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The VLE of 48 pure alkanes, cyclo alkanes, olefins, aromatics, and ketones as well as 10 binary systems were calculated, and the results are satisfactory. 计算了链烷烃、环烷烃、烯烃、芳烃和酮等共48种非极性及弱极性纯流体的汽液平衡，并计算了10个二元混合流体的汽液平衡，结果令人满意。
cyclo alkanes n. 环烷
The alkanes are generally inert to ionic reagents. 烷烃一般说来对离子型试剂是不活泼的。
The main constituents were alkanes and esters. 小叶三点金全草主要含有烷烃和酯类化合物。
Alkanes are resistant to attack by oxidizing agents generally. 烷烃一般对于氧化剂的作用是稳定的。
Drived by CYCLO Reducer strong and long service time. 由CYCLO减压器驱动，工作时间长且强劲。
The general uses of alkanes may be divided into three categories. 烷的一般用途可分为三个方面。
The alkanes form a homologous series of general formula ???? 烷形成是有通式???降耐0系列。
cyclo alkane 环烷
The straight-chain alkanes exacerbate the problem of engine "knock". 直链烷烃使机器的“爆震”问题更加严重。
The results show that lnH of alkanes and aro-matic hydrocarbons decreases w... 结果证明：亨利系数随着溶质碳数和溶剂碳数的增加而减少。
This fact shows that MTBE and ethanol retard the oxidation of alkanes. 这表明，在燃烧的起始阶段， MTBE 、乙醇有抑制烷烃燃烧的作用。
The straight-chain alkanes exacerbate the problem of engine " knock ". 直链烷烃使机器的“爆震”问题更加严重。
The synthesis of cyclo(-Ab7-Aib-Phe-D-Pro-) which uses solid phase peptide synthesis with N-Fmoc protection is faild. 本论文尝试用固相法氨基酸N端Fmoc保护策略合成cyclo(-Ab7-Aib-Phe-D-Pro-)。但是最终产物经ESI-MS分析不是目标产物，故改用液相法合成目标化合物。
The above conversion was believed to proceed via a substitution cyclo aromatization mechanism. 苯硫酚为亲核体时,产物为芳基苯基硫醚。
Finally, cyclo(-Ab7-Aib-Phe(2-Me)-D-Pro-) is successfully prepared by using liquid phase peptide synthesis with Boc protection. Boc-Ab7-Aib-Phe(2-Me)-D-Pro-OBzl脱除两端保护得到线性肽链经过环化得到目标产物cyclo(-Ab7-Aib-Phe(2-Me)-D-Pro-)，收率0.;8%25。
Chemical fossils (e.g. alkanes and porphyrins) are often the only evidence for life in rocks of PRECAMBRIAN age. 化学化石（烷烃和卟啉）是前寒武纪地层中生命存在的唯一证据。
The gradation in the physical properties of the alkanes is typical of a homologous series. 烷烃物理性质的逐渐变化是同系列的特点。
If you came into a bike store with a poor shifting Simplex or Huret derailleur or a sick Regina or Cyclo freewheel, the standard repair was to replace it with SunTour. 如果你走进一家自行车商店带着一个贫穷的转变单纯或呼热图变速器或生病里贾纳或环状飞轮，标准的修复工作，以取代它与山图。
According to the using condition of heavy me dium cyclo ne,this paper develops and designs heavy medium cyclone.It improves separating e ffect and life in practice. 根据重介质旋流器的实际应用情况，对重介质旋流器进行开发设计，提高了重介质旋流器实际应用中的分选效果和寿命。