再蒸馏

The Semen Gleditsiae of the reactant liquid at the lower layer is removed through adjusting the PH value and then the reactant liquid is decolored through carbon by adjusting the PH value; then the mixture is distilled under decompressed condition to get rid of the water, thus getting 75% crude glycerin.

所得下层反应液通过调节pH值除去皂角，再经调节pH值进行活性炭脱色，减压蒸馏除去水分，得到75％的粗甘油。

The production technology is potato material is boiled, saccharified, fermented, distillated, and dehydrated, then it is denatured to be ethanol, the new fuel of internal-combustion engine.

其生产工艺为：薯类原料经过蒸煮、糖化、发酵、蒸馏、脱水后，再进行变性，成为可供内燃机燃烧的新能源燃料乙醇。

The distillated condensate of furnace gas showed that NH3 cleaning efficiency will reach to 98% and the recovery rate of CO2 reach to 30% while adoptingMl asabsorber, CO2 in tail gas recovered for carbonation-soda ash production, then ammonia and CO2 are recovered; the condensation of ammonia in waste water is lower than 0.5tt, CO2 is below 0.03tt, so it can be used directly as soft water, then it has decreased the total quantity of various water containing ammonia in soda ash making system and improved environment.

蒸馏炉气冷凝液表明，以M I作为吸收剂，NH_3的净氨率达到98％，CO_2回收率达到30％，尾气中的CO_2再用于碳化制碱，氨和二氧化碳得到回收利用；废淡液中氨的浓度低于0.5tt，CO_2低于0.03tt，可直接作为软水使用，降低了含氨杂水的总量，使纯碱系统不再多余含氨杂水，改善了环境。

Whisky, refers to a broad category of amber color alcohol that are distilled from fermented grain mash and aged in oak casks, the word 'whisky' is from the Scotch Gaelic ' uisge-beatha ', which means 'water of life'.

威士忌酒是以大麦芽和其它谷物为原料，加酵母菌发酵，经过蒸馏获得烈性酒，再经木桶长期贮存、陈化而成。酒呈琥珀色，味微辣而醇香。威士忌这个字是来自苏格兰古语 GAELIC 中的&UISGEBAUGH&或&UISCEBEATHA&，其意思是。

The librated ammonium is distilled, collected in an acidic solution, and determined by a neutralization titration.

蒸馏衩收集在酸性溶液中，再利用中和滴定进行测定。

Underoptimal conditions, in toluene / dimethyl phthalate / TBP, after EAHQ was oxidizedwith 〓, then the catalyst and styrene were added, the conversion of styrene basedon EAHQ is 68%, the selectivity for styrene oxide based on styrene is 92% and theTON of the catalyst is 500; in toluene / phenyl ether / TBP, epoxidation of styrenewas performed with 〓 generated in situ, the conversion is 46%, the selectivity is94% and the product can be separated by distillation under reduced pressure.

优化条件下，甲苯／邻苯二甲酸二甲酯／TBP(2／2／1，体积比)中，EAHQ先用〓氧化完全后，再加入催化剂A和苯乙烯进行环氧化反应苯乙烯相对于EAHQ的转化率为68％，生成环氧苯乙烷的选择性为92％，催化剂A的TON达到500；甲苯／二苯醚／TBP(1／3／1，体积比)中，原位生成〓条件下苯乙烯相对于EAHQ的转化率为46％，生成环氧苯乙烷的选择性为94％，产物可通过减压蒸馏分离。

A new method of oscillographic titration for the determination of nitrogen content in flour is described The sample was digested with H 2SO 4 Na 2SO 4 CuSO 4 Oscillographic titration is conducted on NH + 4 with Na TPB method,then calculate the nitrogen content Compared with standard methods,this method choose innoxious titrant,has a sharp titration endpoint, needs no distillation absorption and indicator It has the advantages of being easy and quick in operation,and the determination re...

研究了面粉中蛋白质含量的示波滴定法。样品用H2 SO4 Na2 SO4 CuSO4 消化处理，N以NH4 +的形式存在于试液中，用过量四苯硼钠沉淀铵，沉淀过滤，过量的四苯硼钠用氯化四乙基铵标准溶液返滴定，以四苯硼钠切口消失为终点，计算出氮含量，再换算为蛋白质含量。与通用的标准分析方法相比较，本方法所用试剂无毒，终点变化敏锐，不需蒸馏吸收，不外加指示剂，具有操作简便、快速，测定结果准确可靠。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。