(yang)光(guang)(guang)(guang)模(mo)(mo)擬(ni)(ni)器是測試(shi)太(tai)(tai)陽(yang)能電(dian)(dian)池(chi)的(de)(de)(de)評價(jia)指標短(duan)路電(dian)(dian)流ISC、開路電(dian)(dian)壓(ya)(ya)VOC、填(tian)充(chong)因子(zi)FF、光(guang)(guang)(guang)電(dian)(dian)轉化效(xiao)率η的(de)(de)(de)儀(yi)器。太(tai)(tai)陽(yang)光(guang)(guang)(guang)模(mo)(mo)擬(ni)(ni)器是測試(shi)太(tai)(tai)陽(yang)能電(dian)(dian)池(chi)的(de)(de)(de)評價(jia)指標短(duan)路電(dian)(dian)流ISC、開路電(dian)(dian)壓(ya)(ya)VOC、填(tian)充(chong)因子(zi)FF、光(guang)(guang)(guang)電(dian)(dian)轉化效(xiao)率η的(de)(de)(de)儀(yi)器。太(tai)(tai)陽(yang)光(guang)(guang)(guang)模(mo)(mo)擬(ni)(ni)器主機(ji)主要有:1000W氙燈光(guang)(guang)(guang)源、反射(she)鏡、光(guang)(guang)(guang)學(xue)積分器、快門、AM1.5濾波片、準直透鏡等幾(ji)部分組(zu)成(cheng)。上海(hai)電(dian)(dian)池(chi)量子(zi)效(xiao)率測試(shi)模(mo)(mo)擬(ni)(ni)太(tai)(tai)陽(yang)光(guang)(guang)(guang)模(mo)(mo)擬(ni)(ni)模(mo)(mo)擬(ni)(ni)太(tai)(tai)陽(yang)光(guang)(guang)(guang),就選上海(hai)卡精智能科(ke)技有限(xian)公司,有需(xu)求可以來電(dian)(dian)模(mo)(mo)擬(ni)(ni)太(tai)(tai)陽(yang)光(guang)(guang)(guang)!
太(tai)(tai)(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)(yang)光的不同成份對人(ren)類健康(kang)有(you)著不同的作用,這一點早已被全球科(ke)(ke)學家所(suo)認可。當然,太(tai)(tai)(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)(yang)光不同成份對人(ren)類健康(kang)的作用機理、有(you)效程度(du)、量效關(guan)系(xi)及副作用還在進(jin)一步深(shen)入(ru)(ru)挖(wa)掘之(zhi)中,還存(cun)在巨(ju)大的科(ke)(ke)研空間。當前,人(ren)類模(mo)擬太(tai)(tai)(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)(yang)光的技(ji)術(shu),相對于太(tai)(tai)(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)(yang)光本身豐富的構成而言,不過是九牛(niu)一毛。因(yin)此(ci),模(mo)擬太(tai)(tai)(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)(yang)光技(ji)術(shu)依然還有(you)很長的路要走,依然還有(you)巨(ju)大的潛力可以發揮(hui)。“太(tai)(tai)(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)(yang)光是健康(kang)的光”也得到照(zhao)明行(xing)業的一致認可。因(yin)此(ci),“類太(tai)(tai)(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)(yang)光”“似太(tai)(tai)(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)(yang)光”“勝似太(tai)(tai)(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)(yang)光”“模(mo)擬太(tai)(tai)(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)(yang)光”等各類向太(tai)(tai)(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)(yang)光看(kan)齊的照(zhao)明產品紛紛問(wen)世(shi),帶領照(zhao)明行(xing)業進(jin)入(ru)(ru)“太(tai)(tai)(tai)(tai)(tai)(tai)陽(yang)(yang)(yang)(yang)光”時代!
氙(xian)燈(deng)(deng)是一(yi)種高(gao)(gao)的(de)強度氣體放電(dian)(dian)(dian)(dian)燈(deng)(deng),通過(guo)瞬間產生(sheng)的(de)高(gao)(gao)壓使氣體發生(sheng)電(dian)(dian)(dian)(dian)離(li),形成(cheng)(cheng)放電(dian)(dian)(dian)(dian)通道,產生(sheng)電(dian)(dian)(dian)(dian)弧光(guang)(guang),然(ran)后(hou)在較低的(de)工作(zuo)電(dian)(dian)(dian)(dian)壓下保持穩(wen)定的(de)弧光(guang)(guang)放電(dian)(dian)(dian)(dian)。利用氙(xian)燈(deng)(deng)作(zuo)為太(tai)(tai)陽光(guang)(guang)模擬器(qi)的(de)光(guang)(guang)源存在的(de)主要(yao)優點(dian)如下:一(yi)是光(guang)(guang)譜(pu)匹配度高(gao)(gao),氙(xian)燈(deng)(deng)的(de)色溫在6000K左右,與太(tai)(tai)陽光(guang)(guang)十(shi)分近似,氙(xian)燈(deng)(deng)光(guang)(guang)譜(pu)與am1.5g標(biao)準太(tai)(tai)陽光(guang)(guang)光(guang)(guang)譜(pu)十(shi)分近似,光(guang)(guang)譜(pu)匹配度很(hen)高(gao)(gao);二(er)是氙(xian)燈(deng)(deng)的(de)光(guang)(guang)響(xiang)應速度快,氙(xian)燈(deng)(deng)是通過(guo)瞬間產生(sheng)的(de)20kV高(gao)(gao)壓脈沖將氙(xian)氣電(dian)(dian)(dian)(dian)離(li)形成(cheng)(cheng)發光(guang)(guang)的(de)電(dian)(dian)(dian)(dian)弧,不(bu)需要(yao)預熱就能達(da)到穩(wen)定的(de)光(guang)(guang)輸出;三是氙(xian)燈(deng)(deng)的(de)發光(guang)(guang)亮(liang)度十(shi)分高(gao)(gao),具有很(hen)高(gao)(gao)的(de)發光(guang)(guang)效率,十(shi)分適合制作(zuo)大面積的(de)太(tai)(tai)陽光(guang)(guang)模擬器(qi)。上(shang)海(hai)卡精智能科技(ji)有限公司致(zhi)力于(yu)提供模擬太(tai)(tai)陽光(guang)(guang),有需求可(ke)以來電(dian)(dian)(dian)(dian)模擬太(tai)(tai)陽光(guang)(guang)!
“模(mo)擬(ni)太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)”的(de)(de)難(nan)(nan)度(du)主要有(you)2點:一是(shi)(shi)(shi)(shi)不(bu)(bu)(bu)(bu)同(tong)(tong)(tong)時間(jian)、不(bu)(bu)(bu)(bu)同(tong)(tong)(tong)地點的(de)(de)太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)的(de)(de)色溫不(bu)(bu)(bu)(bu)同(tong)(tong)(tong);二是(shi)(shi)(shi)(shi)不(bu)(bu)(bu)(bu)同(tong)(tong)(tong)時間(jian)、不(bu)(bu)(bu)(bu)同(tong)(tong)(tong)地點的(de)(de)太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)的(de)(de)亮度(du)不(bu)(bu)(bu)(bu)同(tong)(tong)(tong)。首先,除(chu)了色溫和亮度(du),對太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)光(guang)(guang)(guang)譜的(de)(de)研究(jiu)和模(mo)擬(ni),是(shi)(shi)(shi)(shi)“模(mo)擬(ni)太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)”的(de)(de)大(da)(da)難(nan)(nan)題(ti)!太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)不(bu)(bu)(bu)(bu)只有(you)可見(jian)光(guang)(guang)(guang)部(bu)分,還有(you)不(bu)(bu)(bu)(bu)可見(jian)光(guang)(guang)(guang)部(bu)分。太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)光(guang)(guang)(guang)譜的(de)(de)飽和度(du),是(shi)(shi)(shi)(shi)當前任何人(ren)造光(guang)(guang)(guang)源(yuan)(yuan)都(dou)無(wu)法達到的(de)(de)。所以(yi),向(xiang)太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)光(guang)(guang)(guang)譜看(kan)齊,模(mo)擬(ni)太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)光(guang)(guang)(guang)譜,是(shi)(shi)(shi)(shi)當前照明行業(ye)人(ren)造光(guang)(guang)(guang)源(yuan)(yuan)的(de)(de)努(nu)力(li)方向(xiang)。其次,“模(mo)擬(ni)太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)”,還要模(mo)擬(ni)出太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)的(de)(de)營養(yang)成分,這也(ye)是(shi)(shi)(shi)(shi)巨大(da)(da)的(de)(de)難(nan)(nan)題(ti)!太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)是(shi)(shi)(shi)(shi)有(you)營養(yang)成分的(de)(de),人(ren)類從(cong)太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)中汲取相應(ying)的(de)(de)營養(yang)成分,滿足人(ren)體(ti)所需。上海卡(ka)精智能(neng)科技(ji)有(you)限公(gong)司為您(nin)提供模(mo)擬(ni)太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang),有(you)想法的(de)(de)可以(yi)來電模(mo)擬(ni)太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)!上海電池量子效(xiao)率測試模(mo)擬(ni)太(tai)(tai)(tai)陽(yang)(yang)(yang)光(guang)(guang)(guang)模(mo)擬(ni)
上海(hai)卡(ka)精(jing)智能科技(ji)有(you)限(xian)公司(si)致(zhi)力于提(ti)供模擬(ni)太(tai)(tai)(tai)陽光,有(you)想法可以(yi)來(lai)我司(si)模擬(ni)太(tai)(tai)(tai)陽光。高精(jing)度(du)模擬(ni)太(tai)(tai)(tai)陽光工程(cheng)廠家
太(tai)陽(yang)模(mo)擬(ni)(ni)器并不只是一(yi)個模(mo)擬(ni)(ni)太(tai)陽(yang)光的(de)光源(yuan),它(ta)還包(bao)括了一(yi)整(zheng)套的(de)測(ce)(ce)試系統。太(tai)陽(yang)電(dian)(dian)(dian)池(chi)是一(yi)種非線(xian)(xian)(xian)性(xing)(xing)元(yuan)件(jian),在(zai)電(dian)(dian)(dian)池(chi)/組件(jian)的(de)性(xing)(xing)能(neng)進(jin)行測(ce)(ce)試時,一(yi)般通過測(ce)(ce)試一(yi)整(zheng)條(tiao)IV曲(qu)(qu)線(xian)(xian)(xian)來(lai)判(pan)斷太(tai)陽(yang)電(dian)(dian)(dian)池(chi)的(de)性(xing)(xing)能(neng)。當前(qian)業界主要使用(yong)(yong)電(dian)(dian)(dian)子(zi)負載代替真(zhen)實負載進(jin)行IV曲(qu)(qu)線(xian)(xian)(xian)的(de)測(ce)(ce)試。對于脈沖(chong)式太(tai)陽(yang)模(mo)擬(ni)(ni)器,它(ta)只有數十毫(hao)秒甚(shen)至幾毫(hao)秒的(de)亞穩態恒定光強,要在(zai)如(ru)此(ci)短(duan)的(de)時間內(nei)完成整(zheng)條(tiao)IV曲(qu)(qu)線(xian)(xian)(xian)的(de)測(ce)(ce)試,這要求(qiu)使用(yong)(yong)快速電(dian)(dian)(dian)子(zi)負載。當前(qian)太(tai)陽(yang)電(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)流電(dian)(dian)(dian)壓特性(xing)(xing)曲(qu)(qu)線(xian)(xian)(xian)的(de)測(ce)(ce)試普(pu)遍(bian)采(cai)(cai)(cai)用(yong)(yong)四線(xian)(xian)(xian)制的(de)接(jie)法(fa),它(ta)可以消除(chu)接(jie)觸電(dian)(dian)(dian)阻的(de)影(ying)響(xiang)。為(wei)了得到精確的(de)IV曲(qu)(qu)線(xian)(xian)(xian),在(zai)電(dian)(dian)(dian)流采(cai)(cai)(cai)樣時普(pu)遍(bian)采(cai)(cai)(cai)用(yong)(yong)多點(dian)(dian)(dian)采(cai)(cai)(cai)用(yong)(yong),不同廠(chang)家的(de)模(mo)擬(ni)(ni)器采(cai)(cai)(cai)樣點(dian)(dian)(dian)數從幾百點(dian)(dian)(dian)到上萬點(dian)(dian)(dian),當采(cai)(cai)(cai)樣點(dian)(dian)(dian)數很大(da)時,這就要求(qiu)有更高(gao)位(wei)的(de)A/D轉換(huan)模(mo)塊(kuai),業界目前(qian)普(pu)遍(bian)采(cai)(cai)(cai)用(yong)(yong)10位(wei)到16位(wei)的(de)AD轉換(huan)器件(jian)。高(gao)精度模(mo)擬(ni)(ni)太(tai)陽(yang)光工程廠(chang)家
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河南EMS快遞國際物(wu)流防護措施
在寄送國(guo)際快遞中的液(ye)體、粉末(mo)、藥品(pin)(pin)、食品(pin)(pin)、化妝品(pin)(pin)、電(dian)池等(deng)特殊貨物(wu)時(shi),需要注意以下幾點,首先需要了解國(guo)際運(yun)輸規則和(he)目(mu)的地國(guo)家的相(xiang)關法(fa)規,特別是(shi)危險品(pin)(pin)運(yun)輸規則,確(que)保所寄送的物(wu)品(pin)(pin)符合規定。正確(que)包裝(zhuang)和(he)標(biao)記。對(dui) 。
在選擇適合的電動兩(liang)輪(lun)車防(fang)(fang)(fang)水連接(jie)器時,重要的因素包(bao)括密封性(xing)能、防(fang)(fang)(fang)水等級、耐高溫(wen)性(xing)能等。首(shou)先,密封性(xing)能決定了連接(jie)器是否能有效(xiao)(xiao)防(fang)(fang)(fang)止水分滲(shen)入(ru),而IP67防(fang)(fang)(fang)護的標準,可有效(xiao)(xiao)阻隔水與灰(hui)塵(chen)的浸入(ru)。另外(wai),由于電動車輛 。
銅閥(fa)門用特種(zhong)金(jin)屬波(bo)(bo)紋(wen)管(guan)材料(liao)的(de)發展方(fang)向(xiang)銅閥(fa)門適于(yu)生產(chan)波(bo)(bo)紋(wen)管(guan)的(de)材料(liao)必(bi)須具(ju)(ju)有良好(hao)的(de)塑性(xing)(xing)(xing)、高的(de)彈性(xing)(xing)(xing)極限、抗拉強度和疲勞(lao)強度,良好(hao)的(de)焊接性(xing)(xing)(xing)能,穩(wen)定的(de)彈性(xing)(xing)(xing)性(xing)(xing)(xing)能。奧氏體(ti)不銹(xiu)鋼因(yin)具(ju)(ju)有這些(xie)性(xing)(xing)(xing)能特點(dian),被用于(yu)制造(zao)波(bo)(bo)紋(wen)管(guan)。在 。
建(jian)材(cai)(cai)行(xing)(xing)業:振(zhen)(zhen)打裝置在建(jian)材(cai)(cai)行(xing)(xing)業中主(zhu)要(yao)用于(yu)砂石、水(shui)泥、混(hun)凝土等(deng)建(jian)材(cai)(cai)原(yuan)(yuan)料的篩分(fen)、輸(shu)送、混(hun)合等(deng)工藝(yi)。例如,振(zhen)(zhen)動篩分(fen)機(ji)可以用于(yu)砂石、水(shui)泥、混(hun)凝土等(deng)建(jian)材(cai)(cai)原(yuan)(yuan)料的篩分(fen)和分(fen)級,振(zhen)(zhen)動輸(shu)送機(ji)可以用于(yu)建(jian)材(cai)(cai)原(yuan)(yuan)料的輸(shu)送和加(jia)料,振(zhen)(zhen) 。
無(wu)鏈條自行車(che)使(shi)用的傳(chuan)(chuan)動軸(zhou)通常是(shi)一個中空的金屬(shu)軸(zhou),通常由鋁合(he)金或碳纖維材料(liao)制成(cheng)。這種(zhong)傳(chuan)(chuan)動軸(zhou)通常具(ju)有較高的強度(du)和剛度(du),同時(shi)也要輕(qing)量(liang)化以(yi)減少整車(che)重量(liang)。它的設計(ji)通常是(shi)圓(yuan)柱形,兩端有螺(luo)紋(wen)或其他連(lian)接方式(shi),以(yi)便與車(che) 。
光伏(fu)(fu)并網箱(xiang)是(shi)實(shi)現光伏(fu)(fu)發電(dian)(dian)系統與電(dian)(dian)網連接(jie)的(de)(de)(de)關(guan)鍵組(zu)件,主要(yao)包括光伏(fu)(fu)逆變(bian)(bian)器、保護裝(zhuang)置(zhi)(zhi)和(he)通信接(jie)口。光伏(fu)(fu)逆變(bian)(bian)器將光伏(fu)(fu)電(dian)(dian)池陣(zhen)列產生的(de)(de)(de)直(zhi)流電(dian)(dian)轉(zhuan)換為電(dian)(dian)網需(xu)要(yao)的(de)(de)(de)交流電(dian)(dian),并確保與電(dian)(dian)網的(de)(de)(de)頻(pin)率和(he)相位(wei)匹配。同時(shi),保護裝(zhuang)置(zhi)(zhi)監(jian)控電(dian)(dian) 。
代用茶(cha)屬(shu)于茶(cha)葉(xie)(xie)嗎(ma)?代用茶(cha)雖說名字(zi)中有(you)茶(cha)字(zi),但是從本質上(shang)(shang)來說,并不屬(shu)于茶(cha)葉(xie)(xie)一種(zhong),只是用茶(cha)葉(xie)(xie)的加(jia)工工藝制成而來,能(neng)夠像(xiang)茶(cha)葉(xie)(xie)一樣通(tong)過煮或是泡的方(fang)式飲用,不過在飲用方(fang)法上(shang)(shang)更加(jia)有(you)樂趣,既能(neng)單獨沖泡,也能(neng)搭配(pei)牛奶 。
它是(shi)由主梁(liang),端(duan)梁(liang)、電(dian)動葫蘆(lu)、小(xiao)車結(jie)構(gou)、車結(jie)構(gou)及電(dian)氣(qi)設備等(deng)組(zu)成。是(shi)經常(chang)用(yong)在(zai)光(guang)(guang)學、電(dian)子、光(guang)(guang)電(dian)、半導(dao)體、化學、化工、實驗(yan)室、食品、醫藥、航天、航空等(deng)行業(ye)中進行貨物(wu)起吊裝(zhuang)卸作業(ye)的重(zhong)要起重(zhong)設備。軸向載荷:作用(yong)在(zai) 。
木制(zhi)包(bao)裝的熏(xun)蒸現在(zai)主要有(you)兩種處理方法:熱處理和(he)用溴(xiu)甲烷(wan)熏(xun)蒸。 進行熱處理時,其木材中心溫度(du)應達到(dao) 56度(du),并至少(shao)保(bao)持30分鐘。進行溴(xiu)甲烷(wan)熏(xun)蒸時,木質包(bao)裝必須在(zai)密閉地方,于規定的溴(xiu)甲烷(wan)劑(ji)量下熏(xun)蒸至少(shao)16 。
當(dang)前(qian)世界各國所使用的25Cr2Mo1V軸承(cheng)鋼主要有5大類du,即高碳(tan)鉻25Cr2Mo1V軸承(cheng)鋼、zhi滲碳(tan)25Cr2Mo1V軸承(cheng)鋼、不銹25Cr2Mo1V軸承(cheng)鋼、高dao溫25Cr2Mo1V軸承(cheng)鋼、中(zhong) 。
家中經常燒熱(re)水的(de)朋友不難發現(xian),熱(re)水壺燒久了,壺內(nei)壁會積(ji)累一(yi)些厚厚的(de)水垢(gou),而水垢(gou)的(de)主要(yao)成分就是鈣鎂(mei)離子。除(chu)了熱(re)水壺,熱(re)水器、洗衣(yi)機等(deng)需要(yao)用水的(de)電(dian)器,都避免不了水垢(gou)的(de)產生,日(ri)積(ji)月累,就有可能損壞電(dian)器的(de)性能 。