学科分类
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7 个结果
  • 简介:你知道吗?其实人的心理和情绪状态会受到食物的影响,譬如有些食物会越吃越愉悦。食物真的有这么大的魔力吗?一起来看看。Thereisanoldsaying:'Youarewhatyoueat.'俗语说:'人如其食。'

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  • 简介:Thefoodindustryusesawidevarietyofprocesseswhicharenotwellunderstood.Currentmodellingandmeasurementapproachesarereviewed,withspecificreferencetoworkatBirminghamonParticletracking(PEPT)andthepotentialoftemperaturetimeindicatorsinprocessvalidation.

  • 标签: heat TRANSFER FOOD processing.
  • 简介:消费者们对容易腐烂的食物的质量给予越来越多的注意,它被存储温度主要影响。这份报纸在温度控制下面为容易腐烂的食物论述一个动态定价模型。为了最大化全部的利润,最佳的价格和存储,温度用Pontryagins最大的原则被获得。一个静态的定价模型被提供与动态的作比较。它被动态政策能比静态的使更多的收入成为的一个数字例子显示出。而且,经理的含意被分析,建议方法的有效性被表明。

  • 标签: 易腐食品 温度控制 动态定价 储存温度 定价模式 最大值原理
  • 简介:在pH,1.0酸的媒介,象甲基绿色(MeG)那样的双chargedtriaminotriphenylmethane染料和碘绿色(IG)与钾氰亚铁酸盐反应由静电的力量和恐水病的相互作用的优点形成2:1离子协会建筑群。它导致吸收和散布的回声瑞利(RRS)和新RRS系列的外观的大改进的变化。二个系统有类似光谱特征和他们的最大的RRS波长都在276nm被定位,更小的山峰分别地在332和457nm被定位。RRS的紧张与集中直接成正比[Fe(CN)6]4吗?在0.035.7g的范围???t

  • 标签: 雷利共振散射 钾氰亚铁酸盐 食物 染色
  • 简介:Background:Theroleofwildfoodsincombatingproblemsoffoodshortageisparamount.However,existingapproachestocombatfoodinsecurityshockhavegenerallyfocusedonreducingvulnerabilityviaincreasingproductivityofdomesticatedfoods.Incontrast,approachesthatenhanceresiliencemainlythroughwildfoodsourceshavebeenlessfocused.ThisstudyexaminedthecontributionofwildfoodstohouseholdresiliencetofoodinsecurityinthegreenfaminebeltofEthiopia.Methods:Across-sectionalsurveyof220householdswasconductedusingastructuredquestionnaire,keyinformantinterviews,andsemi-participantobservations.FactoranalysiswasrunusingSPSStoanalyzedata.Correlationanalysiswasusedtoexaminethedirectionandstrengthofassociationbetweenwildfoodsandtheincomeandfoodaccess(IFA),alatentproxyindicatorofresilience.Cross-tabulationwasalsoruntodeterminetheproportionofhouseholdsineachethno-culturegroupundereachresiliencecategory.Results:Themeanamountofwildfoodsobtainedbyhouseholdswas156.61kgperhouseholdperannum.Thiswasabout5%and9%of,grossand,netfoodavailablefromallsourcesrespectively.Wildfoodscontributedwelltohouseholdresilienceasthefactorloading(Factor2=0.467)waslargeenoughandweresignificantlycorrelatedwithIFA(r=0.174).Wildvegetableswerethemostcollectedandconsumedtypeofwildfoodsconstituting52.4%oftotalamountofwildfoods.Thetotalamountofwildfoodswassmallerthanthatofdomesticatedsourcesoffood.Themajorityofhouseholds(38.6%)reported'reducedsourceofwildfoods'asareasonforthis.Smallerproportionoftheindigenous(11.2%)thanthenon-indigenous(34.1%)ethno-culturegroupreportedoneormorereasonsfortheirlowerlevelofdependenceonwildfoods.Conclusion:Fromthestudyweconcludedthatwildfoodshadimportantcontributiontohouseholds'resiliencetofoodshortagesandarelikelytocontinuetocontributeinthefuture,thisbeingmoretoindigenousthannon-indigenousethno-

  • 标签: 野生食品 埃塞俄比亚 食品安全 粮食安全 家庭 饥荒