查询词典 conversion

Firstly expound the structure of the OFDM system, then analysis the working principle of OFDM communication and research into the key technologies in OFDM system: string conversion, sub-carrier modulation and demodulation, inverse Discrete Fourier Transformation, Discrete Fourier Transformation, cyclic prefix Insert, etc.

该文首先阐述了OFDM系统的结构，分析了OFDM通信系统的工作原理，研究了OFDM系统实现过程中串并转换、子载波调制解调、离散逆傅里叶变换、离散傅里叶变换、循环前缀插入等关键技术。

The influences of solvent, reaction temperature, and time on the conversion of cyclohexane were examined.

以环己烷氧化为探针反应，考察了上述负载催化材料的催化性能并分析了不同金属离子或取代基对催化剂活性及选择性的影响。

Thus, there was a 50% conversion of cyclohexane to adipic acid in a single step oxidation, which represented the best result from this present study.

因此，有50 ％的转换环己烷合成己二酸在一个单一的步骤氧化，这是最好的结果从本研究。

Was obtained in Trial 8 where the total cyclohexane conversion was 78% with 74% of the starting cyclohexane converted to oxygenate.

获得了审判8的总环己烷转化率78 ％与74 ％的转换开始环己烷氧化。

In the condition of 1 MPa O_2 and 413 K for 4 h, the conversion of cyclohexane is 16.9%, and the total selectivity of cyclohexanol and cyclohexanone is 93%.

在该反应条件下，环己烷的转化率为16.9％，环己酮和环己醇的总选择性为93％。

Also we observed in this study there is a direct proportional relationship between the cyclohexane conversion and the amount of catalyst initiator "NHPI".

此外，我们在本研究中观察到有直接的比例关系，环己烷转化率和催化剂用量引发" NHPI "。

The results indicated that higher phenol conversion and cyclohexanol selectivity could be obtained under the condition of higher temperature and pressure, and lower space velocity and methanol content, while phenol concentration had almost no effect on the reaction performance.

结果表明，较高的反应温度和压力以及较低的液体空速和甲醇含量有利于提高苯酚的转化率和环己醇的选择性，但是苯酚的浓度对反应性能的影响不大。

Under the suitable conditions of reaction temperature 170℃, 1.5 MPa air and reaction time 6 h, the conversion of cyclohexane and the total selectivity of cyclohexanone and cyclohexanol were 5.39% and 88.7% respectively.

在反应温度170℃，空气压力1.5 MPa，反应时间6 h的优化条件下，环己烷转化率与酮醇总选择性分别为5.39%和88.7%。

The commercial process of cyclohexane oxidation to cyclohexanone and cyclohexanol shows low conversion, poor selectivity, high-energy consumption and environmental pollution. It is of great academic and practical importance to study and develop highly efficient and environmentally friendly catalytic cyclohexane oxidation processes.

现有的环己烷氧化制环己酮生产工艺，存在转化率低、选择性差、能耗高以及污染环境的缺点，研究和开发高效、环境友好的环己烷催化氧化工艺具有重要的理论意义和实用价值。

Cyclohexane conversion of 33.7%,selectivity to cyclohexanone and cyclohexanol of 97.2%,cyclohexan...

在70℃和n(C6H12)∶n(H2O2)=1∶2条件下，采用两次加入过氧化氢的方式，环己烷转化率为33.7%，酮醇总选择性97.2%，n∶n=1.99，过氧化氢利用率37.1%。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷