简介：环境友好thermosettingcomposites被作为矩阵混合小麦面筋(WG)准备，钙碳酸盐(CaCO3)由在120掳C塑造混合到交叉连接的压缩作为可塑剂作为filler和甘油列在后面WG矩阵。形态学观察证明CaCO3粒子细微地在矩阵被驱散。直到进composites的10wt%的CaCO3的加入引起了幼仔的模量和张力的力量显著地增加。在另一方面，在裂缝的潮湿吸收和延伸稍微减少了。

简介：Thispresentstudyinvestigatedtheabilityofvarioussoyproteinhydrolysates(SPHs)inbindingcalcium.ItwasdemonstratedthattheamountofCa-bounddependedgreatlyontheSPHsobtainedusingdifferentproteases,whichincluded:neutrase,flavourzyme,proteaseMandpepsin.ThemaximumlevelofCa-bound(66.9mg/g)occurredwhenproteaseMwasusedtohydrolyzesoyprotein.PeptidefragmentsexhibitinghighCa-bindingcapacityhadmolecularweightsofeither14.4or8-9kDa.ThelevelofCa-boundincreasedlinearlywiththeincrementofcarboxylcontentinSPHs,andfurtherdeamidationonSPHsfromproteaseMimprovedCa-bindingofthehydrolysate.

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简介：Anewmethodforthedeterminationoftracecalciumbysolidsubstrate-roomtemperaturephosphorimetryisestablished.ItisbasedonthefactthatchromeazurolsazurolS-phenanthroline-NaCMC(CAS-phen-NaCMC)systemcanemitstrongandstableroomtemperaturephosphorescence(RTF)onthesolidsubstrateinthefilterpaper.Ca2+andphenanthrolinecanformcomplexionCa(phen)32+,whichwillformcomplex[Ca(phen)3(CAS)2]withCAS.Intheresult,thenumberofCASmoleculesineachspotincreased,causingsharpincreaseoftheRTPsignaloftheCAS-phen-NaCMCsystem.

简介：Thepurposeofthisresearchistoinvestigatethepotentialofpre-treatmentwithphosphoricacid(PA)andmonobasiccalciumphosphate(MCP)forthestabilizationofheavymetalsinsludgeanditsbottomash.ThetannerysludgesampleswerecollectedinWenzhou,Chinaandheavilycontaminatedwithheavymetals,suchasPb,Crandsoon.Thesampleswerepre-treatedwithPAorMCP.ThenXRDandTCLPtestswereadoptedastheevaluatingmethodstocharacterizethePb,Cr,Cu,ZnandCdimmobilizationinthepre-treatedsludgeanditsbottomash.TheresultsshowedthatthistreatmenteffectivelyimmobilizedPbandCdinthesludge,lightlystabilizedthemetalCu,andadversely,enhancedtheleachabilityofZn.Afterincinerationat900℃,PbandCrinthebottomashofpre-treatedsludgeweresignificantlystabilizedduetotheformationoftheirhighlythermostablephosphatesandpyromorphite-likemineralsduringtheincinerationprocess.However,anincreaseofCuandZnsolubilitywasobservedwhichmightbeattributabletotheacidificationofsludgeduetotheadditionofPAorMCP.

简介：Calciumsulfatehemihydrate（CSH）whiskersweresynthesizedbyphasetransitioninCaCl2solutionunderatmosphericpressure.Analytical-gradecalciumsulfatedihydrate（ARCSD）wasusedastherawmaterialforthesynthesisofCSHwhiskers,accordingtoorthogonalexperiments.Theeffectsofreactiontemperature,ARCSDcontent,H2SO4content,andreactiontimewereinvestigated,andthecrystallizationconditionswereoptimized.Theas-preparedCSHwhiskersdisplayedaregularmorphologyandahighlyuniformsize,withanaspectratioof105.AsimulationsystemwasalsoestablishedbyblendingvarioussulfateswithARCSD,toevaluatetheeffectsofimpuritiesinfluegasdesulfurization（FGD）gypsum.ThemainaimwastoprepareCSHwhiskersdirectlyfromFGDgypsum,withoutanypurification,usingtheoptimizedconditions.Thisisafacilepotentialalternativeprocessforlarge-scaleproductionofCSHwhiskersusingabundantFGDgypsumassourcematerials.

简介：我们理论上调查通过置闰在转变金属dichalcogenidebilayers完成一个超导的国家的可能性，一个过程以前并且广泛地过去常在新奇超导体完成metallization和超导的国家。为设置Ca的bilayers瞬间2和WS2,，我们发现超导的国家被分别地联合比1.0大的常数和13.3和9.3K的超导的批评温度的电子声子描绘。这些结果比预言或试验性地观察了二维的常规超导体的其它优异并且建议调查材料可以是nanoscale超导体的好候选人。更有趣地，我们证明获得的热力学的性质超出吝啬地的Bardeen-Cooper-Schrieffer近似的预言并且在强壮联合的Eliashberg理论的框架以内进行的计算应该被当作产出量的结果的那些。

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简介：草酸钙的同时的生长上的钾柠檬酸盐(K_3cit)的导致的效果单音--(COM)，di-(货到付款)，和在合成的尿的trihydrate(简易窄床)晶体与凝胶状的technique.K_3cit能导致的两倍散开被观察货到付款和简易窄床的形成，禁止聚集并且减少COM晶体的表面积。它支持了clinical使用ofK_3cit并且可以为新药在痊愈并且在搜索提供重要线索给这疾病。

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简介：Theinfluencesofmagnesiumandferricionsintheirdifferentratiosontherateofgypsumcrystallizationwerestudiedundertheconditionssimilartothoseofwetflue-gasdesulfurization(WFGD).TheresultsshowthatadditionofbothMg2+andFe3+increasedinductiontimeanddecreasedthegrowthefficiencyupto50%comparedwiththebaseline(withoutimpurities)dependingontheconcentrationandthetypeofimpurity.TheeffectsofMg2+andFe3+onthesurfaceenergyandtherateofnucleationwereestimatedbyemployingtheclassicalnucleationtheory.Thesurfaceenergydecreasedby8%and14%withtheadditionof0.02mol/Lmagnesiumorferricions,respectively,comparedtothebaseline.Mg2+andFe3+madethegrowthrateofthe(020),(021)and(040)facesofgypsumcrystalamuchgreaterreduction,whichleadstotheformationofneedlecrystalscomparedtothebaselinewhichfavorstheformationofplateorflakes.Furthermore,anedgedetectionprogramwasdevelopedtoquantifytheeffectsofimpuritiesonthefiltrationrateofgypsumproduct.Theresultsshowthattheinhibitionefficiencyofthepresenceof0.02mol/LMg2+andFe3+onthefiltrationrateofgypsumcrystalrangesfrom22%to39%.

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简介：hard-core/soft-shell钙碳酸盐(CaCO3)的合成/poly(甲基methacrylate)(PMMA)混合结构化的nanoparticles(<100nm)由把分裂成原子的微乳液聚合，过程被报导。聚合物链通过acoupling代理人的使用被抛锚到nano-CaCO3的表面上，triethoxyvinylsilane(TEVS)。铵persulfate(APS)，钠dodecyl硫酸盐(SDS)和n-pentanol分别地被用作开始者，表面活化剂和cosurfactant。coreshell乳胶粒子的聚合机制被讨论。由PMMA的nano-CaCO3的封装用一台传播电子显微镜(TEM)被证实。coreshell粒子的grafting百分比被thermogravimetric分析(TGA)调查。nano-CaCO3/PMMAcoreshell粒子被Fourier变换描绘红外线(FTIR)光谱学和微分扫描热量测定(DSC)。FTIR结果在nano-CaCO3粒子和PMMA的接口揭示了一个强壮的相互作用的存在，它成功地暗示聚合物链是grafted到通过联合代理人的连接的nano-CaCO3粒子的表面上。另外，TGA和DSC结果与纯nano-PMMA的相比显示了coreshell材料的热稳定性的改进。nano-CaCO3/PMMA粒子被混合进聚丙烯(PP)矩阵由融化处理。它能也用扫描PMMA锁住的电子显微镜学(SEM)被观察grafted在聚合物矩阵(PP矩阵)防碍到CaCO3nanoparticles上CaCO3的聚集并且因此与PP矩阵改进CaCO3nanoparticles的相容性。