十二胺

在低pH值下，十二胺主要抑制金属腐蚀的阴极过程；在近中性pH值下，十二胺同时抑制金属腐蚀的阴、阳极过程。

At lower pH value , dodecylamine inhibited mainly the cathode process ; while it inhibited both the anode and cathode processes in near neutral environments .

吸附模型的拟合结果证明十二胺在铜镍合金表面的吸附符合Flory-Huggins等温线模型。

The adsorption behaviour of dodecylamine obeyed Flory-Huggins isotherm model .

十二胺盐酸盐在长石石英表面的吸附机理及pH值对吸附的影响

Adsorption mechanism of dodecyl AMINE-HYDROCHLORIDE on feldspar and quartz and effect of pH

以十二胺和丙烯腈为原料，常压下合成了阳离子捕收剂N十二烷基1,3丙二胺（DN12），考察了其对高岭石、叶蜡石、伊利石的浮选行为。

The flotation behaviors of kaolinite , pyrophyllite and illite have been investigated using N dodecyl 1 , 3 diaminopropane ( DN 12 ) as a collector .

结合极化曲线，微分电容曲线测试和AFM力曲线技术研究了直链十二胺对氯化钠溶液中铜镍合金的缓蚀行为以及吸附机理。

Polarization curves , differential capacitance curves and AFM force curves were measured to investigate the inhibition and adsorption behaviors of dodecylamine on Cu-Ni alloy in NaCl solutions .

对尿素与硫酸二甲酯的缩合反应、缩合液与NaOH的置换反应以及游离的O-甲基异脲与醋酸、正-十二胺的合成反应做了系统的研究。

We carried out a systematic study on the condensation reaction of urea and dimethyl sulfate , the displacement reaction of condensation liquid and NaOH and the synthetic reaction of the free O-methyl isobutyl , urea acetic acid and dodecylamine .

分别以CuCl2、CuAc2和Cu（NH3）+4为铜源，正硅酸乙酯为硅源，十二胺为模板剂，在室温下合成了CuHMS系列介孔分子筛催化剂。

Copper substituted hexagonal mesoporous silica ( Cu-HMS ) was synthesized using tetraethyl silicate ( TEOS ) as silicon source , CuCl_2 , CuAc_2 or Cu ( NH_3 ) ~ + _4 as copper source and dodecylamine ( DDA ) as templating agent .

AFM力曲线测试结果指出，含有十二胺的溶液中力曲线显示粘附力特性，而且探针与样品表面之间的长程静电斥力与空白溶液相比有减小趋势。

AFM force curve measurements were also performed and showed that as a result of the adsorption of dodecylamine on copper-nickel alloy surface , adhesive forces between the tip and the sample surface were detected and the long-range electrostatic repulsive forces between the tip and the sample surface were decreased .

油酸钠和十二胺盐酸盐在长石和石英表面的吸附

Adsorption of sodium oleate and dodecyl amine hydrochloride on feldspar and quartz

十二胺萃取分离制革污泥淋滤液中铁和铬的方法研究

Solvent Extraction of Iron and Chromium from Bio-leachate Derived from Tannery Sludge

磨矿介质对十二胺浮选方解石的影响

Effect of Grinding Medium on the Flotation of Calcite with Lauryl Amine

用三氧化硫脲和十二胺为原料合成了重十二胍亚硫酸盐。

Dodecyl guanidine hydrogen sulfite has been synthesized from dodecyl amine and aminoiminomethanesulfonic acid .

十二胺聚甘油醚表面活性剂的合成及光谱表征

Synthesis and Spectrum Characterization of Polyglyceryl Dodecyl Amines

十二胺对磁铁矿和绿泥石的捕收作用

Floatability of magnetite and chlorite by dodecylamine

脂肪胺捕收剂中，十二胺的捕收能力最强。

In the primary amine , the collector capacity of dodecylamine is comprehensively the strongest .

碱基在十二胺-N，N-二亚甲基膦酸改性氧化锆固定相上色谱行为的研究

Study on the Chromatographic Behavior of Bases on Dodecylamine-N , N-Dimethylene-phosphonic Acid Modified Zirconia Stationary Phase

结果表明：DN12的捕收性能优于十二胺；

The results indicate that the DN 12 is a better cationic collector than the dodecyl amine .

烷氧基硅烷对十二胺浮选铝硅矿物的影响研究

Study on the Mechanism of Alkoxy Silane on Flotation Behavior of Aluminum-silicate Minerals Using Dodecylamine as Collector

十二胺浮选体系中，钢球介质磨矿对五种矿物的浮选都产生了抑制作用。

And grinding with steel media depresses the flotation of all five minerals when using lauryl amine as collector .

此外，对十二胺改性氧化石墨烯及其还原后在各种溶剂中的分散稳定性进行了研究。

In addition , the dispersion stability of dodecylamine functionalized graphene oxide and its reduction in various solvents is studied .

烷基胍对铝硅酸盐矿物的捕收能力和选择性优于十二胺和十二烷基三甲基氯化铵。

The interaction mechanism between aluminosilicate minerals and alkyl-guanidine was revealed based on collector structure and surface charge of minerals .

结果表明，十二胺对阴极和阳极反应均有抑制作用，但主要抑制了阴极反应。

The results showed that dodecylamine had both cathodic and anodic inhibition action , but the cathodic effect was dominant .

由十二胺在云母和石英表面的吸附等温线可知：十二胺在云母和石英表面都是多分子层吸附，符合表面活性剂在固体表面的两步吸附理论。

The adsorption of dodecylamine on mica and quartz was multilayer adsorption , which can be described by the theory of two step adsorption .

草酸可以作为在十二胺体系中，在强酸性条件下，实现长石与石英的浮选分离的有效调整剂。

In dodecyl amine system , oxalic acid can be as the effective modifier to float feldspar from quartz in dodecyl amine system at pH2 .

利用封端剂十二胺使反应终止，研究了不同反应时间对产物支化度及聚合度的影响。

The effect of reaction time on degree of polymerization and degree of branching ( DB ) was studied by using laurylamine as the reaction stopper .

十二胺吸附膜改变了电极表面双电层结构，使零电荷电位正移。

The adsorbed dodecylamine film changed the structure of the double-electric layer and made the potential of zero charge ( PZC ) shift to the positive direction .

介绍了用十二胺合成氧化叔胺的方法，研究了叔胺及氧化叔胺的合成工艺条件和影响反应的因素。

A synthetic method of amine oxide from dodecyl amine was introduced . The factors which influence the reaction and synthetic conditions of tertiary amine oxide were studied .

主要针对有机小分子抑制剂进行了筛选，找到了十二胺体系下，长石和石英分选的高效选择性抑制剂&草酸。

Organic small molecule inhibitors were targeted and screened in laurylamine collector system . Oxalic acid , the high-selective inhibitor for the separation of feldspar and quartz , was found .

在十二胺捕收剂体系中，研究了丙二酸、丁二酸、己二酸、癸二酸和草酸对长石和石英浮选行为的影响。

The effects of propanedioic acid , succinic acid , hexanedioic acid , sebacic acid and oxalic acid on floatation performance of feldspar and quartz in dodecyl amine system were investigated .

十二胺浓度越大，吸附膜越致密，缓蚀率越高，力曲线上测得的粘附力值也越大。

The adsorption film became denser with the increasing of the dodecylamine concentration , so that the inhibition efficiency increased and also the adhesive forces measured by force curves were enhanced .