糠醛

Hydroxymethyl furfuraldehyde(5 HMF); Danshen Glucose Injection ; Xiangdan Glucose Injection ; HPLC

本文采用高效液相色谱法，研究含丹参的葡萄糖注射液中 5 羟甲基糠醛的检查方法。1 仪器与试药仪器：Agilent1 1 0 0高效

Aim To study the effect of heating temperature and heating duration on HMF formation in different floral honeys.

目的 研究加热过程对不同种类蜂蜜中羟甲基糠醛含量的影响。

Hemicellulose can be also hydrolyzed directly to produce functional food such as oligosaccharides and chemical products such as furfural.

半纤维素还可直接水解制低聚糖等功能性食品和糠醛等化工产品。

Selective dehydration of hexose, such as D-fructose, is one of main synthetic methods for 5-hydroxymethylfurfural.

果糖等己糖选择性脱水是制备5-羟甲基糠醛的主要方法之一。

LVI lube base oil with low pour point,high viscosity and good stability can be produced by means of hydrogenation acid removal,furfural treatment and hydrotreatment .

克拉玛依油田九区稠油是典型的环烷基原油，采用加氢脱酸、糠醛精制、加氢处理等精制工艺能生产出倾点低、粘度大、安定性好的LVI润滑油基础油。

The test result shows that the furfural refining lube oil from Liaohe low-freezing crude oil has low wax content and can be processed into qualified LVI base oils after removing a little naphthenic wax .

试验结果表明：辽河低凝原油润滑油糠醛精制油蜡含量很低，脱除少许环烷蜡即可生产出合格的LVI基础油，润滑油溶剂脱蜡有一最佳油剂比，随着脱蜡温度的下降，润滑油脱蜡量增加，脱蜡油凝点明显降低。

The main reason of high neutralization value in base oil was analyzed.

分析了中国石化茂名分公司基础油中和值高的主要原因，并对降低循环糠醛酸度及中和值的方法进行了工业实验。

So rational using soil opsonin such as weathering coal furfural residue in calcareous soil, can improve the phosphorus validity and the utilization ratio in soil.

因此，在石灰性土壤中合理地施用风化煤、糠醛渣等土壤调理剂，可以增加土壤中的磷的有效性和提高磷肥的利用率。

Results Eleven compounds were isolated and identified as:quercetin(1),kaempferol(2),quercitrin(3),protocatechuic acid(4),gallic acid(5),protocatechuic acid ethyl ester(6),ethyl gallate(7),vanillic acid(8),1,5,7-trihydroxyl-3methylan...

结果得到11个化合物，分别鉴定为：槲皮素(1)、山柰酚(2)、槲皮苷(3)、原儿茶酸(4)、没食子酸(5)、原儿茶酸乙酯(6)、没食子酸乙酯(7)、香草酸(8)、1，5，7-三羟基-3-甲基蒽醌(9)、琥珀酸(10)、5-羟甲基糠醛(11)。结论化合物6、7、9、11为首次从该属植物中分离得到。

Objective:To develop a Triton X-100 solubilization spectrophotometric method for the determination of furaldehyde in the air of workplace.

目的：研究曲拉通100增溶苯胺分光光度法测定作业场所空气中糠醛的方法。

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。