除去二氧化碳

The ethanol from biomass removes impurities, for example carbon dioxide, fusel oil ect, in ethanol distillation process, and then goes into the reactors for dehydration reaction in gaseous state after preheating vaporization.

由生物质制得的乙醇在精馏段除去二氧化碳、杂醇油等杂质，精馏后的乙醇经过预热汽化在气相状态下进入反应器进行脱水反应。

The price pricking beer is 3 5 times higher than familiar equal amounts beer , investigates whose cause to have several aspect down: One, has been fresh beer because of it , has kept fine taste of beer and nutrition; That sterile condition demands is strict among it's two , procedure of production, equipment investment is big, be going to want the strict sterility course film fliteration or hole fliteration, besides all microorganism , beer barrel and production environment before irrigating dress; It's three , marketing way have been unique , had been going carrying out the carbon dioxide cooling down and supplementing by the fact that fresh beer sells machine, have made use of carbon dioxide pressure to give beer and , have avoided beer contacting air but have produced oxide taste; It's four, has been that scheduled time is not long because of barrelled fresh beer guarantee quality , the dealer has born certain risk, if being able to not sell out in time, meeting bring about very big economic losses.

扎啤的价格比同等量的熟啤酒高3—5倍，究其原因以有下几个方面：其一，因为它是鲜啤酒，保持了啤酒良好的口味和营养；其二，生产过程中，无菌条件要求严格，设备投资大，在灌装前要经过膜过滤或孔过滤，除去所有的微生物，啤酒桶和生产环境也要严格无菌；其三，销售方式独特，要过通过鲜啤酒销售机进行降温和补充二氧化碳，并利用二氧化碳压送啤酒，避免了啤酒接触空气而产生氧化味；其四，是因为桶装鲜啤酒的保质期不长，经销商承担了一定的风险，如果不能及时售出，会造成很大的经济损失。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。