The number, as well as the position, of the unsaturated double bond has put great effects on the fuel properties such as cetane number, iodine value, low temperature property and oxidation stability.

1、

It is showed by research that its cetane value is so high that DME is perfectly suitable to be alternative fuel of diesel engine, and it is hopeful meeting the future stringent emission regulation of diesel engine because of its clean combustion.

研究表明，DME的十六烷值高，非常适合作为柴油机的代用燃料，而且它能实现洁净燃烧，有望满足未来严格的柴油机排放法规。

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2、

The characteristics of biodiesel is low content of sulfur and aroma hydrocarbon, high content of oxygen, high cetane value and flash point, less hazardous exhaust gas.

它具有含硫量极低、芳香烃含量少、含氧量高、十六烷值高、闪点高和废气逸出少等优点。

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3、

Including: to increase the cetane value of the fuel reasonably by adding the Cetane improvers;

其中包括加入十六烷值改进剂适度提高燃油的十六烷值；

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4、

Through it, octane value of gasoline, cetane value of diesel oil, aromatics and sulphur contents in fraction oil can be calculated.

用此方法可以计算汽油的辛烷值、柴油的十六烷值、馏分油中芳烃和硫含量。

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5、

Cetane value of bio-diesel was improved by adding the improver.

对生物柴油的十六烷值改进进行了研究。

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6、

Study on relationship between cetane number and free radical concentration of diesel fuel

柴油的十六烷值与其自由基浓度的关系研究

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7、

Process for increasing cetane number and decreasing density of catalytic diesel oil

提高催化柴油十六烷值工艺开发

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8、

Prediction of cetane number of hydrocarbons in diesel oil by using

用拓扑指数法预测柴油中烃类的十六烷值

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9、

The process is discussed to prepare cetane number LH& 91 type improver of diesel fuel, and the affection of raw material ratio, reaction temperature to the product purity and yield is inspected.

本文讨论了研制和生产LH&91型柴油十六烷值改进剂的工艺条件。考查了原料配比、反应温度对产物纯度及收率的影响。

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10、

It contains no gasoline distillate but its diesel yield and cetane number index are high relatively.

由于该原油无汽油馏分，但柴油馏分收率较高且其十六烷值指数较高。

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11、

Comparison of computer-assisted cytological test with the traditional cervical smear test

应用计算机辅助细胞检测系统（CCT）与传统光镜宫颈涂片520例对比研究

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12、

The Recognition of the Cervical Smear Based on Artificial Neural Network

基于人工神经网络的子宫颈癌细胞识别

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13、

The Research and Design on Diagnosis System of Cervical Smear Based on Neural Network

基于神经网络的宫颈涂片诊断系统的研究与设计

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14、

Clinical Analysis of 9 Patients With Cervical Pregnancy

宫颈妊娠9例诊治分析

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15、

The Analysis of Emergency and Treatment of Six Patients with Cervical Pregnancy

宫颈妊娠的急诊处理6例分析

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16、

Objective To investigate the diagnosis and treatment of cervical pregnancy.

目的探讨子宫颈妊娠的诊断治疗。

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17、

Experiment were performed on 20 anesthetized rabbits with cervical vagus nerves, sinus nerves and depressor nerves sectioned bilaterally.

实验在20只麻醉、切断双侧颈迷走神经、减压神经和窦神经的家兔上进行。

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18、

Objective: To investigate whether tamoxifen is involved in the proliferation of the cultured rat cervical muscle cells and explore its possible mechanism.

目的：研究三苯氧胺（tamoxifen，TAM）对大鼠子宫平滑肌细胞增殖的影响及其可能的机制。

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19、

Objective: To evaluate the clinical outcome of subtotal thyroidectomy by an approach without transection of anterior cervical muscle group.

目的评价不横断颈前肌群行甲状腺大部切除术在临床应用中的优缺点。

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20、

Tamoxifen stimulates the proliferation of cultured rat cervical muscle cells

三苯氧胺促进大鼠子宫平滑肌细胞增殖

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