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1、1.Whatisthebasicstructureofcerealcaryopses（果实）?谷物果实基本结构Embryo胚芽;Endosperm胚乳;Seedcoats(Testa)种皮;Pericarp果皮2.WhatisthefunctionofScutellum?胚盘功能Rapidexchangeofwaterandsolutesbetweenscutellumandstarchyendospermingerminationforthenextgeneration.3.Whatarethepropertieso
2、fAleurone?糊粉的特点Thestarchendospermdies,buttheAleuronecellcontinuetorespire(呼吸)ataslowrateforlongtime.胚乳淀粉的死,而是糊粉细胞继续呼吸(呼吸)慢速下降了很长时间4.Whatarethepropertiesoftesta?外种皮的特点Permeability(渗透性)oftestareducesorregulates（控制；调节）waterandgaseousexchange.5.Whatisthestructuralpr
3、opertyoffruitcoats（Pericarp）?水果外皮结构性能--Multilayered(多层的)：protectingandsupportingthegrowingseed.--Innermost(最深处的)layerofpericarp（innerepidermis皮层）--Outermostlayerofpericarp--Hairs(茸毛)6.WhataretheContributionsbybotanical(植物学的)fractionstograinmass?Starchyendosperm8
4、4%;embryo3%;outerpericarp4%;innerpericarp1%;seedcoat1%;nucellus1%;aleurone6%;7.Whatisthemoststriking(显著的；突出的)morphological（形态学）Characteristicofwheat,maizeandrice?小麦玉米大米。。。特征Wheat:acrease腹沟Rice:pales壳ofrice(ridandgroove凸和沟槽)；nocrease;embryo,notfirmlyattachedtothe
5、endosperm;husk20%.Maize:basalpart,narrow;top,broad;embryo,large;pericarp,thicker,robust光滑;tip-cap,hullintheembryo;nohairs,nocellulartestalayer;aleuronecells,colorationinblue8.Whatistheclassificationofimpurities杂质?杂质的分类Vegetable,animal,mineral(矿物质)andother9.Whata
6、retheprinciplesofcleaningandseparation?清洁和分离的原则Surfacecleaning:abrasion摩擦,impact碰撞Separation：size,shape,specific-gravity比重，color,composition10.Whatistheprinciple原理ofaspiration风选andde-stoning?风选的原理Aspiration：terminalvelocity:weight/ratioHighTV:compactspherical球形（
7、cubical）particles碎木料LowerTV:flake-like片状particlesDe-stoning:specific-gravity,selectedmaterial(afterseparationofcoarserandfinerparticlesbysizeandshape)11.Whatdosecleaningmean?清洁意味着什么Cleaning,incontrasttoseparating,isperformedonscourers.12.Whatistheprincipleofloop
8、system?Pleasegiveanexample.环状系统Thefeedratedecreased/efficiencyofseparationincreasedExample:separator10%cutoffwithallseparableimpurities;90%cleangrainwithoutimpurities
