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- dipropyl nitrosamine [化] 二丙亚硝胺
- The result showed that both the rates of interdicting Nitrosamine and elimination of Nitrite could reach up to 90%. 实验结果表明:蚂蚁提取液对亚硝胺合成的阻断率和对亚硝酸根离子的清除率高达90%25。
- People in the high-incidence area gastric nitrosamine compounds were significantly lower than the district. 高发区人胃液中亚硝胺类化合物含量明显高于低发区。
- The chemistry ,content in food and human ingestion of nitrosamine were analysed. 食品中亚硝胺的生成、含量及被人体摄入情况;
- Dipropyl phosphite was prepared form phosphorus thichloride and n-propyl alcohol then chlorinated O,O-dipropyl chlorohosphate, the yield over 90%. 三氯化磷与正丙醇合成亚磷酸二正丙酯再氯化成O,O-二正丙基磷酰氯,收率达到90%25。
- Vitamin C can boost immunity and can prevent the formation of a strong carcinogen nitrosamine. 而维生素C可增强免疫力,能阻止强致癌物质亚硝胺的形成。
- The results indiceated that Elaeagnus angustifolia is not only a pioneer tree,but also a good food to prevent forming nitrosamine from nitrite in body. 试验结果表明,沙枣不仅可以作水土保持、防沙造林的先锋树种,还由于它富含抗氧化物,可作为人体降低体内亚硝胺生成的良好补充源。
- Finally, the catalytic properties of KNO_3/AlSBA-15 for the synthesis of dipropyl carbonate (DPC) by interesterification from dimethyl carbonate (DMC) and propanol were studied. 第四部分,研究了KNO_3/AISBA-15负载型分子筛催化剂用于催化碳酸二甲酯(DMC)与丙醇酯交换合成碳酸二丙酯(DPC)的反应。
- The carcinogenic mechanism of nitrosamine is that it may cause the changes of tumor related gene and suppressor gene in esophageal epithelisl cells. 其致癌机制研究显示,亚硝胺可引起食管上皮细胞相关癌基因抑癌基因发生改变,大大促进癌变。
- The thermal stability of dimethyl methylphosphonate,diethyl ethylphosphonate and dipropyl propyphosphonate in flexible polyurethane foam were studied by thermal analysis method. 用热分析方法研究甲基膦酸二甲酯、乙基膦酸二乙酯和丙基膦酸二丙酯在聚氨酯软质泡沫塑料(PU)的热稳定性能。
- This paper studied on blocking nitrosamine synthesizing in the Western-style ham by adding the active extraction of citrus grandis peel. 本实验研究从柚皮中提取活性物质来阻断西式火腿中亚硝胺的形成。
- This experiment is to imitate roast meat environment in the tube, the idea is finding out main factors of affecting nitrosamine formation. 试验主要是在试管里模拟腌肉环境,意在找出影响亚硝胺形成的主要因素。
- However, the worry concerning nitrosamine among consumers makes the longing for safe replacer for chromogenic reagent has long been our target. 然而,由于人们对随之可能产生的亚硝胺所存在的顾虑,使得午餐肉现有发色剂的安全使用和代用品的寻找一直成为多年来我们不断探讨的课题。
- Results: The maximum capabilities of inhibiting production of nitrosamine and scavenging rate of sodium nitrite were 94.24% and 91.18% respectively. 结果:榛叶提取物对亚硝胺合成的最大阻断率为94.;24%25,对亚硝酸钠的最大清除率为91
- Due to secondary amines existed in some accelerants,which is the main source of nitrosamine,so it is considered to use a new type of accelerant. 由于某些促进剂中含有仲胺,这是亚硝胺的主要来源,因此人们正在考虑使用一类新的促进剂。
- N-dimethyl nitrosamine in food was extracted by Dichloromethane and determined by SIM with gas chromatography-mass spectrometry. 用二氯甲烷对各类食品中的N-二甲基亚硝胺进行提取,利用气质联用仪采用选择离子法(SIM)进行定性定量检测。
- All nipples are made of food grade liquid silicone, which is heat-resistant, non-toxic, non-sticky, odorless, Nitrosamine free and complies with the FDA. 奶嘴全部原材料均采进口食品级液态硅胶;材质安全;不含致癌物质亚硝氨;无毒无味耐高温;符合FDA标准.
- Methods The animal model of Spleen Deficiency induced by vinegar was established,and on the basis of which,nitrosamine was continuously administered 120d. 方法以过食酸味法建立脾气虚证动物模型,并在此基础上连续灌胃2-乙基亚硝胺120天。
- Scientists have discovered that eat vitamin-rich food, strong carcinogen nitrosamine can block the synthesis and reduce the incidence of stomach and esophageal cancer. 科学家发现,多吃富含维生素的食物,可以阻断强致癌物亚硝胺的合成,减少胃癌和食道癌的发生。
- The results indiceated that Elaeagnus angustifolia is not only a pioneer tree, but also a good food to prevent forming nitrosamine from nitrite in body. 试验结果表明,沙枣不仅可以作水土保持、防沙造林的先锋树种,还由于它富含抗氧化物,可作为人体降低体内亚硝胺生成的良好补充源。