ratio的例句大全

The higher the absorbance ratio of Bronsted acid peak to Lewis acid peak ( i.e.AB/ AL) measured by infra-red absorption spectrum, the higher is the catalyst activity. The results show clearly that the Bronsted acid plays a dominant role in catalytic cracking reaction.

用红外光谱法测定了Bronsted酸峰与Lewis酸峰的吸光度（A）的比值，发现活性高的催化剂，其A B/A L值也高，说明在催化裂化反应中，Bronsted酸起主导作用。

In order to evaluate precisely the surfaces formed from different machining methods, computers and admeasuring apparatus were used to collect the data of surface outlines and quantitatively calculate and analyze the outline expansion length ratio.

为了对不同机械加工方法形成的表面进行准确的评价，通过计算机和测量仪采集表面轮廓数据，对轮廓展开长度比进行了定量的计算与分析。

According to mechanical speed ratio and drawing process, the suitable speed signal transfer program is established.

根据机械速比、拉拔工艺确立合适的速度信号传递方案.

Application of lateral differential velocity ratio method to Tarim basin hydrocarbon exploration

LDVR方法在塔里木盆地油气勘探中的应用探讨

The whole crack parameter of bridges decreases, going along with the increase of depth-span ratio.

随着高 跨 比的增加,梁体整体裂缝程度呈减小趋势.

The ratio of gastric emptying dysfunction in 110 cases was 14. 5%, among 16 positive subjects domperidone was taked orally, FBH concentration descended remarkablely ( P < 0.05).

110例成人胃排空障碍检出率14.5%，对16例阳性者经吗叮啉治疗，空腹呼气氢浓度较治疗前显著下降（P<0.01）。

The results of the analysis and the simulation experiments show the use of hybrid buffer together with the improved first-fit-void-filling algorithm can greatly improve the variable length optical switch performance in terms of packet loss ratio and decrease the FDL number when the traffic load is high.

分析和仿真结果都表明，光电混合缓存和改进的FF-VF算法能改善可变长光分组交换在负载较高时的分组丢失率性能，并减少光纤延迟线的数目。

Effect of air entraining agent on performance of EVB thermal insulation mortars with different mass ratio of aggregate to cement

引气剂对不同集灰比玻化微珠保温砂浆性能的影响

Combination with the design experience, the critical value depth-width ratio in the backward extrusion formation of rectangular shell parts is concluded.

结合模具设计的经验，推断出了反挤压成形矩形壳体零件的临界高／宽比。

The system changes the occupy-spatial ratio of the output PWM waveform ac-cording to the feedback voltage to keep the output voltage stable.

系统根据反馈电压及时改变输出PWM波形占空比，使输出电压保持稳定。

Multi-objective Optimization Research of The Ratio of Danshen and Sanchi with ED-NM-MO Trigeminy Method

ED-NM-MO三联法对丹参三七配比的多目标优化研究

The additional shear and stress of fiber become large with the addition of the contract ratio.

纤维附加剪应力和附加正应力差随着收缩比的增大而增加.

Effects of feed rate, feed fraction, reflux ratio and feed position on reaction distillation were investigated.

考察了进料流率, 进料组成, 回流比,进料位置对反应精馏的影响.

Therefore, it is a challenging task to design a reasonable blog search engine system to collect, organize and retrieve blog sources, and to improve the utilization ratio of information resources.

如何设计一个合理的博客搜索引擎系统，使其能在语义层次上收集、组织和检索博客资源，提高信息的利用率，成为了一个很有挑战性的研究内容。

Assessment of Using Power Ratio Indices GMAW Metal Droplet Transfer Mode

利用功率比指数对气体保护焊熔滴过渡模式的实现

Fecundation ratio of the first fetus of goat group account for 100%, the second account for 85.71%.

头胎受胎率为100%，二胎受胎率为85.71%。

This paper introduces a measurement system of glottal vocal efficiency ( GVE) designed according to the principle of speech-to-airflow logarithmic ratio at lip developed by authors.

本文介绍了一种按作者提出的唇部语音气流对数比声门发声效率原理设计出的声门发声效率测量系统。

The maximum GMI ratio of33% of these sample was observed by annealing at200 ℃.

观察到200℃退火后样品最大巨磁阻抗效应为33%。

Two failure management schemes for redundant sensor configurations are described: scheme by the direct comparison of the measurements and the scheme by general likeihood ratio test ( GLT) scheme.

本文阐述了两种余度传感器结构的故障管理方案：直接比较测量的故障管理方案和广义似然比检验（GLT）故障管理方案。

The coincident ratio of detecting the cause of obstruction was 86.7%, which was mildly superior to IUP and CT and showed statistically highly singnificant ( P < 0.01) comparing with ultrasound.

梗阻原因诊断符合率达86.7%，优于IUP与CT，但明显优于B超（P<0.01）。