alkalin相关论文
Constraints on unconsolidated pyroclastic flow sediments related REE enrichments originated from pot
In the last five decades,Rare Earth Elements(REE) are mostly produced from carbonatite complexes and alkaline magmatic e......
Triassic alkaline intrusives in the Yanliao-Yinshan area:their chronology, Sr, Nd and Pb isotopic ch
Dated isotopic ages for 15 alkaline intrusives in the Yanliao-Yinshan area, ranging from 268 to 190 Ma, ten of which are......
The performance of BaCl2-TiO2-SnO2 composite catalysts in oxidative coupling of methane reaction has been investigated. ......
In this paper, 2-carboxybenzaldehyde rhodamine B thiohydrazine(1) was synthesized and developed as a fluorescent probe t......
AIM: To study the frequency of vitamin D deficiency in patients with hepatitis C virus(HCV) infection and to evaluate th......
A considerable quantity of Formosan Citronella oil had been distilledin the laboratory of the former Takasago Perfume C......
Chemical Composition of Magmatic Rocks in a Certain Region and Its Regional Geochemical Characterist
Based on a review of the available petrological and petrochemical data on magmatic rocksin a certain region in China,th......
The potentials of Pt-black electrode using a copper conducting wire instead of the salt bridge in acid and alkaline solu......
The Manasarovar Basin in southern Tibet, which is considered a holy land in Buddhism, has drawn international academic a......
The extraction of vanadium from high calcium vanadium slag was attempted by direct roasting and soda leaching. The oxida......
Mechanism of exogenous nucleic acids and their precursors improving the repair of intestinal epithel
AIM To clone expressed genes associated withrepair of irradiation-damaged mice intestinalgland cells treated by small i......
Objective: To examine immobilization stress-induced antioxidant defense alterations in rat kidney and the antioxidant ef......
Objective:The purpose of this study was to assess the clinical application value of bone turnover markers in non-small-c......
,Effect of the HDAC inhibitor vorinostat on the osteogenic differentiation of mesenchymal stem cells
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利用吸光值、琼脂糖电泳及PCR差异扩增等指标，对酚一氯仿法、水煮法、碱裂解法3种方法制备的鳗鲡病原菌DNA模板进行了差异分析．结果......
目的:应用三波长分光光度计测定血浆血红蛋白(Hb)含量,以此作为溶血程度的判定指标,探讨溶血对血清酶活性测定的影响.方法:临床常......
为设计品优的非线性光学材料，我们把两个碱土金属原子掺杂于（NH2CH3）4形成了碱土金属类无机碱金属化合物--Be（NH2CH3）4M（M=Be，Mg和Ca），和已......
在沉积型铜矿床中,蚀变火山岩具有特殊的成岩成矿意义。采用构造岩相学填图、火山岩岩相类型划分和电子探针分析等综合方法,对玻利......
从南极普利兹湾深海沉积物中筛选到一株同时产多种冷适应酶的菌株NJ197，细菌学形态鉴定及16SrDNA序列分析表明，该菌株属于假单胞菌属......
通过对蔗渣黑液高浓蒸发的研究．发现碱木素的玻璃化温度在124.6～127．6℃的范围内，建议黑液的高维蒸发温度控制在180℃。研究中发现．pH值......
前寒武纪微陆块是北山—阿拉善北部增生造山带的重要组分,旱山、雅干和珠斯楞—杭乌拉地区的前寒武纪基底是否存在学界尚存争议。......
甘油/氨法是制备3-甲基吡啶的绿色技术，但是其收率较低。在此反应体系的基础上，添加一系列含奇数碳原子的有机物（包含醛或醇或酮），考察......
以栀子提取物为原料，利用正交实验设计方法优化其碱水解制取京尼平苷酸的工艺。以京尼平苷酸产率为评价指标，考察了水解温度、NaOH加......
本文报道了视黄酸(Retinoic acid,RA)对人骨肉瘤细胞系HOS-8603细胞增殖分化的影响。研究结果表明,不同浓度(10~(-6)～10~(-10)mol/L......
采用碳分脱铝－在析工艺处理含铝废碱水，从中回收铝、碱及资源，考察了操作电流，原水浓度、流量等对电渗析脱盐性能的影响，测定了体系的极......
生物柴油作为一种绿色清洁替代型燃料,受到科研和产业界的广泛重视,原料油脂的廉价稳定供应是生物柴油产业化的关键。该文对来源于......
硫化亚铁油田生产的主污染物，其存在于采出液中造成油田“黑水”现象，影响油水分离，增加污水处理难度。研制了一种硫化物去除剂，在弱碱......
研究氯化铵处理对赤泥碱性阴离子及钠离子浸出行为的影响。结果表明:在氯化铵添加量为0.75%、液固比为3、温度为30°C、浸出时......
研究了氯霉素对沉积物中细菌总数、碱性磷酸酶活性及沉积物呼吸作用的影响表明氯霉素对沉积物细菌总数的影响呈现显著的浓度效应，在......
分析蒽醌法双氧水生产过程中工作液带碱的原因,提出处理方法,介绍规整填料在双氧水生产中的应用。......
由于浮法工艺过程中玻璃熔体与锡液接触会导致玻璃板下表面产生渗锡现象,进而影响玻璃产品性能和加工质量,因此以低铝玻璃化学组成......
新型钻井液暂堵剂LZ-1是含有羟基、羧基、羰基等官能团,相对分子质量＜6.0×103、熔点＞300℃、密度1.44 g/cm3,性脆,易加工成要求......
在模拟大庆油田条件下，在3种K值的二维纵向非均质人造岩心上，在45℃考察了水驱、1．0g／L普浓聚合物驱之后，3种聚驱后驱油剂的驱油效果。......
目的比较羟磷灰石（HA）、氢氧化钙（CH）、Vitapex诱导犬年轻恒牙根尖形成的效果。方法选用2只5．6月龄犬的16颗恒切牙，去髓后随机分为4组。A......
本文介绍了敷铜线路板厂产生的主要废水及其种类，性质；讨论了主要废水的处理方法，并对该种处理方法在多家工厂的运行结果和运行成本作......
以地衣芽孢杆菌５３号为原始菌株，在原生质体形成和再生的最佳条件下制备原生质体，对原生质体进行复合诱变，对大量再生突变株进行筛选，最终......
目的研究体外不同低氧分压对SD大鼠骨髓间充质干细胞（MSCs）增殖分化的影响。方法将体外培养的MSCs,分组置于常氧（21%）和低氧（2%、4%、6%......
采用重叠延伸的方法成功将抗孔雀石绿（malachite green,MG）单克隆细胞的轻链VL和重链VH用连接肽（Gly4Ser）3连接,形成单链抗体（single ch......
<正>A modified method of preparing 20(S)-ginsenoside Rh_2(G-Rh_2) and the inhibitory effect of 20(S)-ginse-noside Rh_2 o......
目的研究并比较维甲酸对牙周韧带细胞和牙龈成纤维细胞向成骨样细胞分化潜能的影响。方法体外培养牙周韧带细胞与牙龈成纤维细胞，通......
用１％碳酸钠溶液作为半微量定氮法的碱性试剂对鲜肉中ＴＶＢ－Ｎ的检测结果与原法以１％氧化镁混悬液作碱性试剂时的结果无显著差异，表明可以用１％耐烦酸......
Regioselective Synthesis of Polymerizable Vinyl Guaifenesin Esters Catalyzed by an Alkaline Protease
Three polymerizable vinyl guaifenesin esters with different acyl donor carbon chain lengths (C4,C6,C10) were regioselect......
对古里雅冰帽８ｍ浅冰芯的８０个雪冰样品化学分析结果表明，化学成分主要来自陆源物质，陆源冰芯样品叶弱碱性，明显不同于一般的大气降水及南北......
