十六烷

DTAB降低水与十六烷之间界面张力的研究

Study of the interfacial tension between water and hexadecane reduced with DTAB solution

低浓度的TX-100对菌的生长及其十六烷的降解影响较小，而高浓度的TX-100则抑制菌的生长及其十六烷的降解。

The cell growth and hexadecane degradation were little effected by TX-100 of low concentrations , but inhibited at high concentrations .

提高柴油十六烷值RICH工艺技术的工业应用

Commercial application of rich technology for improving LCO cetane number

吡啶吸附-脱附催化剂的活性结果说明沸石对正十六烷裂解反应是B酸催化。

The results of the catalytic activities of pyridine adsorption and desorption show that the n-hexadecane cracking is catalyzed with B acid .

对于CO排放及消光烟度，十六烷值存在一个最佳值。

To improve the CO and opacity smoke emissions , the fuel cetane number exists an optimum .

结果：从A中鉴定了40个化合物，从B中鉴定了47个化合物，鉴定率分别为74.85%和81.26%，主成分为十六烷酸。

Results : Forty and forty seven constituents were identified from A and B respectively , the identification rates being 74.85 % and 81.26 % respectively .

硝酸环己酯是一种有效的柴油十六烷值改进剂。pH值为11；

Cyclohexyl nitrate is an effective cetane number improver for diesel oil . the pH value should be controlled between 10 and 12 ;

生物柴油（FAME）具有良好的环保性、可再生性，十六烷值高等优点，是石化柴油优良的替代品。

Biodiesel is an excellent substitute of diesel because of its good environmental and reproducible benefits and high cetane content .

IBN在St和水相间的分配系数不受温度、油相中十六烷含量、油水比及水相pH值的影响。

The partition coefficient was not affected by the temperature , hexadecane content , styrene / water ratio or the pH value of aqueous phase .

MCI（最大限度提高十六烷值）工艺是一种改善劣质柴油馏分（如催化裂化柴油及其它高芳烃含量柴油）的加氢改质新工艺。

MCI is a novel hydrotreating process for upgrading low quality diesel distillates , such as LCO from FCC and resid FCC .

采用具有相同十六烷值、挥发性好的燃料，可有效改善冷态增负荷工况下的燃烧，降低HC排放。

Combustion was improved and HC emission was reduced at cold modes sudden loading operation conditions by using better volatile fuel with the same cetane number .

结果表明，在柴油中添加DMC，燃料十六烷值降低，发动机热效率提高，烟度减小。

The results show that the fuel cetane number and engine exhaust smoke decrease and engine thermal efficiency improves with adding DMC in diesel fuel .

本文以阳离子表面活性剂&正十六烷三甲基溴化铵（CTAB）为结构模板剂，在强酸性条件下，通过水热反应合成了纯的介孔氧化硅材料。

In this thesis , the pure mesoporous silica were synthesized through water-thermal reaction by using cationic surfactant cetyltrimethyl-ammonium chloride ( CTAB ) as template under strong acid condition .

介绍了最大限度提高十六烷值的劣质催化裂化柴油加氢改质技术（MaxCetaneImprovement，即MCI）在吉林化学工业公司炼油厂柴油加氢精制装置上的首次工业应用情况。

The first commercial application of MCI ( Max Cetane Improvement ) in gas oil hydrofining unit in the refinery of Jilin Chemical Industrial Company was introduced .

结果发现，高辛烷值燃料异辛烷和高十六烷值燃料正庚烷的混合能够有效控制HCCI燃烧相位和燃烧程度。

The simulation suggested that the mixing with high-cetane fuel and high-octane fuel can influence the combustion phase and cylinder pressure in HCCI combustion .

以正十六烷为目标物，研究了生物活性炭（BAC）系统对正十六烷的吸附特征、生物吸附动力学以及活性炭的生物再生能力。

The adsorption characteristics , bio-adsorption kinetics and bio-regeneration capability of activated carbon in the biological activated carbon ( BAC ) system was studied using hexadecane as a target .

DTAB在该cmc值附近显著降低了水-十六烷界面张力。

The cmc is much lower than that in water-air system , and the interfacial tension of water-hexadecane system was reduced obviously with DTAB .

并在最佳条件下，能脱除正十六烷模拟柴油相中83·14%的DBT硫。

Under optimized condition , the stain can degrade DBT in n-Hexadecane as model diesel oil , and the desulfurization efficiency is about 83.14 % .

菌株SD-2对正十六烷摄取及中间代谢产物的初步研究

Preliminary study of strain SD-2 on its hexadecane uptake and intermediate metabolite

由于具有较高的十六烷值、燃烧性能好、污染小、安全方便等特点，二甲醚成为本世纪最有希望的LPG替代燃料，日益引起人们的重视。

With the characteristics of higher cetane number , good combustibility , little environmental pollution , safety , convenience and so on , dimethyl becomes the most promising alternative of liquefied petroleum gas and attracts the attention gradually .

为克服MLR与PLS等线性校正方法的局限性，本文将最小二乘支持向量机（LS-SVM）算法用于近红外光谱的定量校正，并以一批柴油十六烷值样品数据为例对以上方法进行了比较。

To overcome the disadvantages of the linear calibration methods such as MLR and PLS , least-squares support vector machine ( LS-SVM ) is introduced to NIR quantitative calibration in this thesis .

DBT的加入降低了十六烷的转化率，促使干气生成，汽油产率减少，柴油产率增加，焦炭产率显著增加。

The presence of DBT reduced the conversion of hexadecane , the yield of gasoline fractions decreased , the yields of dry gas , diesel fractions and coke increased .

用于测量汽油的抗爆指数（AKI）、研究法的辛烷值（RON）以及动力法的辛烷值（MON），也可适用于柴油的十六烷值分析。

Determines the Pump Octane Number ( AKI ), Research Octane Number ( RON ), Motor Octane Number ( MON ) of unleaded gasolines , optional Cetane IndexCetane Number for diesel fuels .

模型参数包括水中SWNT与有机物的结合能、分子体积以及正十六烷-水分配系数。

The final predictive model included three parameters : binding energy of SWNT and chemical in water , molecular volume and n-decahexane / water partition coefficient .

NT-11柴油十六烷值增进剂的添加性能及作用机理

Performance of cetane number improver NT-11 and its reaction mechanism

选用长碳链季铵盐阳离子型表面活性剂十六烷三甲基溴化铵（HDTMA-Br）作为改性剂对天然粘土矿物进行改性。

Hexadecyltrimethylammonium bromide ( HDTMA-Br ) was chosen as surfactant for modifying natural clay .

加入氯化十六烷吡啶使ChS-A及ChS-C沉淀，并利用此沉淀在不同浓度的氯化钠溶液中溶解度不同的这一特性以去除可能与ChS-A及ChS-C同时存在的其它酸性粘多糖。

The mucopolysaccharides were further purified by precipitation with cetylpyridinium chloride and then fractionation with sodium chloride solution of different concentrations .

甲醇和DME分别属于高辛烷值和高十六烷值的燃料，将其作为单一燃料使用时往往会导致发动机工作负荷范围变窄、燃烧不充分和爆震等问题。

Because of the high cetane number of DME and high octane number of methanol , vehicle engines fueled with pure DME or methanol alone tend to encounter the decreased operating range , incomplete combustion , knocking and other problems .

CT-878柴油十六烷值改进剂

Performance of type ct-878 cetane improver

正十六烷在水稻体内主要以结合残留态存在，大约占植物体总14C的98%，石油醚、乙醇和乙醇等有机溶剂可提取部分大约占2%。

Cetane mainly existed as bound residue in rice , with amount being 98 % of all 14C in plant . The organic solvents-extracted ( petroleumether , ether and ethanol ) amount was 2 % .