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صنايع شيم&Ugra

صنايع شيم&Ugra

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Unformatted text preview: شرو¡پ و شز¢مآ ترازو سر£ف ن£¤¥ا شرو¡پ و شز¢مآ ن£مز£¥ ی¦ر£هم و §¡ظ¨ شرو¡پ و شز¢مآ ©¨و£عم ªا«ف¡ح و ی¬ف §«خ£­ §£®ن£¤¥¡¬® ن£ª¢ج¡¬® یل¯° و ی¯ل° ت£قب£±م ²رود ³´¯µ­ – ¶¬·¥ا ی¨£¤¥ا «لح¡م 1385 (---- د¸ª سر£ف §¢ضر ن£¥ا¡خ ن£م¡ک ن£ه·صا §£ه¨£¤¥ا ¹¡¤µم §ا¡جا ) هتشر یلمع نو¡زآ ¢ا£¤¥وئس حي¦ص§ ¨ ¢ر¥ذگ ©ªم« ¢ام¬£¥ر : : ¢ر¥­گªب خ®را§ 8/12/1385 یلمع نو¡زآ ¯رد يº£»¯»­ ¼º£¬صرد ی®£گ¤¥د ت£»ل¯° ²£½ر£ک ¹¡¤µم¡»غ یل¯° )) » یلمع هت°ب A « وجª¬£ ±وص²¡ ) : ک³¬´§ µ¥ªم« ¶راب 7 – ( µا·سا¦¡ ©ªم« 10 ©ªم« ¸ی´®­³ف¢ هطب¥ر ز¥ ©دا¹تس¥ اب - = 1 2 1 s s gR CA Q ©اºتسد µاص²»¡ ¨ ( ) ¥ر ¸¼³ف ¸¢ر¥ ¸ه³ل²§ ¸½®ªض ¸، ¸دوش ¸ی¡ ¸©د¥د ¸¶ªت¦¡ ¸ر¨¥د ¸¾سو§ ¸ه¿ ) ر د À³¬¿ ه·سا¦¡ SI ( 3 2 1 cm gr O H = ρ ¨ 3 6 / 13 cm gr Hg = ρ ¨ = D ¨ 2 10 s m g = ) : À³£د خساپ ª®ز µÁ¥وس هب ¨ 3 ( ©ªم« 1- ) ؟ À®دª¿ ©دا¹تس¥ یش¨ر هچ ز¥ یبد ¢ª³گ ©ز¥À«¥ ¢¥ªب امش 5/0 ( 2- ¥ªچ R ) ؟ À®آ ی¡ دوجوب 5/0 ( ÂÃايميش ÄÃا¬Å 3- یک¡ز¢ف £هطبار £¤ا £¥دش £¥¦ا¦ £یک¡ز¢ف £هطبار £§¨جب £تروص £هچ £ر¦ ρ p CA Q ∆ = 2 ) ؟¦©ª ¥¦¨«¬سا د¡¨ب 2 ( » یلمع ¡ هتسب B « وجرن¢ صو£خ¤ ) : ک¥ن¦§ یلمع ¨ا© 7 ) – ( ªا«¬اح¤ ­رم® 10 ( ­رم® ی¦¯ز¥ف هطب°¨ ±° ­دا²ت¬° اب 4 1 2 1 2 1 ) 1 ( 2 -- = D D s s gR CA Q ­اگت¬د ªا£خش¤ ³ ( ) °¨ رت¤ ¡¨وت®³ ه¥لخ§ ´¯رض ، دوµ ی¤ ­د°د ¶رتح¤ ¨³°د ·¬و§ ه© ) . ¸تس¥¬ ¨د ¹¯¨³آ º¬¹ب SI ( 3 2 1 cm gr o H = ρ 3 6 . 13 cm gr Hg = ρ = 2 D = 1 D ) : ¹¥¢د »¬اپ ر¯± ª¼°و¬ هب ³ 3 ( ­رم® 1 ) - ؟ ¹¯در© ­دا²ت¬° یµ³¨ هچ ±° ، یبد ¡ر¥½ ­±°¹®° ¡°رب امµ 5/0 ( 2- °رچ R ) ؟ ¹¯آ ی¤ دوجوب 5/0 ( 3- ی¦¯ز¥ف ¾هطب°¨ ¾±° ¾­¹µ ¾­د°د ¾ی¦¯ز¥ف ¾هطب°¨ ¾¡ا¿ب ¾ª¨وÀ ¾هچ ¾¨د 4 1 2 2 ) ( 1 ) ( 2 D D p g CA Q- ∆ = ρ ) ؟ در© ­دا²ت¬° ¹¯اب 2 ( » یلمع هتسب C « وجرن¡ صو¢خ£ ) : ک¤ن¥¦ یلمع §ا¨ 7 ) – ( ©اª«اح£ ¬رم­ 10 ( ¬رم­ ®ی¥¯ز¤ف هطب°§ ±° ¬دا²ت«° اب . . Re 64 No f = ) ³«و¦ ه¨ ¬اگت«د ©ا¢خش£ ´ ) . ( §د µ¤¯ام­ هª«اح£ °§ ¶ا¥ط·° ¸¯رض دو¹ ی£ ¬د°د ºرتح£ §´°د SI ( s pa o H . 10 94 . 8 4 2- × = μ 3 1 . 997 2 m hg o H = ρ = D ) : µ¤¡د »«اپ ر¯± ©¼°و« هب´ 3 ( ¬رم­ 1 _...
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