人妻综合网,深夜影院操一操,中文字幕有码在线播放,欧美精品第1页

鐢�(ch菐n)鍝佺啊(ji菐n)浠�
鍦�(gu贸)鐢�(ch菐n)鑻敳閰�  椋熷搧绱�(j铆) 宸ユキ(y猫)绱�(j铆) 鍍�(ji脿)鏍肩従(xi脿n)璨�
鍦�(gu贸)鐢�(ch菐n)鑻敳閰� 椋熷搧绱�(j铆) 宸ユキ(y猫)绱�(j铆) 鍍�(ji脿)鏍肩従(xi脿n)璨�
鐢�(ch菐n)鍝佸児(ji脿)鏍硷細锟�9700
涓婃灦鏃ユ湡锛�2022-06-22 13:56:59
鐢�(ch菐n)鍦帮細鍦�(gu贸)鐢�(ch菐n)
鐧�(f膩)璨ㄥ湴锛�灞辨澅婵�(j矛)鍗楀競
渚涙噳(y墨ng)鏁�(sh霉)閲忥細涓嶉檺
鏈€灏戣捣瑷傦細1鍣�
鐎忚閲忥細397
璩囨枡涓嬭級锛�鏆劇(w煤)璩囨枡涓嬭級
鍏朵粬涓嬭級锛�鏆劇(w煤)鐩搁棞(gu膩n)涓嬭級
瑭崇窗(x矛)瑾�(shu艒)鏄�

    涓枃鍚嶇ū(ch膿ng):鑻敳閰�

    鑻辨枃鍚嶇ū(ch膿ng):benzoic acid

    涓枃鍚嶇ū(ch膿ng)2:瀹夋伅棣欓吀

    鑻辨枃鍚嶇ū(ch膿ng)2:carboxybenzene

    CAS:65-85-0

    鍒嗗瓙寮�:C7H6O2

    鍒嗗瓙閲�:122.1214

    绲�(ji茅)妲�(g貌u)绨�(ji菐n)寮�:C6H5-COOH(鑻挵(hu谩n)-COOH)

    涓昏鎴愬垎:绱斿搧

    澶栬鑸囨€х媭:楸楃墖鐙€鎴栭嚌鐙€绲�(ji茅)鏅讹紝鍏锋湁鑻垨鐢查啗鐨勮嚟鍛�銆�

     

    銆愮敤閫斾竴銆戠敤浜庨啱(y墨)钘ャ€佹煋鏂欒級楂�銆佸濉戝姂銆侀鏂欏拰椋熷搧闃茶厫鍔戠瓑鐨勭敓鐢�(ch菐n)锛屼篃鐢ㄤ簬閱囬吀妯�(sh霉)鑴傛秱鏂欑殑鎬ц兘鏀归€�(j矛n)

    銆愮敤閫斾簩銆戜富瑕佺敤浜庢姉鐪熻弻鍙婃秷姣掗槻鑵�

    銆愮敤閫斾笁銆戠敤浣滃寲瀛�(xu茅)瑭﹀姂鍙婇槻鑵愬姂

    銆愮敤閫斿洓銆戦€氬父鐢ㄤ綔瀹氶鍔戞垨闃茶厫鍔戙€備篃鐢ㄤ綔鏋滄眮椋叉枡鐨勪繚棣欏姂銆傚彲浣滅偤鑶忛鐢ㄥ叆钖伴棣欑簿銆傞倓鍙敤浜庡阀鍏嬪姏銆佹妾€佹瀛�銆佸瓙婕挎灉銆佸爡(ji膩n)鏋�銆佽湝椁炲瀷绛夐鐢ㄩ绮句腑銆傜厵鐢ㄩ绮句腑浜﹀父鐢ㄤ箣銆�

    銆愮敤閫斾簲銆戦槻鑵愬姂;鎶楀井鐢熺墿鍔�銆�

     

    鍥犺嫰鐢查吀鐨勬憾瑙e害灏忥紝浣跨敤鏅�(sh铆)闋堢稉(j墨ng)鍏呭垎?j菒n)鍤�?锛屾垨婧朵簬灏戦噺鐔辨按鎴栦箼閱囥€傚湪娓呮都椋叉枡鐢ㄧ殑婵冪府鏋滄眮涓娇鐢ㄦ檪(sh铆)锛屽洜鑻敳閰告槗闅ㄦ按钂告埃鎻櫦(f膩)锛屾晠甯哥敤鍏堕垑楣姐€�1g閳夐菇鐩哥暥(d膩ng)浜庤嫰鐢查吀0.847g銆�

    銆愮敤閫斿叚銆戣嫰鐢查吀鏄噸瑕佺殑閰稿瀷椋熷搧闃茶厫鍔�銆傚湪閰告€ф浠朵笅锛屽皪(du矛)闇夎弻銆侀叺姣嶅拰绱�(x矛)鑿屽潎鏈夋姂鍒朵綔鐢�锛屼絾灏�(du矛)鐢�(ch菐n)閰歌弻浣滅敤杓冨急銆�

    銆愮敤閫斾竷銆戣嫰鐢查吀鏄噸瑕佺殑閰稿瀷椋兼枡闃茶厫鍔戙€傚湪閰告€ф浠朵笅锛屾姂鑿岀殑鏈€閬�PH鐐�2.5-4.0锛屼竴鑸互浣庝簬PH4.5-5.0鐐哄疁銆�

鍦ㄧ窔瑭㈢洡(p谩n)/鐣欒█
  • 瑕�(gu墨)鏍硷紝鍨嬭櫉(h脿o)
    浠樻姊濅欢
    鐢�(ch菐n)鍝佺洰閷�
    鏈€浣庤▊璨ㄩ噺
    閬�(y霉n)閫佽硣鏂�
    鎻愪緵妯f湰
    搴�(k霉)瀛樻儏娉�
    鍖呰鏉愭枡
  • 鍏嶈铂(z茅)鑱叉槑锛氫互涓婃墍灞曠ず鐨勪俊鎭敱浼佹キ(y猫)鑷鎻愪緵锛屽収(n猫i)瀹圭殑鐪熷(sh铆)鎬�銆佹簴(zh菙n)纰烘€у拰鍚堟硶鎬х敱鐧�(f膩)甯冧紒妤�(y猫)璨�(f霉)璨�(z茅)锛屾湰缍�(w菐ng)灏�(du矛)姝や笉鎵挎摂(d膩n)浠讳綍淇濊瓑璨�(z茅)浠�銆傛垜鍊�?c猫)鐡宼 涓婂缓璀版偍閬告搰鏈恫(w菐ng)楂樼礆(j铆)鏈�(hu矛)鍝℃垨VIP鏈�(hu矛)鍝�銆�
    浼佹キ(y猫)淇℃伅
    灞辨澅閲戞倕婧愭柊鏉愭枡鏈夐檺鍏徃
    鏈�(hu矛)鍝$礆(j铆)鍒ワ細
    ------------ 鑱�(li谩n)绯绘柟寮� ------------
    鑱�(li谩n)绯讳汉锛�鐜嬫€濆叺锛堝厛鐢燂級
    鑱�(li谩n)绯婚浕瑭憋細0531-85917597
    鑱�(li谩n)绯绘墜姗�(j墨)锛�18615189709
    鍌崇湡铏�(h脿o)纰硷細0531-85917596
    浼佹キ(y猫)閮电锛�234997965@qq.com
    缍�(w菐ng)鍧€锛�jinyueyuan22.jdzj.com
    閮电法锛�250033
    鎺ㄨ枽渚涙噳(y墨ng)
    0571-87774297