Effect of Pretreating the Broth of Hyaluronic Acid by Ultrasonic Wave 超声波对发酵液中提取透明质酸的影响
Objective To study, the relationship between serum uric acid ( SUA), pulse wave velocity ( PWV), ankle brachial index ( ABI) and coronary heart disease ( CHD). 目的探讨血尿酸(SUA)、脉搏波传导速度(PWV)和踝臂指数(ABI)与冠心病的关系。
The humus characteristics of some types of paddy soils in Fujian Province were studied on the combinating forms, the ratio of humic acid to fulvic acid, the optical density of humic acid under different wave-lengths, and the amount and degree of complex. 对福建几种水稻土腐殖质组成及其特性进行研究,包括其结合形态、胡敏酸与富里酸比例、胡敏酸在不同波长中的光密度、腐殖质与粘粒矿物的复合量和复合度等。
In 10 undecene hydroxamic acid lithium chloride system, with oscillopolarography, titanium produced a sensitive cathode wave. The peak potential is-1.66V ( vs. SCE). 10十一碳烯氧肟酸(UHA)氯化锂体系中,在示坡极谱仪上,钛有灵敏的阴极波,峰电位-1.66V(vs·SCE.)
In the pH range of 1.8 to 11.6 iodoacetic acid gives a 'two-electron diffusion-controlled wave. 在pH1.8至11.6范围,碘乙酸有一个两电子的扩散控制波。
Ultrasonic wave and hydrochloric acid were the most effective pretreatment methods, while the combination of ultrasonic wave and freeze thaw was more satisfied in practice. 超声波处理、盐酸处理是较为有效的前处理方法,在实际工作中,超声波处理和反复冻融结合使用效果好;
The effects of nitric acid concentration, rare earth concentration, the other main salts concentration and temperature on the ultrasonic wave velocity in the simulated high-level liquid waste are studied. 实验研究了硝酸、稀土元素和其它主要盐份的浓度以及温度对模拟高放废液中超声速度的影响。
Technology for extracting amino acid from oyster with ultrasonic wave 超声提取牡蛎中氨基酸的工艺条件研究
In a medium of weak acidic amygdalic acid, niobium(ⅴ) can be reduced at dropping mercury cathode and then a polarographic wave is observed. 在弱酸性的杏仁酸底液中,铌(Ⅴ)能在滴汞电极上还原,产生一个极谱波;
Construction of electrode modified with nucleic acid probe at the surface of love wave sensor 乐甫波传感器表面核酸探针修饰电极的构建
Degradation of Acid Orange ⅱ with Ultrasonic Wave 超声降解酸性橙Ⅱ的研究
The porous alumina film prepared by anodization of aluminum in chromic acid under constant voltage and direct current can absorb infared wave. 在铬酸中采用直流恒压铝阳极氧化法制备氧化铝多孔膜,经测试这种多孔膜具有红外吸波性能。
The colouring of fleece in acid orange ⅱ with the application of supersonic wave is studied is this article. 本文研究了在超声波作用下,酸性橙Ⅱ染羊毛的染色行为。
Studies of polarographic characteristics involving nucleic acid ⅰ. polarographic adsorption wave of adenine base in DNA 核酸的极谱研究&Ⅰ.DNA碱基腺嘌呤的极谱吸附波
Extraction of aleuritic acid by saponification aided with ultrasonic wave 超声皂化法提取紫胶桐酸
Bilateral microinjection of kainic acid ( KA) into BLN to destroy neurons caused sleepless status immediately. From the third day, slow wave sleep ( SWS) increased, but paradoxical sleep ( PS) did not change. 双侧BLN内微量注射损毁神经元胞体剂量的海人酸(KA)立即引起不眠状态,自第3天开始慢波睡眠(SWS)增多,但快波睡眠(PS)不受影响。
The results demonstrated that bands of protein, lipid, carbohydrate, and nucleic acid from cancerous samples were significantly different from those from normal ones: ( 1) The relative intensity of N& H band increased and amide I band shifted to lower wave number significantly; 结果表明乳腺癌组织的红外光谱中与蛋白质、脂类、碳水化合物和核酸相关的谱带同正常乳腺组织之间存在明显的差异(1)N&H的相对强度明显增高,蛋白质酰胺Ⅰ带显著红移。
Test results showed that the expansion ratio of the expandable graphite inserted with acetic acid is 96%, and the expandable graphite interfered the eight millimeter wave obviously. 经试验,醋酸插层的可膨胀石墨的膨化率达96%,对8mm波有明显的干扰作用。
The emulsification of oleic acid with ultrasonic wave can improve the diffusion and collecting power of oleic acid. However, it is hard to accomplish this for small-sized plants due to problems of noise and equipment involved. 用超声波乳化油酸,能提高油酸的弥散度和捕收性能,但因其设备和噪音等方面的问题在小厂难以实现。
Indirect Determination of Ascorbic Acid by Square Wave Polarography 方波极谱法间接测定抗坏血酸
To eliminate influence of salt and other impurities, the products need to wash with distilled water and dilute chlorhydric acid, then wash with dilute hydrochloric acid under supersonic wave assistant. 通过自来水冲洗稀盐酸浸泡、洗涤在超声波辅助作用下稀盐酸洗涤,可减少熔盐及其它杂质对电解产物检测结果的影响;
The rate of coordinate reaction between organic acid group and chromium could be evaluated by the rate of hypsochromic shift belonged to the long wave peak position of the mixed solution. 根据混合液长波特征吸收峰位的紫移速率大小可判断有机酸根与铬配位反应的快慢。
The blood cell nuclei of domestic chicken were extracted in citric acid solution after treatment by ultrasonic wave. 家鸡血细胞经超声波细胞破碎仪处理后,同样采用柠檬酸介质分离细胞核。