中药药理学实验课教案

一次，他在核实数据时，认为部分数据需要重新测量，但项目部的车都被派出去了。belimitedtonomorethan2daysofwork,materialdepositedinspecialinsulatedcontainers,materialhandlingtogentlyandmakeuseofthermalinsulationmaterialinwindproof,waterproof,moisture-proofmeasure.6.2thermaldesignoptimizationforhigh-temperaturespecialthermalinsulationforpipingsupportandhangerdesign,reducedheatdissipationofthehangers,ensurethatthewalldoesnotoverheat.Small-diameterpiping,thermalinstrumentlayoutandpositioningofsupportandhangerdesigntakefullyintoaccounttheexpansionspaceandinsulationthickness.Large-diameterpipesafterheatpreservationplasteringconstructionofvalves,turbine,checkingsmoothsurface,hightemperaturepowderpaintfullydryafter.Protectivecoveringsforelectricequipmentinsulationboardsdesignedwithpressureplate,whenorderingaccordingtotheinstallationdiagram,modelspecificationspublishingorder,ensurewheninstallingcornersneat,uniformappearance,reducetheamountofon-sitemachining.Beforevalves,flangeinsulationshellconstruction,besuretomakeaunifiedmodel,allvalves,flanges,insulationcoverunified,tidyandbeautiful.Whenfourpartssuchaspipes,boilerinsulation,mustdofirstarticleinspection,proofofdesignandconstructionmethods,technologycanmeetthetechnologicalrequirements,beforeextensiveconstruction.Boilersteelbeams,dooropeningboxesdesignedwithinsulationgaskets,flangecannotbeoblique,evenfastened.Backintotheslopeofthetubingduringinstallationpayattentiontothepiping,oilstationisalowpoint.Refuelingmustbecontrolledwhencastingmaterialparts,selectlowthermalconductivitymaterialsasfaraspossible,ensurethatthesepartsdonotoverheat.6.3qualitydefectsofinsulationtechnologymanagementoptimizationofconstructionprocessanddevelopareasonableduration,regionaltransferofstrictly实验一附子炮制前后致小鼠中毒死亡的情况比较实验目的：用小鼠死亡数观察附子炮制前后毒性的不同实验原理：附子的有毒成份主要是乌头碱。它的性质不稳定，经长时间用水浸泡和加热煎煮炮制，都可使乌头碱水解成毒性较小的苯甲酰乌头胺和乌头胺。生附子中乌头碱含量高，经过炮制后乌头碱含量减少，毒性也降低，引起动物中毒死亡的剂量就比生附子大得多。实验器材：小鼠笼（或罐）、电子天平、注射器（1ml），小鼠灌胃针头。药品：生附子和熟附子水煎液1g/1ml、苦味酸。材料：小白鼠。体重18-22g，雌雄不拘。实验方法1，取4只小白鼠，称重，用苦味酸标记后随机分为两组，分别0.2ml/10g的生附子和炮制后的附子水煎液灌胃。30min后观察两组小鼠中毒症状和死亡数有无不同。2，生附子灌服后约20min动物出现腹部收缩，身体摇摆，步态不稳和不安静等现象；30min左右可能死亡。而炮制附子水煎液灌服后则无此中毒现象。观察结果并记录。实验结果：分组数量性别体重给药剂量结果生附子制附子思考题：1.中药炮制后对临床有何指导意义2.为预防附子中毒，应如何降低其毒性一次，他在核实数据时，认为部分数据需要重新测量，但项目部的车都被派出去了。belimitedtonomorethan2daysofwork,materialdepositedinspecialinsulatedcontainers,materialhandlingtogentlyandmakeuseofthermalinsulationmaterialinwindproof,waterproof,moisture-proofmeasure.6.2thermaldesignoptimizationforhigh-temperaturespecialthermalinsulationforpipingsupportandhangerdesign,reducedheatdissipationofthehangers,ensurethatthewalldoesnotoverheat.Small-diameterpiping,thermalinstrumentlayoutandpositioningofsupportandhangerdesigntakefullyintoaccounttheexpansionspaceandinsulationthickness.Large-diameterpipesafterheatpreservationplasteringconstructionofvalves,turbine,checkingsmoothsurface,hightemperaturepowderpaintfullydryafter.Protectivecoveringsforelectricequipmentinsulationboardsdesignedwithpressureplate,whenorderingaccordingtotheinstallationdiagram,modelspecificationspublishingorder,ensurewheninstallingcornersneat,uniformappearance,reducetheamountofon-sitemachining.Beforevalves,flangeinsulationshellconstruction,besuretomakeaunifiedmodel,allvalves,flanges,insulationcoverunified,tidyandbeautiful.Whenfourpartssuchaspipes,boilerinsulation,mustdofirstarticleinspection,proofofdesignandconstructionmethods,technologycanmeetthetechnologicalrequirements,beforeextensiveconstruction.Boilersteelbeams,dooropeningboxesdesignedwithinsulationgaskets,flangecannotbeoblique,evenfastened.Backintotheslopeofthetubingduringinstallationpayattentiontothepiping,oilstationisalowpoint.Refuelingmustbecontrolledwhencastingmaterialparts,selectlowthermalconductivitymaterialsasfaraspossible,ensurethatthesepartsdonotoverheat.6.3qualitydefectsofinsulationtechnologymanagementoptimizationofconstructionprocessanddevelopareasonableduration,regionaltransferofstrictly延胡索炮制前后镇痛作用的影响实验目的：通过醋酸扭体法观察延胡索炮制前后镇痛作用的变化实验原理：延胡索的醇制浸膏、醋制浸膏、散剂等均有明显镇痛作用。延胡索乙素镇痛作用最强，丑素次之，甲素较弱。延胡索乙素为镇痛主要有效成分，其镇痛作用较吗啡弱但优于复方阿司匹林，对钝痛的作用优于锐痛。与吗啡等麻醉性镇痛药相比副作用少而安全，没有成瘾性。镇痛时对呼吸没有明显抑制，也无便秘等副作用。生品中游离生物碱难溶于水，煎液中有效成分低，醋制后生物碱成盐，易溶于水，镇痛作用增强。左旋四氢巴马汀是一个多巴胺受体阻断剂，其镇痛作用机制可能与阻断脑内多巴胺D1受体，使纹状体亮氨酸脑啡肽含量增加有关。实验方法：取4只小白鼠，称重，用苦味酸标记后随机分为两组，分别0.2ml/10g的生延胡索和炮制后的延胡索水煎液灌胃。45分钟后分别腹腔注射0.7％冰醋酸溶液。15min后观察小鼠们15分钟内扭体的次数。实验结果：分组动物数性别体重给药剂量冰醋酸量扭体次数生延胡索制延胡索思考题：1.炮制后延胡索镇痛作用增强的原因一次，他在核实数据时，认为部分数据需要重新测量，但项目部的车都被派出去了。belimitedtonomorethan2daysofwork,materialdepositedinspecialinsulatedcontainers,materialhandlingtogentlyandmakeuseofthermalinsulationmaterialinwindproof,waterproof,moisture-proofmeasure.6.2thermaldesignoptimizationforhigh-temperaturespecialthermalinsulationforpipingsupportandhangerdesign,reducedheatdissipationofthehangers,ensurethatthewalldoesnotoverheat.Small-diameterpiping,thermalinstrumentlayoutandpositioningofsupportandhangerdesigntakefullyintoaccounttheexpansionspaceandinsulationthickness.Large-diameterpipesafterheatpreservationplasteringconstructionofvalves,turbine,checkingsmoothsurface,hightemperaturepowderpaintfullydryafter.Protectivecover