Manganese(II) ions as an Autocatalyst Autocatalysis the term used to describe a reaction which is speeded up by a product which acts as a catalyst for the reaction If you plot a rate graph o...
Homogeneous Catalysts Homogeneous?catalyst is in the same physical state (phase) as the reactants This means they are either all gases, or more often, all in aqueous solution Homogenous cata...
Heterogeneous Catalysts A?heterogeneous?catalyst is in a different physical state (phase) from the reactants Heterogeneous catalysts are usually solids whereas the reactants are gaseous or i...
Properties of Catalysts Transition metals are often used as catalysts?in the elemental form or as compounds The ability of transition metals to form more than one stable oxidation state mean...
Haemoglobin Haemoglobin is one of nature's complexes using a transition metal ion The haem molecule is a complex with iron(II) at its centre The haemoglobin complex contains a multidentate l...
全球哪些大學(xué)“盛產(chǎn)”億萬(wàn)富翁？ 最近美國(guó)數(shù)據(jù)咨詢(xún)機(jī)構(gòu)Altrata發(fā)布了一份全球大學(xué)校友富豪排行榜。 將個(gè)人資產(chǎn)凈值超過(guò)3000萬(wàn)美元（約2億人民幣）人士定義為超高凈值（Ultra high net worth | UHNW)人士為標(biāo)準(zhǔn)，并...
商科專(zhuān)業(yè)一直是中國(guó)留學(xué)生青睞的熱門(mén)專(zhuān)業(yè)之一，每年的申請(qǐng)競(jìng)爭(zhēng)壓力也不小。 想要申請(qǐng)相關(guān)院校和專(zhuān)業(yè)，對(duì)于商科的熱情很重要。美國(guó)大學(xué)很看重你在這一領(lǐng)域的投入、參加的活動(dòng)、為社區(qū)做出的貢獻(xiàn)等等。 今年獲得NYU...
關(guān)注PBL賽事的家長(zhǎng)和同學(xué)，CTB這個(gè)賽事對(duì)大家應(yīng)該并不陌生。China Thinks Big（簡(jiǎn)稱(chēng)CTB），由哈佛商學(xué)院和清華大學(xué)經(jīng)管學(xué)院學(xué)者聯(lián)合啟動(dòng)，是以學(xué)術(shù)研究和社會(huì)實(shí)踐推動(dòng)社會(huì)創(chuàng)新的國(guó)際高中生創(chuàng)新活動(dòng)。 參加過(guò)CTB的...
其實(shí)想要獲得好的工作，道路有很多。但可以確定的是，從好的大學(xué)畢業(yè)可能會(huì)讓你更容易在大企業(yè)中找到一份工作。但這并不是一勞永逸的。那么，500強(qiáng)最喜歡的20所美國(guó)大學(xué)是哪些？ 此前，DegreeChoices網(wǎng)站根據(jù)Link...
