氢氧化钠
- 与 氢氧化钠 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Ingredients : Natural organic oil (avocado, olive, palm, coconut, castor); natural essential oil (white camphor, peppermint oil, eucalyptus oil); purified water and sodium hydroxide.
成份 :天然有机鳄梨油,橄榄油,棕榈油,椰油,篦痲油,白樟脑,薄荷精油,尤加利精油,天然泉水和氢氧化钠。
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Ingredients : Fresh Artemsia argyi leaves extract, natural organic oil (avocado, olive, palm, coconut, castor); natural essential oil (white camphor, peppermint oil, eucalyptus oil); purified water and sodium hydroxide.
成份 :鲜穿心莲叶萃取物,天然有机鳄梨油,橄榄油,棕榈油,椰油,篦痲油,白樟脑,薄荷精油,尤加利精油,天然泉水和氢氧化钠。
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Paniculata leaves extract, natural organic oil (avocado, olive, palm, coconut, castor); natural essential oil (white camphor, peppermint oil, eucalyptus oil); purified water and sodium hydroxide.
成份 :鲜对叶豆叶萃取物,天然有机鳄梨油,橄榄油,棕榈油,椰油,篦痲油,茶树精油,薄荷精油,尤加利精油,天然泉水和氢氧化钠。
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Insertion of ethylacetate or DMF into 1-zircona-2-azacyclopent-3-ene complexes at 50 oC affords pyrroles in moderate yield when they quenched with KOH aqueous.
1-锆-2-氮-环戊-3-烯错合物在室温下可与乙酸乙酯或DMF进行插入反应,经由氢氧化钠水溶液水解后,可得到不错产率的比咯。
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The structures were identified by IR, UV,〓 NMR and element analyses. 2. Free radical 4-hydroxy-2,2,6,6-tetramethyl-1-piperidinyloxyl as catalyst, the phase transfer catalyzed method of oxidation eighteen semicarbazides to N-Aryl-2-Phenyl diazenecarboxamide with a solution of potassium ferricyanide in 2N aqueous sodium hydroxide and dichloromethane is described for the first time.
利用2,2,6,6-四甲基-4-羟基-1-哌啶氮氧自由基为相转移催化剂,在饱和铁氰化钾的2N氢氧化钠溶液与二氯甲烷的两相反应液中,催化氧化十八个取代氨基脲得到十八个相应的新型偶氮化合物N,2-二芳基二氮亚烯甲酰胺,均获得了较高的产率。
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This paper described the condition of digestion of the total phosphorus and total nitrogen in the sea water simultaneously with potassium persulfate-boric acid-sodium hydrate as the digestive reagents.
采用过硫酸钾-硼酸-氢氧化钠作为消化剂,对海水、淡水中总磷、总氮联合消化测定的操作条件进行研究。
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Methods: Copper was determined by catalytic kinetic spectrophotometric method which was based on the copper catalyzing oxidation of brilliant green by potassium chlorate and hydrogen peroxide in potassium hydrogen phthalate-sodium hydrate buffer solution at pH4.20. The absorbance was measured at 624 nm.
在pH4.2的邻苯二甲酸氢钾-氢氧化钠缓冲溶液介质中,利用铜离子催化氯酸钾和过氧化氢氧化灿烂绿的指示反应,通过测量624 nm下吸光度的改变,用催化动力学光度法测定痕量铜。
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Results showed that the surface of oxidised fibers treated by keratin solution formed a film and their weight rose increasingly.
采用氢氧化钠和双氧水溶解羊毛制得可溶性角蛋白溶液,再对经高碘酸钠选择性氧化的棉纤维进行处理。
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Arsenic trioxide was prepared by leaching arsenic sulfide slag in NaOH solution, oxidating with air and reducing with sulfur dioxide.
摘 要:硫化砷渣经氢氧化钠溶液浸出、空气氧化脱硫和SO2还原制备得到As2O3。
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The results showed that the wheat-straw powder had little reinforcing effect on NR,but had good filling effect;when the wheat-straw powder was modified by sodium hydroxide solution,silane coupling agent KH-550 or its solution,the physical properties of wheat-straw powder/NR composite were improved;the silane coupling agent KH-550 solution possessed better modifying effect.
结果表明,小麦秸秆粉末对NR无明显补强作用,但具有良好的填充作用;采用氢氧化钠溶液、硅烷偶联剂KH-550或其水溶液对小麦秸秆粉末进行表面处理,均可改善复合材料的物理性能,其中硅烷偶联剂KH-550水溶液的效果较好。
- 推荐网络例句
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I can not make it blossom and suits me
我不能让树为我开花
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When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.
当温度高于 80 °C 左右时,滚道或滚动元件褪色是很常见的特征。
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The lawyer's case blew up because he had no proof.
律师的辩护失败,因为他没有证据。