parts在化学剂量中怎么理解 化学中ppt是什么意思
\u5316\u5b66\u6587\u732e\u4e2d parts by weight \u662f\u4ec0\u4e48\u610f\u601d\uff1f\u8fd9\u4e2a\u6d53\u5ea6\u5355\u4f4d\u662f\u591a\u5c11\u5462\uff1f\u91cd\u91cf\u4efd\u6570\uff0c\u8fd9\u4e2a\u80af\u5b9a\u6709\u4e2a\u603b\u91cf\u7684\u3002\u57fa\u672c\u7b49\u4e8e\u8d28\u91cf\u5206\u6570\u7684\u610f\u601d\u3002
PPT\u662f\u7531\u5fae\u8f6f\u516c\u53f8\u63a8\u51fa\u7684\u4e00\u6b3e\u56fe\u5f62\u6f14\u793a\u6587\u7a3f\u8f6f\u4ef6\uff0c\u5168\u79f0\u4e3a\u201cPowerPoint\u201d\uff0c\u5927\u5bb6\u90fd\u559c\u6b22\u8bf4\u6210\u82f1\u6587PPT\uff0c\u4e5f\u53ef\u4ee5\u7b97\u505a\u662f\u7f29\u5199\u3002\u4e2d\u6587\u540d\u79f0\u53eb\u201c\u5e7b\u706f\u7247\u201d\u6216\u201c\u6f14\u793a\u6587\u7a3f\u201d\u3002
绛旓細ppm娴撳害鐨刾pm娴撳害琛ㄧず鐨勬槸鐧句竾鍒嗕箣涓鐨勬祿搴︽瘮渚嬨俻pm娴撳害鏄竴绉嶈〃杈惧井閲忕墿璐ㄥ湪澶ч噺娣峰悎鐗╀腑鎵鍗犳瘮渚嬬殑鏂瑰紡銆俻pm鏄parts per million鈥濈殑缂╁啓锛岀洿鎺ョ炕璇戜负姣忕櫨涓囦唤銆傚湪杩欑璁￠噺鏂瑰紡涓紝鎵琛ㄨ揪鐨勬槸鏌愪竴鍖栧鐗╄川鍦ㄧ櫨涓囧垎涔嬩竴鐨勬瘮渚嬩笅鐨勬祿搴︺傝繖鏄竴绉嶅父瑙佺殑鐢ㄦ潵琛ㄧず婧舵恫銆佹皵浣撴垨鍏朵粬娣峰悎鐗╀腑鐗瑰畾鎴愬垎娴撳害...
绛旓細ppm鏄"parts per million"鐨勭缉鍐欙紝涓枃缈昏瘧涓"鐧句竾鍒嗕箣鍑"锛岃〃绀虹墿璐ㄧ殑娴撳害銆鍦ㄥ寲瀛銆佺幆淇濄侀鍝佸畨鍏ㄧ瓑棰嗗煙涓紝ppm琚箍娉涚敤鏉ユ弿杩板井灏忕殑娴撳害鍙樺寲銆傞氬父鎯呭喌涓嬶紝ppm鍙互绠鍗曠殑鐞嗚В涓轰竴绉嶆瘮渚嬪叧绯伙紝鍗虫瘡鐧句竾浠戒腑鏈夊灏戜唤灞炰簬杩欑鐗╄川銆俻pm鍦ㄥ伐涓氥佸尰瀛︺侀鍝佸畨鍏ㄧ瓑棰嗗煙涓湁骞挎硾鐨勫簲鐢...
绛旓細ppm鏄嫳鏂parts per million鐨勭缉鍐欙紝鎰忔濇槸鐧句竾鍒嗕箣鍑犮傚畠鏄竴绉嶈〃绀哄井閲忕墿璐ㄥ湪鏇村ぇ浣撶Н鎴栨婚噺涓墍鍗犳瘮渚嬬殑鍗曚綅銆傚叿浣撴潵璇达紝瀹冭〃绀哄湪1鐧句竾鍗曚綅浣撶Н鐨勬憾娑蹭腑锛屽惈鏈夋煇鐗╄川鐨勫叿浣撲綋绉暟銆傝繖绉嶅崟浣嶇粡甯歌鐢ㄤ簬鍖栧銆佺幆淇濄佸埗閫犱笟绛夐鍩燂紝鐢ㄦ潵鎻忚堪鏌愪簺鍖栧鐗╄川鐨勬祿搴︽垨鎴愬垎鍚噺銆傚挨鍏舵槸鍦ㄥ寲瀛鍒嗘瀽涓紝ppm甯稿父浣滀负...
绛旓細璁╂垜浠竴璧锋帰绱olleyball鐨勫鍏冨惈涔夊惂锛侀鍏堬紝璁╂垜浠繁鍏鐞嗚В涓涓笓涓氭湳璇斺擯PM锛Parts Per Million锛夈傝繖涓悕瀛楃殑鐩磋瘧鎴栬鐪嬩技鎶借薄锛屼絾瀹冨疄闄呬笂浠ｈ〃鐫姣忓厗涓殑涓涓偣锛岃薄寰佺潃鏋佸井灏忕殑娴撳害姣斾緥锛屽氨鍍忕櫨涓囧垎涔嬩竴鐨勪綋绉崰姣斻傜劧鍚庯紝鎴戜滑杞悜鍙︿竴涓畝娲佺殑琛ㄨ揪鏂瑰紡锛%vol锛屽嵆浣撶Н娴撳害銆鍦ㄥ寲瀛鍜岃閲忓涓紝...
绛旓細璐ㄩ噺绠＄悊涓璸pm瀹為檯涓婃槸Parts Per Million锛屽畾涔変负鐧句竾鍒嗕箣涓锛1ppm鍗虫槸涓鐧句竾鍒嗕箣涓銆備竴鑸敤浣滄瘡涓鐧句竾涓骇鍝佷腑鐨勪笉鑹巼鐨勭粺璁℃爣鍑,濡10PPM灏辨槸鐧句竾鍒嗕箣鍗佺殑涓嶈壇鐜囥傚叕寮忥細ppm=涓嶅悎鏍煎搧涓暟*1000000/鎵归噺銆
绛旓細ppm鏄嫳鏂parts per million鐨勭缉鍐欙紝璇荤殑鏃跺欑洿鎺ヨ瀛楁瘝ppm灏卞彲浠ワ紝鎰忔濇槸鐧句竾鍒嗘瘮锛堟祿搴︼級锛屾垨鑰呯洿鎺鐞嗚В涓虹櫨涓囧垎涔嬩竴灏卞彲浠ャ傚30ppm灏辨槸娴撳害涓虹櫨涓囧垎涔嬩笁鍗侊紝鐩存帴璇讳綔涓夊崄鐨毊鍝庢湪銆
绛旓細娣卞叆鎺㈣娴撳害鐨勭瀵嗭細1ppb涓1ppm鐨勮浆鎹 鍦ㄥ寲瀛涓栫晫閲岋紝ppb锛parts per billion锛夊拰ppm锛坧arts per million锛夐兘鏄 閲忔祿搴︾殑绮惧瘑宸ュ叿銆1ppb鎰忓懗鐫鍦1000000000涓崟浣嶆憾鍓備腑锛屽彧鍚湁1涓憾璐ㄥ崟浣嶏紝鎹㈢畻鍒颁綋绉笂锛岃繖鐩稿綋浜庢瘡1鍗囦腑鏈55.95寰厠鐨勬憾璐ㄣ傛崲鍙ヨ瘽璇达紝1ppb绛夊悓浜0.01姣厠姣忓崌锛坢g/L锛夈傝1ppm...
绛旓細瑙ｉ噴锛歱pm鏄parts per million鐨勭缉鍐欙紝涓枃鐩磋瘧涓衡滅櫨涓囧垎鈥濄傝繖鏄竴涓瘮渚嬪崟浣嶏紝鐢ㄤ簬琛ㄧず鏌愪竴鐗╄川鍦ㄦ洿澶т綋绉垨鎬婚噺涓殑鍗犳瘮銆傚叿浣撴潵璇达紝瀹冭〃绀哄湪涓鐧句竾浠戒腑鐨勬煇涓鐗╄川鐨勫惈閲忔垨鏁伴噺銆傝繖绉嶈〃绀烘柟娉曢氬父鐢ㄤ簬闈炲父寰皬鐨勬祿搴︾殑娴嬮噺锛屽挨鍏舵槸鍦ㄥ寲瀛銆佺幆澧冪瀛︺侀鍝佸姞宸ョ瓑棰嗗煙銆備妇渚嬫潵璇达紝濡傛灉涓涓睜濉樹腑鐨勬煇绉...
绛旓細PPb鏄partsperbillion鐨勭缉鍐欙紝绯昏〃绀烘恫浣撴祿搴︾殑涓绉嶅崟浣嶇鍙枫備竴鑸浣1/10浜匡紝鍗10^9鐨勪唬琛ㄧ鍙凤紝鏄1鈥皃pm銆10鐨-9娆℃柟鏁伴噺绾,姣旇緝灏忕殑鍗曚綅,绫讳技鐨勮繕鏈塸pm,ppt绛,鍒嗗埆鏄-6娆″拰-12娆.姝ょ被鍚嶇О鏄牴鎹叿浣撴儏鍐佃〃杈句负涓嶅悓鐨勬爣鍑嗗寲鐨勯噺锛歱pm10-6(10鐨勮礋6娆℃柟)鐩稿綋寰厠绾 ppb10-9(10鐨勮礋9娆℃柟)...
绛旓細ppm鏄祿搴﹀崟浣峱pm鐨勮娉曟槸parts per millionPPM璇嶆槸parts per million鐨勭畝绉帮紝缈昏瘧鎴愪腑鏂囩殑鎰忔濆氨鏄櫨涓囧垎涔嬪垎鏁帮紝鏈夌偣绫讳技浜庢垜浠殑鐧惧垎鏁帮紝浣嗚姣旂櫨鍒嗘暟鏇村姞绮惧噯ppm涓鑸寚鎽╁皵鍒嗘暟鎴栦綋绉垎鏁帮紝瀵逛簬婧舵恫锛宲pm涓鑸寚锛沺pm琛ㄧず鍖栧浣嶇Щ 鏍哥鍏辨尟涓紝鐢变簬鍘熷瓙鏍告墍澶勫寲瀛︾幆澧冪殑涓嶅悓锛屽畠浠墍鍙楃殑灞忚斀浣滅敤涓嶅悓锛岃...
