查询词典 aromatic

Processes for producing aromatic monomers useful for forming polyesters are disclosed.

公开了制备用于形成聚酯的芳香族单体的方法。

Aromatic polyamides are a class of high-performance polymers and they are widely used in various fields due to their high thermal stability and good mechanical properties.

聚芳酰胺是一类重要的特种工程塑料，具有优异的耐高温性能、力学性能和绝缘性能，广泛应用在航天、电子、现代通讯等尖端领域。

The fluorinated aromatic polyamides exhibited high thermal stability with T〓 of 195-285℃ and T〓 higher than 440℃.

其玻璃化转变温度在195-285℃之间，5％失重温度大于440℃，介电常数在3.25-3.41之间。

Inspection and Testing of Harmful substances: Heavy metal, ROHS, PAHS (polycyclic aromatic hydrocarbons), POHS, SVHC, halogens, plasticizers, formaldehyde, AZO, VOC and asbestos etc.

有害物质检测：重金属、 ROHS 、 PAHS、 POHS 、 SVHC 、卤素、增塑剂、甲醛、偶氮、 VOC、石棉等。

The experimental results show that at pH 6,the recovery of phenols is 76.6%and of aromatic amines is 64.7%.

实验结果表明，在pH值为6时萃取水样，氯仿-乙醚对苯酚、苯胺的萃取回收率分别为76.6%及64.7%。

For the first three months of pregnancy, women should try to avoid perming hair, perming agents due to the nitro-containing compounds and alkaline hydrogen peroxide; especially hair dyes containing nitro-, amino-aromatic compounds, may affect fetal development, resulting in severe fetal deficiency occurred.

对于怀孕头三个月的妇女，应尽量避免烫发染发，因烫发剂中含碱性的硝基化合物和过氧化氢；特别是染发剂含有硝基、氨基的芳香族化合物，会影响胎儿的发育，严重的导致胎儿发生缺陷症。

TiO2/SO4 2 as an efficient and convenient catalyst for the preparation of aromatic oximes has been presented.

在TiO_2／SO_4~(2-)固体超强酸催化下，芳香族醛、酮与盐酸羟胺作用生成了系列芳香族肟。

With the oxidative rate of four aromatic compounds catalyzed by SLO under different conditions, the inhibitive rate and the 50% inhibitory concentration of these antioxidants for the oxidations were calculated, respectively.

根据不同条件下SLO对四种芳香化合物氧化的速度，计算出各调节物对SLO介导这类化合物氧化的抑制率及半数抑制浓度。

Laccase (benzenediol: oxygen oxidoreductase: EC 1.10.3.2) is a type of multi copper-containing polyphenol oxidases capable of oxidizing a wide range of polyphenols and other lignin-derived aromatic compounds, and the enzyme is involved in lignin degradation and in the development of soil humus.

漆酶(EC 1.10.3.2，对苯二酚：氧氧化还原酶)是一种含多个铜原子的多酚氧化酶，催化氧化多种芳香族化合物，在木质素矿化降解、腐殖质形成等过程中发挥重要作用。

The fruit aromatic components in Owari satsuma, Jincheng sweet orange and acid orange were analyzed by headspace solid phase microextraction combined with GC-MS.

采用顶空固相微萃取-气质联用技术对大叶尾张温州蜜柑、锦橙和酸橙3种柑橘果实的香气成分进行分析测定。

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。