使用單(dan)位(wei)或經(jing)(jing)銷(xiao)(xiao)商(shang)在(zai)日常采(cai)(cai)購(gou)中使用搜索(suo)引(yin)(yin)擎(qing)搜索(suo)生(sheng)(sheng)(sheng)產(chan)廠(chang)商(shang)并(bing)購(gou)買產(chan)品(pin)已經(jing)(jing)成為很多企(qi)業(ye)(ye)和(he)經(jing)(jing)銷(xiao)(xiao)商(shang)的(de)主(zhu)要采(cai)(cai)購(gou)手段。根(gen)據我們(men)從事網(wang)(wang)絡(luo)營銷(xiao)(xiao)的(de)經(jing)(jing)歷，總結出(chu)以下幾點(dian)注(zhu)意事項(xiang)，希望能對采(cai)(cai)購(gou)的(de)企(qi)業(ye)(ye)起到一(yi)些幫助作用。1、采(cai)(cai)購(gou)的(de)產(chan)品(pin)型號規格、質量標準、技術參(can)數(shu)應(ying)與采(cai)(cai)購(gou)計劃相符。2、采(cai)(cai)購(gou)產(chan)品(pin)時，就是(shi)通過搜索(suo)引(yin)(yin)擎(qing)搜索(suo)自己需求(qiu)的(de)產(chan)品(pin)，找(zhao)出(chu)生(sheng)(sheng)(sheng)產(chan)和(he)銷(xiao)(xiao)售該(gai)(gai)產(chan)品(pin)的(de)企(qi)業(ye)(ye)，然后查(cha)看該(gai)(gai)生(sheng)(sheng)(sheng)產(chan)企(qi)業(ye)(ye)網(wang)(wang)站是(shi)否經(jing)(jing)過其所在(zai)省份工信廳(ting)備(bei)案，并(bing)登錄(lu)查(cha)驗。3、查(cha)看該(gai)(gai)生(sheng)(sheng)(sheng)產(chan)企(qi)業(ye)(ye)網(wang)(wang)站欄目配置、欄目內容(rong)是(shi)否足夠專業(ye)(ye)，如大(da)量出(chu)現與采(cai)(cai)購(gou)產(chan)品(pin)無關(guan)、雜亂無章(zhang)的(de)，聯系地(di)址標明xxx工業(ye)(ye)區、示范園而沒有(you)路牌號的(de)，只有(you)手機號碼而沒有(you)固(gu)定電話、傳真(zhen)地(di)的(de)，足可認定該(gai)(gai)生(sheng)(sheng)(sheng)產(chan)企(qi)業(ye)(ye)為非正規的(de)家庭作坊，不宜作為采(cai)(cai)購(gou)對象。

水壓光面爆(bao)(bao)破(po)(po)技術，是在水壓光面爆(bao)(bao)破(po)(po)技術基礎上發展起(qi)來的(de)(de)一項新技術，其掏槽(cao)眼、輔助眼裝藥結構和(he)(he)爆(bao)(bao)破(po)(po)方(fang)式與水壓光面爆(bao)(bao)破(po)(po)相同(tong)，但在周邊眼中安裝專(zhuan)用(yong)(yong)聚(ju)(ju)能(neng)管(guan)裝置替(ti)代常規爆(bao)(bao)破(po)(po)藥卷(juan)和(he)(he)傳爆(bao)(bao)線，利(li)用(yong)(yong)聚(ju)(ju)能(neng)管(guan)產生的(de)(de)粒子射流動能(neng)、高壓爆(bao)(bao)破(po)(po)氣體應(ying)力及“氣楔”作(zuo)用(yong)(yong)，形成平整圓順(shun)的(de)(de)開挖(wa)輪(lun)廓面，對(dui)控(kong)制(zhi)超欠(qian)挖(wa)具有(you)良好效(xiao)(xiao)果，有(you)效(xiao)(xiao)提升了隧道施工質量、進度和(he)(he)經濟效(xiao)(xiao)益。科(ke)學合理地(di)利(li)用(yong)(yong)能(neng)源(yuan)，提高能(neng)源(yuan)利(li)用(yong)(yong)效(xiao)(xiao)率，對(dui)節能(neng)減(jian)排也十分重要(yao)。利(li)用(yong)(yong)聚(ju)(ju)能(neng)管(guan)兩端的(de)(de)水平開出的(de)(de)聚(ju)(ju)能(neng)槽(cao)產生的(de)(de)聚(ju)(ju)能(neng)射流效(xiao)(xiao)應(ying)對(dui)巖石進行破(po)(po)碎。據專(zhuan)家測(ce)算，由于聚(ju)(ju)能(neng)管(guan)兩端聚(ju)(ju)能(neng)槽(cao)產生的(de)(de)聚(ju)(ju)能(neng)切割效(xiao)(xiao)應(ying)，其能(neng)效(xiao)(xiao)比提升一個量級。

專業多向聚能管光面爆破技術優勢：相對于傳統爆破工藝，聚能管光面爆破比常規爆破具有以下優勢∶少打眼，少裝藥。節約周邊鉆孔量50%，總鉆孔進尺減少30%；節約炸藥10～20%，雷管30%。節約噴漿料15-20%。節省時間∶每循環鉆孔、裝藥、噴漿時間1.5-2.0小時。多向聚能管公司在安(an)全(quan)方面(mian)(mian)利用(yong)水沙袋(dai)替代炮泥，以避(bi)免搗(dao)炮泥損毀電雷(lei)管導線，造成(cheng)(cheng)瞎(xia)炮。大(da)(da)(da)大(da)(da)(da)減少(shao)對圍巖(yan)擾動，光面(mian)(mian)效果好，巖(yan)性(xing)條件(jian)差(cha)情況下(xia)可(ke)以大(da)(da)(da)大(da)(da)(da)減少(shao)超挖量，控制巷道成(cheng)(cheng)型；巖(yan)性(xing)完整無節理情況下(xia)眼痕(hen)率可(ke)以達到90%以上，巷道成(cheng)(cheng)型好，穩定性(xing)強(qiang)。布(bu)孔(kong)方式(shi)優化成(cheng)(cheng)多排掏槽布(bu)孔(kong)，單(dan)次掘進深度可(ke)以優化提高10%到15%不(bu)等。由(you)于炮孔(kong)數(shu)量大(da)(da)(da)大(da)(da)(da)減少(shao)可(ke)以考慮一(yi)起全(quan)斷(duan)面(mian)(mian)起爆，節省放炮時間(jian)。

預裂(lie)與光(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)技術的(de)(de)(de)(de)歷史與現(xian)狀：預裂(lie)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)是沿(yan)設計開挖邊界(jie)布(bu)置密(mi)集(ji)炮孔(kong)(kong)，采(cai)(cai)取不(bu)(bu)耦(ou)合(he)裝藥(yao)或裝填(tian)低威力炸藥(yao)，在主(zhu)爆(bao)(bao)(bao)(bao)區之前起爆(bao)(bao)(bao)(bao)，從(cong)而在爆(bao)(bao)(bao)(bao)區與保留(liu)區之間形(xing)成(cheng)(cheng)預裂(lie)縫，以(yi)減弱主(zhu)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)對保留(liu)巖體的(de)(de)(de)(de)破(po)(po)(po)(po)壞并(bing)形(xing)成(cheng)(cheng)平(ping)整輪廓(kuo)面(mian)(mian)的(de)(de)(de)(de)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)作業。光(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)是沿(yan)設計開挖邊界(jie)布(bu)設密(mi)集(ji)炮孔(kong)(kong)，采(cai)(cai)用不(bu)(bu)耦(ou)合(he)裝藥(yao)或裝填(tian)低威力炸藥(yao)，在主(zhu)爆(bao)(bao)(bao)(bao)區爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)之后(hou)起爆(bao)(bao)(bao)(bao)的(de)(de)(de)(de)以(yi)形(xing)成(cheng)(cheng)平(ping)整的(de)(de)(de)(de)開挖輪廓(kuo)面(mian)(mian)的(de)(de)(de)(de)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)作業。爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)技術的(de)(de)(de)(de)發展是先(xian)出現(xian)光(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)，然(ran)后(hou)衍(yan)生(sheng)發展為預裂(lie)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)。聚能管國內歷史與現(xian)狀，我國于1964～1965年(nian)(nian)在湖(hu)北陸水(shui)水(shui)電站施工中(zhong)做過(guo)淺孔(kong)(kong)預裂(lie)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)試驗，1965年(nian)(nian)鐵道部門在成(cheng)(cheng)昆(kun)鐵路建設中(zhong)開始試驗光(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)，1977年(nian)(nian)在西延線張家船(chuan)工點，全長近200m的(de)(de)(de)(de)2000m2路塹邊坡全部采(cai)(cai)用光(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)，爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)后(hou)邊坡平(ping)整穩(wen)定，殘留(liu)的(de)(de)(de)(de)半孔(kong)(kong)清晰可(ke)見(jian)，是鐵路建設中(zhong)采(cai)(cai)用路塹光(guang)面(mian)(mian)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)。

在(zai)工(gong)程(cheng)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)中(zhong)，常用(yong)(yong)的起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)方(fang)法有(you)(you)(you)：電(dian)(dian)(dian)力起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法、導火索起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法、導爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)索起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法、導爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)管起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法。電(dian)(dian)(dian)力起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法是(shi)(shi)利用(yong)(yong)電(dian)(dian)(dian)能使(shi)雷管爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸，進(jin)而起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸藥的起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)芳法。它所(suo)需的器材(cai)有(you)(you)(you)：電(dian)(dian)(dian)雷管、導線(xian)和起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)電(dian)(dian)(dian)源。電(dian)(dian)(dian)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)網路的連(lian)接(jie)形(xing)式，要根據爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)方(fang)法、爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)規模(mo)、工(gong)程(cheng)的重(zhong)要性、所(suo)選起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)電(dian)(dian)(dian)源及其起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)能力等(deng)進(jin)行(xing)選擇，基本連(lian)接(jie)方(fang)式有(you)(you)(you)：串聯、并聯、串并聯和并串聯等(deng)。電(dian)(dian)(dian)力起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)法具(ju)有(you)(you)(you)較(jiao)安全、可靠、準確、高(gao)效等(deng)優點，在(zai)國(guo)內外仍(reng)占(zhan)有(you)(you)(you)較(jiao)大比(bi)重(zhong)。在(zai)大、中(zhong)型爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)破(po)中(zhong)，主要仍(reng)是(shi)(shi)用(yong)(yong)電(dian)(dian)(dian)力起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)。特別是(shi)(shi)在(zai)有(you)(you)(you)瓦斯、礦塵爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)炸的環(huan)境(jing)中(zhong)，電(dian)(dian)(dian)力起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)是(shi)(shi)主要的起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)方(fang)法。但電(dian)(dian)(dian)力起(qi)(qi)(qi)爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)容易受各種電(dian)(dian)(dian)信號的干擾而發(fa)生早爆(bao)(bao)(bao)(bao)(bao)(bao)(bao)，因此在(zai)有(you)(you)(you)雜散(san)電(dian)(dian)(dian)、靜電(dian)(dian)(dian)、雷電(dian)(dian)(dian)、射頻(pin)電(dian)(dian)(dian)、高(gao)壓感應(ying)電(dian)(dian)(dian)的環(huan)境(jing)中(zhong)，不能使(shi)用(yong)(yong)普(pu)通電(dian)(dian)(dian)雷管。