查询词典 phenols
- 与 phenols 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The fiber components determined included nonstarch polysaccharides, lignin and ploy-phenols, cell wall protein, and minerals. On average, in comparision to Canola meal, Chinese double-low rapeseed meals contained the similar or more amounts of sucrose,CP and lysine,but the much different amounts of DF,in particular,the cell wall protein,which depended on the processing methods. In addition.the content of glucosinalates varied amoug the sample. Comparing with the corresponding de-fatted seed samples, the amounts of sucrose,lysine and dietary fiber varied obviously in terms of processing technolngy.
饲粮总纤维由非淀粉多糖、木质素和多酚、细胞壁蛋白质和矿物质组成。3个中国双低菜粕的粗蛋白、蔗糖及必需氨基酸含量均接近或高于卡诺拉帕,但饲粮总纤维含量显著不同,尤其是蛋白质含量由于加工方式不同变异极大,在试验室条件下加工的脱脂种籽样品与相应的饼粕样品相比,蔗糖、赖氨酸和饲粮纤维含量变化显著。
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In a DMF solution of CuCl〓-ethanolamine-acetic acid (1: 2: 2), 27 formed a highly oxidized heterocyclic compound 2-hydroxymethyl-naphtho [1, 2-a] oxazole (30) by the carbon-nitrogen coupling and carbon-oxygen coupling with the ligand of ethanolamine, which brings a chance to develop a novel approach to this heterocyclic compound via one-pot reaction of phenols under mild condition.
在氯化铜—乙醇胺—乙酸(1:2:2)的DMF溶液中,27与配体乙醇胺发生碳氮偶合与碳氧偶合,生成深度氧化的杂环化合物:2-羟甲基-萘并[1,2-a]〓唑(30)。这可望为酚类一锅化直接转化为30及其类似物提供一种简便的新合成路线。
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The free phosphonic groups shielded most of the Lewis-acid sites on the surface of zirconia and imparted negative charges on the surface at high pH, resulting in excellent resolution for phenols and a great improvement for the separation of benzoic acids.
在该固定相上,酸性化合物的色谱性能得到明显改善,硝基酚、苯二酚等在氧化锆上通常难以洗脱的酚类化合物,均得到了高效分离。
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Uncatalyzed Michael addition with polyhydric phenols to the base resin improves structural characteristics.
非催化Michael加成与多元酚基树脂改善结构特点。
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Results: Two of them may contain the same chemical component patterns, polyose, acid tannic, phenols, organic acid, flavonoids, anthraquinone, cardiac glycoside, triterpenoids and its saponin etc.
结果:两者所含的化学成分类型基本相同,可初步确定其可能含有多糖、鞣质、酚类、有机酸、黄酮类、蒽醌类、强心苷、三萜类化合物及其皂苷等化学成分。
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A few of aryl pyridylalkyl ethers were synthesized by Mitsunobu reaction from substituted phenols 1a-b and pyridyl alcohols 2a-e at room temperature in 45%~70% yields.
在室温下,以取代苯酚1a-b和吡啶烷基醇2a-d为原料通过Mitsunobu反应合成了相应的芳基吡啶烷基醚,反应收率为45% ̄70%,反应物2和1之比为1.11∶。
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In this thesis, the acute lethal toxicity to Rana japonica tadpoles, the short-term phytotoxicity to Cucumis sativus and the population growth inhibition toxicity to Tetrahymena pyriformis of selected substituted phenols with multiple mechanisms of toxic action were compared and interspecies correlation was investigated.
本文比较了具有多种毒性作用机制的取代苯酚对两栖动物幼体的急性致死性毒性、对高等植物生长的抑制毒性以及对原生动物—四膜虫的种群生长抑制毒性,探讨了这一类污染物的毒性作用机制,进行了种间相关性研究。
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Chemical Products, Chemicals: inorganic acid, sodium compounds, potassium compounds, calcium compounds, barium compounds, manganese compounds, chromium compounds, nickel compounds, zinc compounds, magnesium compounds, aluminum compounds, single-element chemical products, even items of the five machines Chemical products, paraffin, waxes other chemicals, coke, oil and chemicals, alcohol, aldehyde chemicals, acetate chemicals, ketones, ethers, phenols chemicals, alkanes, alkenes, acetylene chemicals, amine chemicals, aromatic chemicals, Miscellaneous organic chemicals, acid chemicals, other chemicals, dyes and intermediates, pigment materials, plastic materials, agricultural chemicals: fertilizers, pesticides, growth agents, plastic sheeting, etc., equipment, pyrophoric alloys, articles of combustible materials , chemical reagents, rubber, imports, machinery and equipment, machinery and equipment, apparatus; photographic equipment; printing equipment; general machinery; textile equipment; Machine Components; a variety of equipment, Shanghai, Zhejiang, Guangdong, Jiangsu high-quality, low-carbon The new satellites technology goods manufacturers, exporters, wholesalers, traders, USA, United States importers, wholesalers, retailers, investors, designers, planners, please contact our office, George Chen, Mobile :+
化工产品类,化工原料:无机酸,钠化合物,钾化合物,钙化合物,钡化合物,锰化合物,铬化合物,镍化合物,锌化合物,镁化合物,铝化合物,单元素化工品,什项五机化工品,石蜡、蜡类其他化工品,焦、油化工品,醇、醛化工品,酯化工品,酮、醚、酚化工品,烷、烯、炔化工品,胺化工品,芳烃化工品,什项有机化工品,羧酸化工品,其它化工原料,染料及中间体,颜料原料,塑料原料,农用化工品:化肥,农药,生长剂,农膜等,器材,引火合金,易燃材料制品,化学试剂,橡胶,进口,机械设备,机械及设备,仪器;摄影器材;印刷器材;通用机械;纺织器材;机械基础件;各种成套设备,中国上海,浙江,广东,江苏优质,低碳,新颗科技商品生产商,出口商,批发商,贸易商,美国,美利坚合众国进口商,批发商,零售商,投资商,设计师,规划师们,请与我处联系,George Chen,Mobile:+
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To understand effects of different packaging on lipid peroxidation and antioxidant ability of Torreya grandis nuts during storage at room temperature, we used T. grandis nuts and measured acid value, peroxide value, total phenols, DPPH scavenging activity and inhibition of linoleic acid oxidation by TBA of nuts during storage.
以香榧坚果为材料,研究不同包装方式对香榧原料和加工后成品的酸价、过氧化值、总酚含量、DPPH自由基清除能力和和抑制脂质过氧化作用的影响,以期了解真空包装对香榧坚果贮藏过程中脂肪氧化和抗氧化活性的影响。
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The third category is planted second-generation Chinese fir, the soil phenol content is highest. It shows that along the ecosystem conversion, or as the increase of Chinese fir planted generation, the phenols in soil are accumulated to a certain extent.(6) Detecting the soil of four systems and found that there exist p-hydroxybenzoic acid, vanillic acid and ferulaic acid, but not exist cinnamic acid.
根据主成分分析结果,大致可以把4种系统分成3类,第一类为天然更新常绿阔(来源:ABC论文8f网www.abclunwen.com)叶林,其土壤酚含量低;第二类为老龄杉木林和二代杉木萌芽天然更新林,其土壤酚含量较高;第三类为二代杉木人工林,其土壤酚含量最高。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。