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棱蝾棱蝾爨蜩玎鲨鲤蹊蝈牝箴礼蝠铐铎荔滂凌铍钽馏蹉嚯蝈痂骂屙眍 溴腩缅礤蜩赅缅钽疣翳缅铍钽妙耋溧瘃蜮念酿筱铄企痦嚯桉蜩赅 烟如钺疱蜞蝈朦耱忸软铖蝠囗睇 琨觇软纛痨囹桕锐牦耨蜮锐蝾痂暑祜蝈瘥鼠腓磬痂鼠朦蝮疣隋犟桕铍钽髓蝈疣蝮疣祟汨赅锑痍弪桧锑蝈爨蜩赅锑眍耱痤屙桢体滂鲨磬体礤滏戾眚体蜞腚 砚囵赅体踵龛赅腆琨赅袜皴脲龛吾疣珙忄龛熙疣磬 徨珙镟耥铖蜩 骅珥熙疣磬 茵箐襄溧泐汨赅项腓蜩赅橡噔橡栳铕铖蝠铄龛橡钽疣祆桊钼囗桢橡铊玮钿耱忸橡铎脲眄铖螯像桴铍钽朽滂绣汨腓砚琰杨鲨铍钽扬铕羊囗溧痱桤圉羊痤栩咫蜮义蹴铍钽梃翌疸钼殷痂珈澡玷赅澡玷铍钽澡腩耦翳澡磬眈砧扈疹轳蜮皱眄铑狃噻钼囗桢族瘅屙桢蓐铍钽蓐铐铎弪痂赅蓐铐铎桕蓦尻蝠铐桕摒桉矬礓屙牿
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朽滂钹牝桠虺 玎蝌ң 嚓蜩怛畴炽 溴沐沓斐: ) 余қ 岢痣炽稠溴 玎蝌 犷豚螓 囿 襦睇.
朽滂钹牝桠虺 桤铗铒螓ң 囿 ұ疣қ螓覃 0,1×10-3 1-沐 蝈ң. 雾ң 驵痱嚅 囿 镥痂钿 礤沐 蝈ң?A)6,9×103
朽滂钹牝桠虺 囿 玎ң қ囗溧 纛痨箅囔屙 ө痦尻蝈脲涑?C) 
朽滂钹牝桠虺 囿溧ғ 驵痱嚅 囿 镥痂钿 溴沐沓斐 礤?D) 徉耱囡қ 漯铍囵 襦睇 2 羼 赍祗
朽滂钹牝桠虺 屐屙蝌屙 10 皴牦礓 筻қ 厨稠溴 疣滂钹牝桠虺 桤铗铒螓ң 106 漯铖 囫, 疣滂钹牝桠虺 屐屙蝌ң 嚓蜩怛畴炽 қ囗溧 犷豚潲? 铃鸪脬屙 筻қ 囵嚯ғ溧ғ 嚓蜩怛畴酬虺 ұ疣қ螓 溴 羼屣蝈 赍疱:D) 105 陵
朽滂钹牝桠虺 屐屙蝌ң 驵痱嚅 囿 镥痂钿 礤沐 蝈ң?) 咪痤睇ң 徉耱囡қ 襦睇睇ң 驵痱 囿ғ 赍蝈虺 筻қ.
朽滂钹牝桠虺 屐屙蝌ң 驵痱嚅 囿 镥痂钿 . 陪屦 漯铍囵潲ң 徉耱囡қғ 襦睇 N 0 犷腭, t=T/4 筻қ蜞 铖 屐屙蝌ң қ囗 
N 漯铖 囡 赍蝈涑?B) 
朽滂钹牝桠虺 屐屙蝌ң 驵痱嚅 囿 镥痂钿 戾 l 囿 ұ疣қ螓覃睇ң 囵囫溧 қ囗溧 徉殡囗 徉?C) 
朽滂钹牝桠虺 囿 玎ң ө瘃弪ң崇.C) N = N0.exp(-λt);
朽滂钹牝桠虺氤 溴沐沓斐:B) 莉铎 漯铍囵ң 屐屙蜞 ө滕尻蝈 ғ囵 铗, ө玟炽稠屙 徉қ ү鸪礤 ө蝮.
朽滂篑 1 耢 戾蜞腚 ғ Q = 6,3 礻孰 玎 徨鸪脬屙. 剜 徨虺礓邈 玎潋ң 徨蝌酬 螓ғ潲ғ қ囗溧:) 5 焓/2
朽滂篑 R 滂耜炽 爨豚瘥 岢痄彘 尻 
=F ү屦 ү癯鸪脲涑. 蔫耜 驵琨қ螓ғ 镥痫屙滂牦 铖稠 қ囹螓 қ铕қ ү 祛戾眚 礤沐 蝈ң (窝=R/2): 
) FR/2
朽滂篑 r 滂耜稠ң 沐铎弪痂臌қ ө脲ң赍 嚅爨ғ溧 蝾қ ұ琨礓ғ l 犷豚螓 驵瘥қ 滂麴嚓鲨覃 徉қ嚯 ү қ囗溧 痱 铕溧塍 қ噫弪?A) r~l
绣珏痿铕 驵襦ғ囗 囹铎 祛溴氤 犷辂眸:..2 莉铎 鲥眚鸪礓 ң 玎潋嚯ғ囗 漯 徉..4 蓦尻蝠铐溧 ұ辂қ蜞ғ囗 铕徼蜞 犷辂戾 漯铐 嚅磬臌 қ铉ғ嚯噤) 2 ә礤 4
绣眚沐 窈箅 冟痼麥 暑祜蝾 疣篼 赍绯礓邈 蝾霛 辩潲凔睇 电沐痼 Dl=l'-l=l(1朿osq) 纛痨箅囫屙 囗麧蜞豚潲. l 虮疣濖 礤沐 蚝箦脘?) 剜疣蝮 徨蝌硿 澿耔弪稠
项桉 镱 襦轵: