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- UV and nitrous acid 紫外线和亚硝酸
- The paper investigates the influence of ultraviolet ray and nitrous acid on suspension of single cell hyphal body from flammulia velutipes. 通过对金针菇菌丝进行机械破碎,再经棉柱过滤后,获得了菌丝断片单细胞悬液,利用紫外线及亚硝酸对其诱变。
- Modified dicyanodiamide-formaldehyde,a flocculating-decolorizing agent was synthesized by using dicyanodia-mide(DCD)f,ormaldehyde(HCHO)and nitrous acid natrium(NaNO2)catalyzer. 以双氰胺和甲醛为主原料,以亚硝酸钠为催化剂,在一定条件下制备改性双氰胺甲醛脱色絮凝剂后不经分离直接处理溴氨酸水溶液。
- Studies on UV and IR Spectrum of Ursolic Acid in Sambucus Chinensis Lindl. 陆英提取物乌索酸的紫外和红外光谱研究。
- The absorption spectrum of PSPV is verified by UV and IR methods. UV法及IR法检测证明其有多糖的特征吸收谱,为高纯度的多糖。
- It has studied the action of hydrogen peroxide on nitrous acid. 它研究了过氧化氢对亚硝酸的作用。
- 2.Ultraviolet light and nitrous acid are the mutagens of choice for T. viride-285.They are highly effective when used together. 2.在所使用的诱变剂中以紫外光和亚硝酸为好,特别是将它们进行复合处理时效果更佳。
- Gives water repellent layer and peotects car body from UV and acid rain. 形成强力拨水保护层、抗紫外线、抗酸雨、防褪色、防劣化。
- Nitrosophenols are formed very easily by the action of nitrous acid on phenols. 以亚硝酸作用于酚,很易制得亚硝基酚。
- The univalent radical NO2 or a compound containing it, such as a salt or an ester of nitrous acid. 亚硝酸根,亚硝酸盐或酯以一价的根NO2为特征或含有此根的化合物,如亚硝酸盐或酯
- To oxidize(an ammonia compound)into nitric acid, nitrous acid, or any nitrate or nitrite, especially by the action of nitrobacteria. 硝化将(氨的化合物)氧化成硝酸、亚硝酸或任何硝酸或亚硝酸酯,尤指通过硝化细菌的作用
- The cover adopts high-strength PC tube which resists UV and impulse. 外壳采用高强度PC管,抗UV,抗冲击。
- To oxidize(an ammonia compound)into nitric acid,nitrous acid,or any nitrate or nitrite,especially by the action of nitrobacteria. 硝化将(氨的化合物)氧化成硝酸、亚硝酸或任何硝酸或亚硝酸酯,尤指通过硝化细菌的作用
- UV and VUV diffuser bidirectioncal reflectance distribution function. 标 签 紫外-真空紫外 漫反射板 双向反射比分布函数。
- The UV and solar sensors are located at the top end of the enclosure. 紫外线和太阳光的感应器位子在仪器外壳的顶部末端.
- To oxidize (an ammonia compound) into nitric acid, nitrous acid, or any nitrate or nitrite, especially by the action of nitrobacteria. 硝化:将(氨的化合物)氧化成硝酸、亚硝酸或任何硝酸或亚硝酸酯,尤指通过硝化细菌的作用
- I have sent Nitrous acid sample to you by TNT, but I made no warning lable on the sample bag since it is dangerous cargo. 我已经从tnt给你寄了亚磷酸样品;由于是亚磷酸危险品;所以我没有在样品袋上贴标签.
- Method: ICP-AES,UV and HPLC were used to determine the contents of trace elements,chlorogenic acid,total flavonoids,five iridoid glucosides,hederagenin,and oleanolic acid. 方法:用ICP-AES测定药材中微量元素含量,UV测定绿原酸、总黄酮含量,HPLC测定环烯醚萜苷、常青藤皂苷元、齐墩果酸的含量,并用SAS统计分析系统进行聚类分析。
- Methane and nitrous oxide increases derive from agricultural practices and the burning of fossil fuels. 而甲烷与一氧化氮的增加,则来自农业活动与燃烧化石燃料。
- The reaction of triphenyltin with nitrous acid in aqueous phase in the presence and absence of O2 was studied by a laser flash photolysis technique. 利用激光闪光光解技术进行了有氧和无氧条件下氯化三苯基锡与亚硝酸水溶液的紫外光解反应研究。