使用(yong)單位(wei)或經銷(xiao)(xiao)商在日常采(cai)購(gou)(gou)(gou)(gou)中使用(yong)搜索引擎搜索生(sheng)產(chan)廠商并購(gou)(gou)(gou)(gou)買產(chan)品已經成為很多企(qi)(qi)業(ye)(ye)和經銷(xiao)(xiao)商的(de)(de)(de)主要采(cai)購(gou)(gou)(gou)(gou)手(shou)段。根據(ju)我們從事(shi)(shi)網絡營(ying)銷(xiao)(xiao)的(de)(de)(de)經歷,總結出以下(xia)幾點注意事(shi)(shi)項,希望能對采(cai)購(gou)(gou)(gou)(gou)的(de)(de)(de)企(qi)(qi)業(ye)(ye)起到一些幫助作用(yong)。1、采(cai)購(gou)(gou)(gou)(gou)的(de)(de)(de)產(chan)品型號規格、質量標準、技術參數應與采(cai)購(gou)(gou)(gou)(gou)計劃(hua)相(xiang)符。2、采(cai)購(gou)(gou)(gou)(gou)產(chan)品時(shi),就(jiu)是通過搜索引擎搜索自己(ji)需求的(de)(de)(de)產(chan)品,找出生(sheng)產(chan)和銷(xiao)(xiao)售該(gai)產(chan)品的(de)(de)(de)企(qi)(qi)業(ye)(ye),然后查(cha)(cha)(cha)看該(gai)生(sheng)產(chan)企(qi)(qi)業(ye)(ye)網站(zhan)是否經過其所在省份工(gong)信廳備案,并登錄查(cha)(cha)(cha)驗。3、查(cha)(cha)(cha)看該(gai)生(sheng)產(chan)企(qi)(qi)業(ye)(ye)網站(zhan)欄(lan)目(mu)配置、欄(lan)目(mu)內容是否足夠專(zhuan)業(ye)(ye),如大量出現與采(cai)購(gou)(gou)(gou)(gou)產(chan)品無關、雜亂無章的(de)(de)(de),聯系地(di)址(zhi)標明xxx工(gong)業(ye)(ye)區、示范園(yuan)而沒有(you)路牌號的(de)(de)(de),只(zhi)有(you)手(shou)機號碼而沒有(you)固定(ding)電話、傳真地(di)的(de)(de)(de),足可認定(ding)該(gai)生(sheng)產(chan)企(qi)(qi)業(ye)(ye)為非正規的(de)(de)(de)家庭作坊,不宜作為采(cai)購(gou)(gou)(gou)(gou)對象。
是由管(guan)(guan)體(ti)(ti)(ti)(ti)、前(qian)(qian)(qian)錐(zhui)(zhui)形(xing)(xing)定(ding)格帽、后(hou)定(ding)格堵構成(cheng),管(guan)(guan)體(ti)(ti)(ti)(ti)為塑性材料制成(cheng),呈管(guan)(guan)狀,管(guan)(guan)體(ti)(ti)(ti)(ti)外(wai)徑(jing)(jing)(jing)小于(yu)(yu)正常炮(pao)眼內徑(jing)(jing)(jing),長度(du)可(ke)隨爆破需(xu)要生產,管(guan)(guan)體(ti)(ti)(ti)(ti)兩(liang)端各(ge)有(you)(you)(you)(you)外(wai)螺(luo)(luo)紋,兩(liang)端外(wai)螺(luo)(luo)紋間(jian)(jian)有(you)(you)(you)(you)一縱向切(qie)(qie)縫,切(qie)(qie)縫間(jian)(jian)等距有(you)(you)(you)(you)加強筋,前(qian)(qian)(qian)錐(zhui)(zhui)形(xing)(xing)定(ding)格帽呈傘狀,傘形(xing)(xing)尖有(you)(you)(you)(you)一光孔,兩(liang)側(ce)直(zhi)壁內徑(jing)(jing)(jing)有(you)(you)(you)(you)螺(luo)(luo)紋,與管(guan)(guan)體(ti)(ti)(ti)(ti)外(wai)徑(jing)(jing)(jing)前(qian)(qian)(qian)端螺(luo)(luo)紋配合(he)(he),帽體(ti)(ti)(ti)(ti)外(wai)徑(jing)(jing)(jing)大于(yu)(yu)管(guan)(guan)體(ti)(ti)(ti)(ti),后(hou)定(ding)格堵為一封蓋(gai),外(wai)徑(jing)(jing)(jing)直(zhi)徑(jing)(jing)(jing)大于(yu)(yu)管(guan)(guan)體(ti)(ti)(ti)(ti)外(wai)徑(jing)(jing)(jing),與前(qian)(qian)(qian)錐(zhui)(zhui)形(xing)(xing)定(ding)格帽外(wai)徑(jing)(jing)(jing)一致(zhi),后(hou)定(ding)格堵內徑(jing)(jing)(jing)有(you)(you)(you)(you)螺(luo)(luo)紋,與管(guan)(guan)體(ti)(ti)(ti)(ti)外(wai)徑(jing)(jing)(jing)后(hou)端螺(luo)(luo)紋配合(he)(he)。可(ke)根據(ju)炮(pao)眼深(shen)度(du)采用合(he)(he)適的(de)聚能管(guan)(guan)管(guan)(guan)體(ti)(ti)(ti)(ti),不需(xu)其他工具幫(bang)助送入炮(pao)眼,切(qie)(qie)縫方向準(zhun)確(que),兩(liang)端的(de)前(qian)(qian)(qian)錐(zhui)(zhui)形(xing)(xing)定(ding)格帽和后(hou)定(ding)格堵外(wai)徑(jing)(jing)(jing)與炮(pao)眼內徑(jing)(jing)(jing)一致(zhi),保(bao)證聚能管(guan)(guan)管(guan)(guan)體(ti)(ti)(ti)(ti)同(tong)心,定(ding)向準(zhun)確(que)。且利于(yu)(yu)工業化生產,作業安(an)全
采用(yong)一(yi)種(zhong)抗(kang)靜電阻燃的(de)(de)特種(zhong)塑(su)料管、異形雙槽聚能(neng)(neng)管,根據炮眼深度可(ke)(ke)長可(ke)(ke)短。是兩(liang)個相似半(ban)壁管組成(cheng)(cheng),半(ban)壁管中央有個凹(ao)進去(qu)的(de)(de)槽叫(jiao)做(zuo)'聚能(neng)(neng)槽",使(shi)用(yong)聚能(neng)(neng)管光面(mian)爆破(po)(po)(po)(po)成(cheng)(cheng)型效(xiao)果好,開挖(wa)(wa)輪廓線平順(shun)整齊,圍巖擾動(dong)減(jian)(jian)(jian)少、超欠挖(wa)(wa)明(ming)顯改(gai)善,有利于支護工(gong)序(xu)施工(gong),同時混凝土回填成(cheng)(cheng)本(ben)(ben)大(da)為降低(di)。鑿孔(kong)率減(jian)(jian)(jian)少30%,大(da)大(da)降低(di)了(le)爆破(po)(po)(po)(po)作業工(gong)班的(de)(de)勞動(dong)量:鉆孔(kong)縮短30分鐘(zhong)、少打眼、出渣量減(jian)(jian)(jian)少,降低(di)了(le)材料成(cheng)(cheng)本(ben)(ben)、減(jian)(jian)(jian)少工(gong)時消耗、勞動(dong)效(xiao)率明(ming)顯提高(gao),周邊(bian)眼爆破(po)(po)(po)(po)成(cheng)(cheng)本(ben)(ben)降低(di)30%以上(shang),半(ban)眼痕保留率高(gao)達85%以上(shang)。pvc爆破(po)(po)(po)(po)聚能(neng)(neng)管主(zhu)要(yao)應用(yong)于隧道、煤礦、鐵礦等需要(yao)進行光面(mian)爆破(po)(po)(po)(po)施工(gong)的(de)(de)工(gong)程。采用(yong)聚能(neng)(neng)管的(de)(de)光面(mian)爆破(po)(po)(po)(po)可(ke)(ke)減(jian)(jian)(jian)少鉆孔(kong),擴大(da)孔(kong)距(ju),減(jian)(jian)(jian)少導爆管用(yong)量,減(jian)(jian)(jian)少超挖(wa)(wa),減(jian)(jian)(jian)少噴漿,提高(gao)半(ban)孔(kong)率,既節省了(le)成(cheng)(cheng)本(ben)(ben)又提高(gao)了(le)施工(gong)效(xiao)率。
一(yi)(yi)、查驗(yan)生(sheng)產(chan)(chan)企業(ye)資質(zhi):1、經(jing)(jing)過(guo)歷年(nian)(nian)年(nian)(nian)審的(de)(de)(de)(de)法(fa)人(ren)(ren)(ren)營業(ye)執照:一(yi)(yi)般情況(kuang)下(xia),個(ge)(ge)體(ti)(ti)工(gong)商戶、個(ge)(ge)人(ren)(ren)(ren)獨(du)資企業(ye)注(zhu)冊資金低于人(ren)(ren)(ren)民(min)幣五十萬元的(de)(de)(de)(de)即(ji)可認定(ding)(ding)為(wei)(wei)家庭作坊式廠家。2、具(ju)備一(yi)(yi)般納稅(shui)人(ren)(ren)(ren)資格的(de)(de)(de)(de)稅(shui)務(wu)登記(ji)證(zheng)(zheng):企業(ye)產(chan)(chan)品(pin)(pin)(pin)年(nian)(nian)度銷售額達(da)到(dao)或超過(guo)一(yi)(yi)定(ding)(ding)金額(以(yi)稅(shui)務(wu)發(fa)票開具(ju)數額為(wei)(wei)準)并(bing)經(jing)(jing)主管(guan)稅(shui)務(wu)機(ji)關核準、具(ju)備獨(du)立的(de)(de)(de)(de)開票場(chang)所、專(zhuan)職(zhi)會計(ji)及相應的(de)(de)(de)(de)辦稅(shui)機(ji)具(ju)才能(neng)升級為(wei)(wei)一(yi)(yi)般納稅(shui)人(ren)(ren)(ren)企業(ye)。3、經(jing)(jing)過(guo)歷年(nian)(nian)年(nian)(nian)審的(de)(de)(de)(de)組織機(ji)構代(dai)(dai)碼證(zheng)(zheng):組織機(ji)構代(dai)(dai)碼證(zheng)(zheng)是中華人(ren)(ren)(ren)民(min)共和國(guo)境內始終不(bu)變的(de)(de)(de)(de)法(fa)定(ding)(ding)代(dai)(dai)碼標(biao)(biao)識,未經(jing)(jing)年(nian)(nian)度審驗(yan)的(de)(de)(de)(de),可視為(wei)(wei)非法(fa)機(ji)構。4、國(guo)家強(qiang)制(zhi)性產(chan)(chan)品(pin)(pin)(pin)認證(zheng)(zheng)證(zheng)(zheng)書(shu):一(yi)(yi)般情況(kuang)下(xia),所有(you)的(de)(de)(de)(de)電(dian)線電(dian)纜生(sheng)產(chan)(chan)企業(ye)只要生(sheng)產(chan)(chan)國(guo)家強(qiang)制(zhi)性產(chan)(chan)品(pin)(pin)(pin)認證(zheng)(zheng)范圍內產(chan)(chan)品(pin)(pin)(pin)的(de)(de)(de)(de)必須通過(guo)國(guo)家強(qiang)制(zhi)性產(chan)(chan)品(pin)(pin)(pin)認證(zheng)(zheng)(CCC)。依基(ji)本常識判斷,既然單(dan)位名稱為(wei)(wei)“xxx電(dian)線廠”“xxx線纜廠”,其(qi)產(chan)(chan)品(pin)(pin)(pin)未通過(guo)或從(cong)未通過(guo)國(guo)家強(qiang)制(zhi)性產(chan)(chan)品(pin)(pin)(pin)認證(zheng)(zheng),證(zheng)(zheng)明其(qi)硬(ying)件、軟件設施(shi)及人(ren)(ren)(ren)員配備根本達(da)不(bu)到(dao)一(yi)(yi)個(ge)(ge)合格的(de)(de)(de)(de)電(dian)線電(dian)纜生(sheng)產(chan)(chan)廠家應具(ju)備的(de)(de)(de)(de)條件。5、國(guo)際(ji)(ji)質(zhi)量(liang)體(ti)(ti)系認證(zheng)(zheng)證(zheng)(zheng)書(shu):ISO國(guo)際(ji)(ji)質(zhi)量(liang)體(ti)(ti)系認證(zheng)(zheng)是一(yi)(yi)個(ge)(ge)企業(ye)整(zheng)體(ti)(ti)素質(zhi)、產(chan)(chan)品(pin)(pin)(pin)質(zhi)量(liang)管(guan)理水(shui)平以(yi)及服務(wu)水(shui)平的(de)(de)(de)(de)標(biao)(biao)志。6、開戶許(xu)可證(zheng)(zheng)。
棗莊o型聚能管的軍事應用:聚能爆破技術,早在二次世界大戰期間就在軍事方面廣泛應用。國內在聚能破甲技術如大錐角反艦導彈戰斗部和大錐角反坦克地雷以及敏感彈戰斗部等方面取得了較為快速的發展,我國20世紀60年代打破國外技術封鎖獨立自主研發成功原子彈就是得力于聚能爆破技術轟擊核裝置而引爆原子彈。專業o型聚能管的(de)民爆應(ying)(ying)(ying)用(yong)——切槽爆破(po)技(ji)術:聚能爆破(po)用(yong)于工程建(jian)設也是(shi)20世紀60年代(dai)開始(shi)的(de),首先(xian)是(shi)瑞典(dian)的(de)U﹒Langefors提出孔壁切槽爆破(po)利用(yong)槽口應(ying)(ying)(ying)力集中定向開裂的(de)設想,后(hou)經W﹒L﹒Fourney驗證(zheng)是(shi)有效的(de)。70年代(dai)國外(wai)廣泛(fan)研究和(he)應(ying)(ying)(ying)用(yong)了切槽爆破(po)技(ji)術。
給大家(jia)介紹下爆破(po)聚能(neng)管(guan)的(de)(de)技術原(yuan)(yuan)理∶炸(zha)(zha)藥爆炸(zha)(zha)產(chan)生(sheng)(sheng)的(de)(de)爆轟(hong)波通(tong)過聚能(neng)管(guan)的(de)(de)聚能(neng)槽,將炸(zha)(zha)藥的(de)(de)動能(neng)、勢能(neng)轉換成高壓(ya)(ya)、高速、高能(neng)的(de)(de)射流,切割演示成縫(feng)。射流在孔壁產(chan)生(sheng)(sheng)射流壓(ya)(ya)力(li)達(da)7000MPa,巖(yan)石動載抗(kang)壓(ya)(ya)強度為(wei)(wei)(wei)200MPa,抗(kang)拉為(wei)(wei)(wei)1/8~1/10的(de)(de)抗(kang)壓(ya)(ya)強度,相鄰兩(liang)(liang)炮孔互為(wei)(wei)(wei)鄰空面,疊加后的(de)(de)壓(ya)(ya)縮波變為(wei)(wei)(wei)稀(xi)疏波,在兩(liang)(liang)炮眼連線(xian)上使(shi)巖(yan)石結構斷裂,形成裂紋。準靜態氣(qi)體膨脹,靜態壓(ya)(ya)力(li)在兩(liang)(liang)炮孔最短連線(xian)兩(liang)(liang)側產(chan)生(sheng)(sheng)拉力(li)使(shi)巖(yan)石裂縫(feng)進(jin)一(yi)步擴展。根據爆破(po)應力(li)集(ji)中(zhong)氣(qi)刃作用(yong)原(yuan)(yuan)則,爆破(po)氣(qi)體沿裂縫(feng)進(jin)一(yi)步擴大貫通(tong),拋落巖(yan)石。