青青久在线视频,亚洲第一区精品日韩在线播放,国产高清在线精品一区二区,午夜精品久久久久久,久久国产成人福利播放,国产亚洲精aa在线观看不卡,日韩成人在线播放

建議反饋
公司介紹 技術(shù)型人才(398)
當(dāng)前位置:首頁(yè)>找工作>中鐵九局集團(tuán)有限公司
中鐵九局集團(tuán)有限公司 該企業(yè)已通過(guò)營(yíng)業(yè)執(zhí)照審核
國(guó)有企業(yè) · 1000人以上 · 工程施工,市政路橋,軌道交通
398
在招職位
公司介紹 技術(shù)型人才(398)
公司簡(jiǎn)介
  一、公司簡(jiǎn)介
  中鐵九局集團(tuán)有限公司系國(guó)家監(jiān)管的中央企業(yè),隸屬于世界500強(qiáng)企業(yè)中國(guó)中鐵股份有限公司。是集設(shè)計(jì)、施工、科研、房地產(chǎn)開(kāi)發(fā)為一體的,東北地區(qū)唯一一家綜合型多功能、大型企業(yè)集團(tuán)。
  中鐵九局總部設(shè)在沈陽(yáng),現(xiàn)有員工1萬(wàn)余人,下設(shè)9家子分公司,擁有鐵路工程、公路工程、建筑工程、市政公用工程施工總承包特級(jí)資質(zhì)等三十余項(xiàng)資質(zhì),是東北地區(qū)唯一一家“四特四甲”建筑施工企業(yè)。
  中鐵九局承建的工程項(xiàng)目遍布全國(guó)31個(gè)省、自治區(qū)、直轄市,成功進(jìn)入了亞洲、非洲、南美洲和歐洲等海外市場(chǎng),作為中方企業(yè)牽頭單位中標(biāo)匈塞鐵路,成功打入歐盟市場(chǎng)。先后榮獲國(guó)家魯班獎(jiǎng)、詹天佑獎(jiǎng)、國(guó)家優(yōu)質(zhì)工程等榮譽(yù)幾十余項(xiàng)。主編國(guó)家行業(yè)標(biāo)準(zhǔn)2項(xiàng)、參編5項(xiàng);獲國(guó)家工法、省部級(jí)工法200余項(xiàng);取得省部及國(guó)家認(rèn)可的社會(huì)力量科技進(jìn)步獎(jiǎng)50余項(xiàng),有效發(fā)明及實(shí)用新型自主知識(shí)產(chǎn)權(quán)100余項(xiàng)。連續(xù)多年被遼寧省和沈陽(yáng)市評(píng)為守合同重信用單位;多次被評(píng)為全國(guó)工程建設(shè)質(zhì)量管理優(yōu)秀企業(yè)、中國(guó)建筑業(yè)競(jìng)爭(zhēng)力百?gòu)?qiáng)企業(yè)、遼寧省十強(qiáng)企業(yè)及遼寧省用戶(hù)滿(mǎn)意企業(yè)。
  中鐵九局始終堅(jiān)持弘揚(yáng)“勇于跨越、追求卓越”企業(yè)精神,秉承“建造精品、創(chuàng)造價(jià)值”企業(yè)宗旨,踐行“爭(zhēng)先務(wù)實(shí)創(chuàng)新共贏致遠(yuǎn)”核心價(jià)值觀,愿與社會(huì)各界朋友精誠(chéng)合作,攜手共建輝煌業(yè)績(jī)、共創(chuàng)和諧美好未來(lái)!
  二、招聘基本條件要求
1.具有良好的政治素質(zhì),遵守國(guó)家法律法規(guī),品行端正,無(wú)違法違紀(jì)行為。
2.具有較強(qiáng)的事業(yè)心和責(zé)任感,工作踏實(shí)肯干、認(rèn)真負(fù)責(zé),能夠吃苦耐勞;具有良好的團(tuán)隊(duì)合作精神、溝通協(xié)調(diào)能力。
3.認(rèn)同中鐵九局企業(yè)文化,能夠適應(yīng)建筑施工企業(yè)工作環(huán)境。
4.熟悉建筑行業(yè)狀況及政策法規(guī),具備履行崗位職責(zé)所必需的專(zhuān)業(yè)知識(shí)和業(yè)務(wù)工作能力。
5.身心健康,抗壓能力強(qiáng),可以長(zhǎng)期駐外,能夠勝任崗位要求。
6.全日制本科及以上學(xué)歷。
7.具有施工現(xiàn)場(chǎng)基層工作經(jīng)歷者優(yōu)先;具有一級(jí)建造師執(zhí)業(yè)資格者優(yōu)先。
  三、應(yīng)聘程序
1.個(gè)人報(bào)名。有意應(yīng)聘者請(qǐng)?zhí)顚?xiě)《中鐵九局社會(huì)公開(kāi)招聘報(bào)名表》及《匯總表》(附件2、3),并以電子郵件方式投遞至招聘郵箱,同時(shí)附相關(guān)證明材料(身份證、畢業(yè)證、學(xué)位證、職稱(chēng)證、執(zhí)業(yè)資格證、近年來(lái)主要工作業(yè)績(jī)及獎(jiǎng)勵(lì)證明材料)。其他方式投遞簡(jiǎn)歷均視為無(wú)效。郵件主題格式為:“姓名”-“學(xué)?!?“專(zhuān)業(yè)”-“意向公司”。個(gè)人報(bào)名截止日期為2023年12月31日。
2.資格審查。通過(guò)個(gè)人應(yīng)聘材料審查是否具備應(yīng)聘資格,并將根據(jù)需要,通過(guò)電話(huà)了解應(yīng)聘人員其他情況。對(duì)初審符合條件者,將以電話(huà)、短信或電子郵件等方式通知筆試、面試時(shí)間及地點(diǎn)安排,請(qǐng)注意接聽(tīng)電話(huà)或查收信息。
3.筆試面試。筆試內(nèi)容主要為相關(guān)崗位通用的基本理論和專(zhuān)業(yè)知識(shí)。面試主要對(duì)專(zhuān)業(yè)知識(shí)、業(yè)務(wù)能力、綜合素質(zhì)等進(jìn)行測(cè)試與評(píng)估。
4.組織考察。對(duì)于通過(guò)筆試面試的人選,按照相關(guān)程序組織考察、背景調(diào)查。
5.錄用入職。對(duì)于考察合格人選,將辦理入職手續(xù)。
  四、薪酬待遇
按照中鐵九局現(xiàn)行薪酬管理規(guī)定執(zhí)行。國(guó)內(nèi)崗位月工資在8000-13000元之間,國(guó)外崗位月工資在23000元以上。
  附件:
 1.中鐵九局社會(huì)公開(kāi)招聘報(bào)名表
   2.中鐵九局社會(huì)公開(kāi)招聘報(bào)名匯總表
工商備案信息
公司全稱(chēng):中鐵九局集團(tuán)有限公司
法人代表:張文杰成立日期:1991-12-05注冊(cè)資本:250000.0049萬(wàn)人民幣
經(jīng)營(yíng)狀態(tài):存續(xù)
企業(yè)類(lèi)型:有限責(zé)任公司(非自然人投資或控股的法人獨(dú)資)
注冊(cè)地址:

沈陽(yáng)市沈河區(qū)敬賓街3-1號(hào)

經(jīng)營(yíng)范圍:

許可項(xiàng)目:建設(shè)工程施工,住宅室內(nèi)裝飾裝修,對(duì)外勞務(wù)合作,建設(shè)工程質(zhì)量檢測(cè),測(cè)繪服務(wù),建設(shè)工程勘察,建設(shè)工程設(shè)計(jì),水利工程質(zhì)量檢測(cè),人防工程設(shè)計(jì),特種設(shè)備安裝改造修理,特種設(shè)備檢驗(yàn)檢測(cè),預(yù)應(yīng)力混凝土鐵路橋梁簡(jiǎn)支梁產(chǎn)品生產(chǎn)(依法須經(jīng)批準(zhǔn)的項(xiàng)目,經(jīng)相關(guān)部門(mén)批準(zhǔn)后方可開(kāi)展經(jīng)營(yíng)活動(dòng),具體經(jīng)營(yíng)項(xiàng)目以審批結(jié)果為準(zhǔn))一般項(xiàng)目:水泥制品制造,土石方工程施工,園林綠化工程施工,普通機(jī)械設(shè)備安裝服務(wù),對(duì)外承包工程,貨物進(jìn)出口,技術(shù)進(jìn)出口,公路水運(yùn)工程試驗(yàn)檢測(cè)服務(wù),工程管理服務(wù),工程技術(shù)服務(wù)(規(guī)劃管理、勘察、設(shè)計(jì)、監(jiān)理除外),特種設(shè)備出租,機(jī)械設(shè)備租賃,建筑工程機(jī)械與設(shè)備租賃,水泥制品銷(xiāo)售,砼結(jié)構(gòu)構(gòu)件制造,砼結(jié)構(gòu)構(gòu)件銷(xiāo)售,建筑砌塊制造,建筑砌塊銷(xiāo)售,建筑材料銷(xiāo)售,建筑用鋼筋產(chǎn)品銷(xiāo)售,金屬材料銷(xiāo)售,租賃服務(wù)(不含許可類(lèi)租賃服務(wù))(除依法須經(jīng)批準(zhǔn)的項(xiàng)目外,憑營(yíng)業(yè)執(zhí)照依法自主開(kāi)展經(jīng)營(yíng)活動(dòng))

信息來(lái)源:
公司地址

遼寧省沈陽(yáng)市和平區(qū)勝利南街46號(hào)[顯示地圖]

聯(lián)系方式

024-2397

ztjjsm

http://9j.crec.cn/

 110051

注: 在郵件中注明應(yīng)聘職位的名稱(chēng),并注明招聘信息來(lái)源于buildhr.com
其他相似職位
三年以上 · 高中及以上 · 內(nèi)蒙古-赤峰市
五年以上 · 大專(zhuān)及以上 · 寧夏-中衛(wèi)市
五年以上 · 大專(zhuān)及以上 · 北京
十五年以上 · 本科及以上 · 北京-通州區(qū)
十年以上 · 本科及以上 · 湖北-武漢市
不限 · 初中及以上 · 內(nèi)蒙古-赤峰市
[{"id":"000","name":"學(xué)歷不限"},{"id":"10","name":"無(wú)要求"},{"id":"11","name":"初中"},{"id":"12","name":"高中"},{"id":"13","name":"中技"},{"id":"14","name":"中專(zhuān)"},{"id":"15","name":"大專(zhuān)"},{"id":"16","name":"本科"},{"id":"17","name":"碩士"},{"id":"18","name":"MBA"},{"id":"19","name":"博士"},{"id":"20","name":"博士后"},{"id":"21","name":"其他"}]
[{"id":"000","name":"職稱(chēng)不限"},{"id":"11","name":"初級(jí)職稱(chēng)"},{"id":"12","name":"中級(jí)職稱(chēng)"},{"id":"13","name":"高級(jí)職稱(chēng)"}]
[{"id":"000","name":"薪資不限"},{"id":"10","name":"2000以下"},{"id":"11","name":"2000-4000"},{"id":"12","name":"4000-6000"},{"id":"13","name":"6000-8000"},{"id":"14","name":"8000-10000"},{"id":"15","name":"10000-15000"},{"id":"16","name":"15000-20000"},{"id":"17","name":"20000-30000"},{"id":"18","name":"30000-50000"},{"id":"19","name":"50000以上"}]
[{"id":"000","name":"經(jīng)驗(yàn)不限"},{"id":"11","name":"無(wú)經(jīng)驗(yàn)"},{"id":"12","name":"應(yīng)屆生"},{"id":"13","name":"一年以上"},{"id":"14","name":"二年以上"},{"id":"15","name":"三年以上"},{"id":"17","name":"五年以上"},{"id":"20","name":"八年以上"},{"id":"22","name":"十年以上"},{"id":"27","name":"十五年以上"}]
[{"id":"000","name":"工種不限"},{"id":"531000","name":"化學(xué)礦","child":[{"id":"531100","name":"預(yù)處理","child":[{"id":"531101","name":"分級(jí)"},{"id":"531102","name":"粉碎"},{"id":"531103","name":"團(tuán)固燒結(jié)"},{"id":"531104","name":"精選"},{"id":"531105","name":"脫水"},{"id":"531106","name":"除塵"}]},{"id":"531200","name":"化學(xué)加工","child":[{"id":"531201","name":"焙燒"},{"id":"531202","name":"氧化"},{"id":"531203","name":"吸收"},{"id":"531204","name":"分離"}]},{"id":"531300","name":"回收處理","child":[{"id":"531301","name":"廢水處理利用"},{"id":"531302","name":"固體廢物處理利用"},{"id":"531303","name":"廢氣處理利用"}]}]},{"id":"532000","name":"石油化工","child":[{"id":"532100","name":"預(yù)處理","child":[{"id":"532101","name":"脫鹽脫水"},{"id":"532102","name":"常減壓蒸餾"}]},{"id":"532200","name":"化學(xué)加工","child":[{"id":"532201","name":"催化裂化"},{"id":"532202","name":"催化重整"},{"id":"532203","name":"加氫裂化"},{"id":"532204","name":"焦化"},{"id":"532205","name":"分離"},{"id":"532206","name":"合成"},{"id":"532207","name":"裂解"},{"id":"532208","name":"氣化"},{"id":"532209","name":"脫硫"},{"id":"532210","name":"抽提"}]},{"id":"532300","name":"回收處理","child":[{"id":"532301","name":"廢水處理利用"},{"id":"532302","name":"固體廢物處理利用"},{"id":"532303","name":"廢氣處理利用"}]}]},{"id":"533000","name":"煤化工","child":[{"id":"533100","name":"預(yù)處理","child":[{"id":"533101","name":"洗煤"},{"id":"533102","name":"粉碎"}]},{"id":"533200","name":"化學(xué)加工","child":[{"id":"533201","name":"干餾"},{"id":"533202","name":"氣化"},{"id":"533203","name":"液化"},{"id":"533204","name":"分離"},{"id":"533205","name":"合成"},{"id":"533206","name":"氧化"},{"id":"533207","name":"脫水"},{"id":"533208","name":"焦化"}]},{"id":"533300","name":"回收處理","child":[{"id":"533301","name":"廢水處理利用"},{"id":"533302","name":"固體廢物處理利用"},{"id":"533303","name":"廢氣處理利用"}]}]},{"id":"534000","name":"天然氣","child":[{"id":"534101","name":"分離"},{"id":"534102","name":"干燥"},{"id":"534103","name":"分餾"},{"id":"534104","name":"氧化"},{"id":"534105","name":"合成"},{"id":"534106","name":"裂解"},{"id":"534107","name":"轉(zhuǎn)化"},{"id":"534108","name":"偶聯(lián)"},{"id":"534109","name":"氯化"},{"id":"534120","name":"硝化"},{"id":"534111","name":"硫化"},{"id":"534112","name":"脫氫"}]},{"id":"535000","name":"生物化工","child":[{"id":"535101","name":"水解"},{"id":"535102","name":"皂化"},{"id":"535103","name":"催化加氫"},{"id":"535104","name":"氣化"},{"id":"535105","name":"裂解"},{"id":"535106","name":"萃取"}]},{"id":"536000","name":"化工","child":[{"id":"536100","name":"預(yù)處理","child":[{"id":"536101","name":"分級(jí)"},{"id":"536102","name":"粉碎"},{"id":"536103","name":"干燥"},{"id":"536104","name":"過(guò)濾"},{"id":"536105","name":"混合"},{"id":"536106","name":"加熱"},{"id":"536107","name":"加壓"},{"id":"536108","name":"凈化"},{"id":"536109","name":"配制"},{"id":"536110","name":"溶解"},{"id":"536111","name":"蒸發(fā)"},{"id":"536112","name":"制備"}]},{"id":"536200","name":"化學(xué)加工","child":[{"id":"536201","name":"氧化"},{"id":"536202","name":"還原"},{"id":"536203","name":"加氫"},{"id":"536204","name":"脫氫"},{"id":"536205","name":"歧化"},{"id":"536206","name":"異構(gòu)"},{"id":"536207","name":"烷基化"},{"id":"536208","name":"羰基化"},{"id":"536209","name":"水解"},{"id":"536210","name":"電解"},{"id":"536211","name":"水合"},{"id":"536212","name":"偶合"},{"id":"536213","name":"聚合"},{"id":"536214","name":"縮合"},{"id":"536215","name":"酯化"},{"id":"536216","name":"磺化"},{"id":"536217","name":"硝化"},{"id":"536218","name":"鹵化"},{"id":"536219","name":"重氮化"},{"id":"536220","name":"合成"},{"id":"536221","name":"加熱"},{"id":"536222","name":"冷卻"},{"id":"536223","name":"蒸餾"},{"id":"536224","name":"過(guò)濾"},{"id":"536225","name":"光化"},{"id":"536226","name":"胺化"},{"id":"536227","name":"堿溶"},{"id":"536228","name":"催化"}]},{"id":"536300","name":"精制","child":[{"id":"536301","name":"萃取"},{"id":"536302","name":"精餾"},{"id":"536303","name":"干燥"},{"id":"536304","name":"結(jié)晶"},{"id":"536305","name":"滲透(膜分離)"},{"id":"536306","name":"冷凝"},{"id":"536307","name":"閃蒸"},{"id":"536308","name":"吸附"},{"id":"536309","name":"吸收"},{"id":"536310","name":"冷凍"},{"id":"536311","name":"過(guò)濾"}]},{"id":"536400","name":"回收處理","child":[{"id":"536401","name":"廢水處理利用"},{"id":"536402","name":"固體廢物處理利用"},{"id":"536403","name":"廢氣處理利用"}]}]},{"id":"537000","name":"車(chē)間運(yùn)營(yíng)管理","child":[{"id":"537101","name":"車(chē)間主任"},{"id":"537102","name":"生產(chǎn)調(diào)度PMC"},{"id":"537103","name":"生產(chǎn)統(tǒng)計(jì)"}]},{"id":"538000","name":"安裝運(yùn)行維護(hù)","child":[{"id":"538100","name":"電儀","child":[{"id":"538101","name":"設(shè)備員"},{"id":"538102","name":"儀表工"},{"id":"538103","name":"電工"}]},{"id":"538200","name":"機(jī)修","child":[{"id":"538201","name":"保全工"},{"id":"538202","name":"鉗工"},{"id":"538203","name":"焊工"},{"id":"538204","name":"管工"},{"id":"538205","name":"鉚工"},{"id":"538206","name":"車(chē)工"},{"id":"538207","name":"銑工"},{"id":"538208","name":"架子工"},{"id":"538209","name":"起重工"},{"id":"538210","name":"探傷工"},{"id":"538211","name":"螺絲工"},{"id":"538212","name":"鈑金工"},{"id":"538213","name":"電鍍工"},{"id":"538214","name":"涂裝工"}]}]},{"id":"539000","name":"安全環(huán)保","child":[{"id":"539101","name":"安全員"},{"id":"539102","name":"環(huán)保員"}]},{"id":"540000","name":"生產(chǎn)技術(shù)","child":[{"id":"540101","name":"工藝員\/技術(shù)員"}]},{"id":"541000","name":"生產(chǎn)操作","child":[{"id":"541101","name":"班組長(zhǎng)"},{"id":"541102","name":"內(nèi)操\/中控"},{"id":"541103","name":"外操(主操\/副操)"}]}]
[{"id":"000","name":"技能不限"},{"id":"10","name":"無(wú)特定要求"},{"id":"11","name":"初級(jí)工"},{"id":"12","name":"中級(jí)工"},{"id":"13","name":"高級(jí)工"},{"id":"14","name":"技師"},{"id":"15","name":"高級(jí)技師"}]
[{"id":"000","name":"經(jīng)驗(yàn)不限"},{"id":"11","name":"無(wú)經(jīng)驗(yàn)"},{"id":"12","name":"應(yīng)屆生"},{"id":"13","name":"1年"},{"id":"14","name":"2年"},{"id":"15","name":"3年"},{"id":"16","name":"4年"},{"id":"17","name":"5年"},{"id":"18","name":"6年"},{"id":"19","name":"7年"},{"id":"20","name":"8年"},{"id":"21","name":"9年"},{"id":"22","name":"10年及以上"}]
[{"id":"000","name":"工種不限"},{"id":"520000","name":"土建專(zhuān)業(yè)","child":[{"id":"520101","name":"木工"},{"id":"520102","name":"砌筑工"},{"id":"520103","name":"抹灰工"},{"id":"520104","name":"油漆工"},{"id":"520105","name":"防水工"},{"id":"520106","name":"鋼筋工"},{"id":"520107","name":"混凝土工"},{"id":"520108","name":"架子工"},{"id":"520109","name":"石工"},{"id":"520110","name":"測(cè)量放線工"},{"id":"520111","name":"試驗(yàn)工"},{"id":"520112","name":"筑路工"},{"id":"520113","name":"橋隧工"},{"id":"520114","name":"舟橋工"},{"id":"520115","name":"管道工"},{"id":"520116","name":"水暖工"},{"id":"520117","name":"鐵路線橋工"},{"id":"520118","name":"電工"},{"id":"520119","name":"金屬門(mén)窗工"},{"id":"520120","name":"鈑金工"}]},{"id":"521000","name":"安裝專(zhuān)業(yè)","child":[{"id":"521101","name":"安裝鉗工"},{"id":"521102","name":"管道工"},{"id":"521103","name":"通風(fēng)工"},{"id":"521104","name":"焊工"},{"id":"521105","name":"鉚工"},{"id":"521106","name":"機(jī)械設(shè)備安裝工"},{"id":"521107","name":"電氣設(shè)備安裝工"},{"id":"521108","name":"電梯安裝維修工"},{"id":"521109","name":"空調(diào)安裝維修工"},{"id":"521110","name":"鍋爐設(shè)備安裝工"},{"id":"521111","name":"電力設(shè)備安裝工"},{"id":"521112","name":"軌道交通通信工"},{"id":"521113","name":"軌道交通信號(hào)工"},{"id":"521114","name":"電纜安裝運(yùn)維工"},{"id":"521115","name":"送配電線路工"},{"id":"521116","name":"電力線路安裝工"},{"id":"521117","name":"門(mén)窗幕墻安裝工"},{"id":"521118","name":"構(gòu)件裝配工"}]},{"id":"522000","name":"古建筑專(zhuān)業(yè)","child":[{"id":"522101","name":"古建木工"},{"id":"522102","name":"古建瓦工"},{"id":"522103","name":"古建油漆工"},{"id":"522104","name":"古建彩畫(huà)工"},{"id":"522105","name":"古建石工"}]},{"id":"523000","name":"機(jī)械化施工專(zhuān)業(yè)","child":[{"id":"523101","name":"推土機(jī)司機(jī)"},{"id":"523102","name":"挖掘機(jī)司機(jī)"},{"id":"523103","name":"起重機(jī)司機(jī)"},{"id":"523104","name":"鏟運(yùn)機(jī)司機(jī)"},{"id":"523105","name":"叉車(chē)司機(jī)"},{"id":"523106","name":"裝載機(jī)司機(jī)"},{"id":"523107","name":"養(yǎng)路機(jī)械司機(jī)"},{"id":"523108","name":"軌道車(chē)司機(jī)"},{"id":"523109","name":"橋梁機(jī)械操作工"},{"id":"523110","name":"攤銷(xiāo)機(jī)操作工"},{"id":"523111","name":"管涵頂進(jìn)工"},{"id":"523112","name":"盾構(gòu)機(jī)操作工"},{"id":"523113","name":"路基路面工"},{"id":"523114","name":"壓路機(jī)操作工"},{"id":"523115","name":"平地機(jī)操作工"},{"id":"523116","name":"鑿巖工"},{"id":"523117","name":"爆破工"},{"id":"523118","name":"樁工"}]},{"id":"524000","name":"建筑制品專(zhuān)業(yè)","child":[{"id":"524101","name":"機(jī)械木工"},{"id":"524102","name":"制材工"},{"id":"524103","name":"修鋸工"},{"id":"524104","name":"鋼筋工"},{"id":"524105","name":"混凝土制品模具工"},{"id":"524106","name":"混凝土制品工"},{"id":"524107","name":"混凝土攪拌工"},{"id":"524108","name":"構(gòu)件制作工"}]}]
Document
舉報(bào)企業(yè)
我們會(huì)向您核實(shí)具體情況,對(duì)該企業(yè)進(jìn)行審核并作出相應(yīng)處理,感謝您對(duì)英才網(wǎng)聯(lián)的支持與關(guān)注。
舉報(bào)原因違規(guī)招聘 不良企業(yè)
詳細(xì)描述 請(qǐng)輸入描述
電子郵箱 請(qǐng)輸入正確電子郵箱
聯(lián)系電話(huà) 請(qǐng)輸入正確聯(lián)系電話(huà)
驗(yàn)證碼 看不清,換一張 請(qǐng)輸入正確驗(yàn)證碼