查询词典 rate of flow

The mobile phase was a mixture of acetonitrile 0.378 mol/L acetum (30∶70) and in a flow rate of 0.8 mL/min; The detective wavelength was 321 nm; Column temperature was room temperature and the injection quantity was 10 μ L.

色谱柱 Lichrospher C 18 (4.6 mm ×250 mm，5 μm)，C 18 保护柱；流动相：乙腈 0.378 mol/L冰醋酸水溶液(30∶70)；检测波长321 nm；流速0.8 mL/min；柱温：室温；进样量10 μL。

The optimal coefficient of excess air was related to the mass flow rate of methane and wall temperature.

甲烷质量流量、壁面温度与最佳过量空气系数之间具有一定的变化关系。

Especially the anabranch water level is raisen great and the flow speed slow down obviously for holded up by the Yangtze River, and the rate of water eutrophication is raisen. The thesis chose the typical branch river, Xiaojiang river, to sample and research the eutrophication degree , and discover that the eutrophication of branch river are serious.

本论文主要选择了典型消落带断面，分析了浮游生物种类，并以典型流域——小江流域，对该流域的消落带水体的富营养化程度进行了调查、采样、监测和分析，并运用模糊数学理论建立了评价模型，对消落带水体的富营养化程度进行了评判，发现蓄水后长江支流富营养化现象较为严重。

In this paper,the detailed preparation process of gas chromatographic column for separating benzene series was introduced,the optimum column temperature and flow rate of carried gas were selected for separation the mixture of cyclohexane,benzene and toluene,and the column performance has been studied in respects to column efficiency and separating size.

本文主要介绍了气相色谱柱的详细制备过程，并以环已烷、苯和甲苯的混合物的分离为例，选择了最佳的操作条件。同时从柱效率和分离度两方面考察了该色谱柱的柱性能。

The optimal separating condition of chromatography analysis was: Shimadzu VP-ODS 150mm4.6mm as chromatographic column; acetonitrile/water (12/88,V/V, Contained 1.25mmol/l phosphoric acid) as mobile phase with flow rate of 1.0ml/min. Macroporous ion exchange resins and activated carbon were applied to enrich the trace level impurities and the main impurities was determined by LC-MS and GC-MS.They were : Benzonitrile , 2-Methyl-8-hydroxyquinoline, 2,6-Pyridinediamine , O-ethyloxime Cyclo-hexanone and compound with 220 molecular weight .

采用离子树脂和活性炭吸附富集这些微量的杂质，并通过液质联用和气质联用对杂质进行了定性分析，鉴定了影响290nm吸收的主要杂质为苯甲腈，2甲基-8羟基喹啉，2，6二氨基吡啶，O-乙基环己酮肟和分子量220的物质。

Such factors as distillation temperature and distillation pressure, etc. which affect the process of preparing citral from Litsea cubeba oil and of preparing cinnamaldehyde from cassia oil by molecular distillation were investigated under rotation of 370～390 r/min,flow rate of 1drop/s,and temperature of cooling water 4～5℃.

利用分子蒸馏新技术从天然香料肉桂油和山苍子油中分离提纯肉桂醛和柠檬醛，用GC–MS联用仪对分离物中肉桂醛和柠檬醛的质量分数进行分析，重点研究了压力和温度等主要影响因素。

Another formula for calculation sub-flow rate of dense medium suspension is derived based the principle of balance of non-magnetic material in circulating medium .

根据循环介质非磁性物平衡原则，推出重介悬浮液分流量另一计算公

Using the color changing information of phase change paint, this technique mainly applies an image capturing and processing system which consists of a CCD video camera and a computer to measure the characteristic parameter and the heat transfer rate of model surface in hypersonic flow.

该技术主要是运用CCD摄像机与计算机组成的图像采集与处理系统，利用涂料发生相变的颜色变化信息，测定高超声速流场中模型表面气动加热的特性参数和热流分布情况。

The optimized velocity of flow in dynamic adsorption is tenth of the volume of the resin columniation per minute and the adsorbed volume of the solution which contain 101μg/ml activity component of 2507 is 65 time of the volume of the resin columniation. The dynamic adsorption capacity of per gram resin is 9494μg/g, and the adsorption rate is almost 100％ because the hydrogen bond may be formed in the adsorption process.

动态吸附最佳的吸附流速为每分钟十分之一个柱体积，在此条件下，可以吸附相当于约65个柱体积的有效组分浓度为101μg／ml的溶液，每克树脂的动态吸附量为9494μg／g，因为可能在吸附过程中有氢键生成，所以吸附率几乎为100％。

The effects of the sodium bisulfate dosage, reaction temperature, water content, methanol flow rate on the conversion rate of waste oils were investigated.

考察了硫酸氢钠用量、反应温度、反应体系含水量、甲醇流量等对酯化反应转化率的影响。

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