2、

Infrared absorption methane concentration alarming device is comprised of microcontroller systems, light modulation module, signal conditioning module, digital display module, sound and light alarm module, remote control receiving module, standard output module interface circuit.

该红外吸收式的甲烷浓度报警器由单片机系统、光源调制模块、信号调理模块、数码显示模块、声光报警模块、遥控接收模块、标准频率输出模块等电路组成。

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3、

On the Technical Line for Formulation of Concentration Control Standard Value in Unorganized Discharge of Odor Substance

制定无组织排放恶臭物质浓度控制标准值的技术路线探讨

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4、

The UN's International Civil Aviation Organization ( ICAO) said it would lead moves to develop a global standard for the concentration of ash in the air beyond which it was dangerous to fly.

联合国国际民用航空组织表示会率先开发出火山灰在空中的浓度标准,标准以外的为危险飞行。

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5、

the mean and standard deviation of the concentration of gray classes in wanning and qindao were provided.

同时还给出了万宁、青岛两地各灰类氯离子浓度的平均值和标准差。

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6、

in dealing with high concentration of chromium-contained wastewater, by contrasting treat effects of the three common reductive agents, the best treatment effect of reductive and optimize technological conditions would be chosen to make wastewater meet the effluent standard.

在处理高浓度的含铬废水过程中,通过对三种常用还原药剂处理效果的对比,选择出处理效果最好的还原药剂,并优化工艺条件,使处理过后的废水出水能够达标。

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7、

we calculate the concentration of acemetacin by standard curve, and then get the accumulative release percentage of the sustained-release tablet.

根据标准曲线计算药物浓度,求得阿西美辛速释缓释双层片的累计释放百分率。制备三批阿西美辛速释缓释双层片,考察批与批之间体外药物释放度的重现性。

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8、

how to estimate the uncertainty of the concentration of hydrochloric acid standard volumetric solution

盐酸标准滴定溶液浓度的不确定度评定方法

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10、

And under the optimal conditions, concentration of CoQ 10 that determinated with standard curve chart was 91.2 %.

经标准曲线法测定在最佳条件下,分离得到的辅酶Q10纯度较高, 达91.2%.

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11、

There were two problems that flue gases entrained water and flue dust concentration exceeded discharge standard.

某热电厂尾部烟气的湿法除尘装置存在严重的烟气带水和烟尘排放浓度超标问题.

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12、

Along with the concentration of PMMA standard paniculate increased, apparent cutting rate increased a little.

随着PMMA标准微粒浓度的增加, 表观截留率略有增加.

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13、

After subcutaneous administration , the concentration of C ( ± ) P (-) soman was determined by using DFP as internal standard.

用二异丙基氟磷酸酯作内标,测定小鼠皮下染毒后脑与膈肌中游离C ( ± ) P ( - ) 梭曼.

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14、

Then the cyclone collector was added, the running load of fan was adjusted and part structure was improved, which made the smoke dust discharge concentration fall to the third class of national discharge standard.

通过增加旋风除尘装置、调整风机运行负荷、改进局部结构等,使外排指标均达到三级排放标准。

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15、

Among some improvement, outside fresh air sends directly to those spots around cooking range and chef breathing section where pollutant concentration is beyond standard can meet oxygen requirement for gas combustion efficiently and dilute pollutant concentration there quickly;

以组合风幕送风方式将室外新风直接送到炉灶周围和厨师呼吸区污染物浓度超标部位,高效率地满足煤气燃烧需氧量要求、快速稀释超标部位污染物浓度;

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16、

The half lethal concentration of 48? h-LC_ ( 50) of 21 nitrobenzenes to Daphnia carinata was determined by use of the standard test method, and the range of toxicity was from 3.49 for nitrobenzene to 5.40 for 1,4-dinitrobenzene.

采用标准实验方法测定了21种硝基苯类化合物对隆线蚤(Daphnia carinata)的48h半致死浓度值,结果lg(1/LC50)的范围在349~540之间;

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17、

NH3-N and concentration of particles reached lnd standard of sewage treatment plant.

浓度和浊度达到国家一级排放标准。

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18、

Methods: The serum concentration of cefaclor was determined by microbiological method in 18 healthy volunteers after an oral dose of 500 mg standard or tested formulation in crossways.

方法:18名健康受试者随机交叉单剂量口服头孢克洛片标准参比制剂和被试制剂500mg,采用微生物法测定不同时间血清中药物浓度。

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19、

The LC-MS/ MS methods for determining the concentration of SBT in rat plasma and in Beagle dog plasma were established using terbutaline as internal standard with LOQ of 0.10 ng/ ml and 0.05ng/ ml, respectively.

建立LC-MS/MS法测定大鼠血浆及Beagle犬血浆中SBT浓度,以特布他林为内标,方法专属性强、灵敏度高,定量限分别为0.10ng/ml和0.05ng/ml;

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20、

This soil is the political system of non-standard market economy and high concentration.

这土壤就是不规范的市场经济和高度集中的政治体制.

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