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Also, the corrosion performances and electrochemical behaviors of the phosphated/molybdate post-sealed HDG steel sheet in 5% NaCl solution were investigated, using Tafel polarization and electrochemical impedance spectroscopy measurements.

将热镀锌钢板先磷化再用钼酸盐溶液进行封闭后处理,通过塔菲尔极化和电化学阻抗测量研究其在5%NaCl水溶液中的腐蚀电化学行为,并与单磷化的热镀锌钢板进行了对比。

The Physiological effects of NaCl stress in Pisum sativum from Gansu were studied.

研究了甘肃大豌豆在不同浓度的盐溶液胁迫下的生理效应。

With sodium acetate as catalyst, inosine was esterified with acetic anhydride in the yield of 92% to give 2',3',5'-triacetyl inosine, which was treated with pyridine and phosphorus oxychloride to form a pyridinium solution, followed by performing an amination at 40℃ and 0.25~0.30 MPa to achieve adenosine in the yield of 67%.

肌苷在醋酸钠存在下与醋酸酐发生酯化反应以92%的收率得到2',3',5'-三乙酰肌苷,其化合物经吡啶和三氯氧磷处理形成吡啶盐溶液,未分离直接在40℃、0.25~0.30 MPa压力下进行氨解反应以67%产率制得腺苷。

A pCEC instrument to study the separation behavior of solutes on 320μm CEC column was established, and the separation of neutral solutes with low concentration organic salt as the mobile phase was realized. Furthermore, nine compounds with similar structure were separated in a saltless system.

采用搭建的加压毛细管电色谱仪探讨了溶质在320μm内径毛细管柱上的分离行为,并且在低浓度的有机盐溶液作流动相条件下实现了中性溶质的分离。

A pCEC instrument to study the separation behavior of solutes on 320 um CEC column was established, and the separation of neutral solutes with low concentration organic salt as the mobile phase was realized. Furthermore, nine compounds with similar structure were separated in a saltless system.

采用搭建的加压毛细管电色谱仪探讨了溶质在320 μm内径毛细管柱上的分离行为,并且在低浓度的有机盐溶液作流动相条件下实现了中性溶质的分离。

The results indicated that with this new adsorbent the efficiency of decolourisation was 85.3%and the productivity of sebacic acid was 92.0% under the condition of 2% of adsorbent amount used with 30min of reaction time at 90℃.

本文采用以凹凸棒石粘土为主的新型吸附剂对癸二酸单钠盐溶液脱色。

Total RNAs from the leaves treated 24hrs with 430mM NaCl and controlwere extracted in wild barley Hordeum brevisubulatum (Trink. Link..The difference of mRNA transcriptions was detected using suppression subtract hybridization.

本研究以野生二棱短芒大麦为试材,运用SSH的方法比较了正常培养和430mM NaCl盐溶液胁迫处理24hrs基因转录水平上的差异,克隆出差异表达的cDNA片段449个,构建了差异表达cDNA文库。

The concentration of the gas could be achieved by measuring the change of the conductivity. In the experiments, the gas sensor was prepared by spreading the water solution of carbon nanotubes between the interdigitated Au electrode, which was splashed on alumina. In this paper, three methods, such as mixing palladium and copper chloride, deoxidizing palladium and copper by chemical and electrochemical means, were used to doping palladium and copper in multi-wall carbon nanotubes.

实验中我们采用单壁和多壁纳米碳管作为敏感材料,在叉指金电极间涂布纳米碳管悬浊液作为气敏膜,用于有机挥发物如甲醛、苯、甲苯和二甲苯的检测,并着重研究了掺杂氯化钯和氯化铜盐溶液、化学和电化学方法掺杂钯和铜金属颗粒对多壁纳米碳管传感器的气敏性能的影响。

Medical grade SiO was injected into cat eyes after gas-compression vitrectomy. Balanced salt solution was injected into the other eyes as a control. All cats were examined with biomicroscopy and ophthalmoscope pre and postoperatively; intraocular pressure was also measured regularly. After 1, 3 or 6 months of cat's survival, the morphology of RGCs labeled with retrograded HRP injected into the bilateral lateral geniculate nucleus and reacted with diaminobenzidine was quantitatively analyzed.

30只健康成年家猫,气体玻璃体切割后实验眼注入医用硅油,对照眼注入平衡盐溶液,术后定期眼部检查并监测眼压。1、3、6月后进行形态学实验:(1)微电极定位双侧外侧膝状体并注入辣根过氧化物酶,48~60小时后灌注固定,剥取视网膜行二甲基联苯胺成色反应;(2)视网膜尼氏染色;(3)眼球矢状切片常规HE染色。

A process of alkaline hard chromium plating on aluminum alloy was presented,including oil removal,dipping in heavy metal solution,acid pickling,dipping in zinc solution,hard chromium plating.

1前言铝合金电镀硬铬,是利用强碱性的锌酸盐溶液在置换锌层上直接镀铬,其工艺成熟,操作简便、易行。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力