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来自话题:
氰基或酰胺加氢还原? 谢谢! 可惜这个条件我们实现不了。 [此贴子已经被作者于2006-9-15 19:00:02编辑过] 查看更多
求助各位朋友:全国各地有多少酮苯装置? yansan有一套,规模忘掉了查看更多
什么样的材质更能抗H2S氢腐蚀呢? 我知道的有316ss,不知道贵不贵查看更多
换热器什么时候倾斜安装? 以前做过一个主要是为了排液的查看更多
大家觉得是四班三倒好些,还是四班两倒好些呢? 楼主的这个 议题有代表性,本人在阅读大家的观点后补充以下: 1.在正常生产的市区附近的企业,一般二三十公里以内的企业,在交通方便的前提前,以四班三运转(三家的四班三倒班)工作比较舒服,对人的生活、精力比较合适,应积极指荐这种模式,这是国家提倡的工作方式; 2.在远离市区,交通不便的区域应采用四班十二小时工作制,且应是二天工作二十四小时(两班),休息四十八小时,比较合适,这主要考虑目前化工企业逐步园区化,化工园区远离城区,交通和交通时间影响很大,若四班三运行,刚四天往返六次,每次两小时,有十二小时即一个半班时间在路上,加上班前、后会,更换工作服等,共计十五小时左右,近增加时间15/24,对休息有影响,若十二小时工作制,减少交接班及生产管理难度,中间在企业公寓十二小时,再上一个 班,回家,三个班,二次上,减少交通四次,交接班一次,有些辛苦,但也有些优点,交通费降低很多,休息增加,主要适应员工解决这几个矛盾,大家不妨讨论一下!!!!查看更多
来自话题:
可行性研究报告? 可以参考《化工建设项目可行性研究报告内容和深度的规定》查看更多
来自话题:
分离器结构? 现在有一种高效分离器,分离设备和技术在西安。查看更多
来自话题:
求教:能与第二个氢反应吗? 你怕产物自身关环吗? 温度和碱都温和一点试一下吧,温度高了产物可能再关环。这个羟基也有可能加成, 不是 ... 反应完后,主产物色谱含量在88%左右,有一个8%左右的杂质,我试着把温度降下来试试看。谢谢!查看更多
和利时MACSV3双层网络组网的题目讨论? 大体上是这样,能不能说的详细点。。。谢谢!查看更多
个人投资精细建厂开公司应该具备的能力,条件及其他因素? 投资有风险哦 查看更多
来自话题:
拱顶储罐的结构问题? 包边角钢就是罐壁顶部焊接的一圈,角钢上面支撑拱顶。查看更多
求CAD快捷键List? 快捷命令 原命令 3a, *3darray 3dmirror, *mirror3d 3dnavigate,*3dwalk 3do, *3dorbit 3dw, *3dwalk 3f, *3dface 3m, *3dmove 3p, *3dpoly 3r, *3drotate a, *arc ac, *baction adc, *adcenter aectoacad, *-exporttoautocad aa, *area al, *align 3al, *3dalign ap, *appload ar, *array -ar, *-array ati, *attipedit att, *attdef -att, *-attdef ate, *attedit -ate, *-attedit atte, *-attedit b, *block -b, *-block bc, *bclose be, *bedit bh, *hatch bo, *boundary -bo, *-boundary br, *break bs, *bsave bvs, *bvstate c, *circle cam, *camera ch, *properties -ch, *change cha, *chamfer chk, *checkstandards cli, *commandline col, *color colour, *color co, *copy cp, *copy ct, *ctablestyle cyl, *cylinder d, *dimstyle dal, *dimaligned dan, *dimangular dar, *dimarc jog, *dimjogged dba, *dimbaseline dbc, *dbconnect dc, *adcenter dce, *dimcenter dcenter, *adcenter dco, *dimcontinue dda, *dimdisassociate ddi, *dimdiameter ded, *dimedit di, *dist div, *divide djl, *dimjogline djo, *dimjogged dl, *datalink dli, *dimlinear dlu, *datalinkupdate do, *donut dor, *dimordinate dov, *dimoverride dr, *draworder dra, *dimradius dre, *dimreassociate drm, *drawingrecovery ds, *dsettings dst, *dimstyle dt, *text dv, *dview dx, *dataextraction e, *erase ed, *ddedit el, *ellipse er, *externalreferences ex, *extend exit, *quit exp, *export ext, *extrude f, *fillet fi, *filter freepoint, *pointlight fshot, *flatshot g, *group -g, *-group gd, *gradient geo, *geographiclocation gr, *ddgrips h, *hatch -h, *-hatch he, *hatchedit hi, *hide i, *insert -i, *-insert iad, *imageadjust iat, *imageattach icl, *imageclip im, *image -im, *-image imp, *import in, *intersect inf, *interfere io, *insertobj j, *join l, *line la, *layer -la, *-layer las, *layerstate le, *qleader len, *lengthen li, *list lineweight, *lweight lman, *layerstate lo, *-layout ls, *list lt, *linetype -lt, *-linetype ltype, *linetype -ltype, *-linetype lts, *ltscale lw, *lweight m, *move ma, *matchprop mat, *materials me, *measure mi, *mirror ml, *mline mla, *mleaderalign mlc, *mleadercollect mld, *mleader mle, *mleaderedit mls, *mleaderstyle mo, *properties ms, *mspace msm, *markup mt, *mtext mv, *mview north, *geographiclocation northdir, *geographiclocation o, *offset op, *options orbit, *3dorbit os, *osnap -os, *-osnap p, *pan -p, *-pan pa, *pastespec param, *bparameter partialopen, *-partialopen pe, *pedit pl, *pline po, *point pol, *polygon pr, *properties prclose, *propertiesclose props, *properties pre, *preview print, *plot ps, *pspace psolid, *polysolid ptw, *publishtoweb pu, *purge -pu, *-purge pyr, *pyramid qc, *quickcalc qcui, *quickcui r, *redraw ra, *redrawall rc, *rendercrop re, *regen rea, *regenall rec, *rectang reg, *region ren, *rename -ren, *-rename rev, *revolve ro, *rotate rp, *renderpresets rpr, *rpref rr, *render rw, *renderwin s, *stretch sc, *scale scr, *script se, *dsettings sec, *section set, *setvar sha, *shademode sl, *slice sn, *snap so, *solid sp, *spell spl, *spline splane, *sectionplane spe, *splinedit ssm, *sheetset st, *style sta, *standards su, *subtract t, *mtext -t, *-mtext ta, *tablet tb, *table th, *thickness ti, *tilemode to, *toolbar tol, *tolerance tor, *torus tp, *toolpalettes tr, *trim ts, *tablestyle uc, *ucsman un, *units -un, *-units uni, *union v, *view -v, *-view vp, *ddvpoint -vp, *vpoint vs, *vscurrent vsm, *visualstyles -vsm, *-visualstyles w, *wblock -w, *-wblock we, *wedge x, *explode xa, *xattach xb, *xbind -xb, *-xbind xc, *xclip xl, *xline xr, *xref -xr, *-xref z, *zoom ; the following are alternative aliases and aliases as supplied ; in autocad release 13. av, *dsviewer cp, *copy dimali, *dimaligned dimang, *dimangular dimbase, *dimbaseline dimcont, *dimcontinue dimdia, *dimdiameter dimed, *dimedit dimted, *dimtedit dimlin, *dimlinear dimord, *dimordinate dimrad, *dimradius dimsty, *dimstyle dimover, *dimoverride lead, *leader tm, *tilemode ; aliases for hyperlink/url release 14 compatibility saveurl, *save openurl, *open inserturl, *insert ; aliases for commands discontinued in autocad 2000: aad, *dbconnect aex, *dbconnect ali, *dbconnect asq, *dbconnect aro, *dbconnect ase, *dbconnect ddattdef, *attdef ddattext, *attext ddchprop, *properties ddcolor, *color ddlmodes, *layer ddltype, *linetype ddmodify, *properties ddosnap, *osnap dducs, *ucs ; aliases for commands discontinued in autocad 2004: acadblockdialog, *block acadwblockdialog, *wblock adcenter, *adcenter bmake, *block bmod, *block bpoly, *boundary content, *adcenter ddatte, *attedit ddim, *dimstyle ddinsert, *insert ddplotstamp, *plotstamp ddrmodes, *dsettings ddstyle, *style dducs, *ucsman dducsp, *ucsman ddunits, *units ddview, *view dimhorizontal, *dimlinear dimrotated, *dimlinear dimvertical, *dimlinear doughnut, *donut dtext, *text dwfout, *plot dxfin, *open dxfout, *saveas painter, *matchprop preferences, *options rectangle, *rectang shade, *shademode viewports, *vports ; aliases for commands discontinued in autocad 2007: rmat, *materials fog, *renderenvironment finish, *materials setuv, *materialmap showmat, *list rfileopt, *renderpresets rendscr, *renderwin查看更多
2012职称英语教材? 【分享】伊索寓言:蝙蝠与黄鼠狼 the bat and the weasels   a bat who fell upon the ground and was caught by a weasel pleaded to be spared his life. the weasel refused, saying that he was by nature the enemy of all birds. the bat assured him that he was not a bird, but a mouse, and thus was set free. shortly afterwards the bat again fell to the ground and was caught by another weasel, whom he likewise entreated not to eat him. the weasel said that he had a special hostility to mice. the bat assured him that he was not a mouse, but a bat, and thus a second time escaped.   it is wise to turn circumstances to good account.   蝙蝠与黄鼠狼   蝙蝠掉落在地上,被黄鼠狼叼去,他请求饶命。黄鼠狼说绝不会放过他,自己生来痛恨鸟类。蝙蝠说他是老鼠,不是鸟,便被放了。后来蝙蝠又掉落了下来,被另一只黄鼠狼叼住,他再三请求不要吃他。这只黄鼠狼说他恨一切鼠类。蝙蝠改口说自己是鸟类,并非老鼠,又被放了。这样,蝙蝠两次改变了自己的名字,终於死里逃生。   这个故事带出的启示就是:我们遇事要随机应变方能避免危险。查看更多
来自话题:
关于测量界面液位计都什么方式,那种适合我们的工况呢> ...? 磁致伸缩应该比较理想查看更多
耙料机开不起来啦!!!!!? 升降功能,提升,估计时间长了,也许不能用了。还有耙料器的刮板,可适当改造一下,减少阻力,对运行不会影响太大。清理底部泥浆,工作量太大,用泵打太慢,外排污染环境,造成外排水超标。查看更多
aspen2004、2006和v7哪个版本比较经典啊? 软件升级后,数据库也更新了,不过2006的数据库还是挺全的,还是根据自己的习惯吧查看更多
DCPD裂解制环戊烯? 我也没见过,想学习。查看更多
来自话题:
有没有大牛可以解释下我的这个吸脱附等温线问题? 比表面积太低了 或者样品没有处理干净 如果是表面积太低 建议多放样品 或者用更小的分子进行吸附测定如果是样品没有处理干净 在不损害样品的条件下 尽量高温处理查看更多
加氢裂化提高柴油闪点? 再加一根氮气线就行了。查看更多
来自话题:
关于全氟磺酸树脂(Nafion)用作催化剂? 没有人应助啊 查看更多
简介
职业:杭州欣阳三友精细化工有限公司 - 项目经理
学校:阿坝师范高等专科学校 - 化学化工与生命科学系
地区:重庆市
个人简介:劳动和人,人和劳动,这是所有真理的父母亲。查看更多
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