The four concentration methods including microporous filter adsorption-elution method,talcum powder-diatomaceous earth layer adsorption-elution method,chemical flocculation precipitation method and talcum powder-diatomaceous earth flocculation precipitation method were compared by seeding known concentrations of polioviruses into water samples.
向水样中接种已知量的脊髓灰质炎病毒,然后利用微孔滤膜吸附—洗脱法、滑石粉—硅藻土吸附层吸附—洗脱法、化学絮凝沉淀法和滑石粉—硅藻土絮凝沉淀法等4种不同的浓缩方法对水样中的病毒进行浓缩,并采用实时定量RT-PCR技术对各方法浓缩后样品中的病毒进行扩增和检测。
The content of acetylene and other hydrocarbon in liquid oxygen measured by gas chromatogram has gas chromatogram concentrate method and direct method.
利用气相色谱浓缩法和气相色谱直接法测定液氧中乙炔及其他碳氢化合物含量。
Exxon Corporation of New York City announced plans in September 1978 to test laser enrichment of uranium in late 1980.
1978年9月纽约市埃克森公司报道，计划在1980年底进行激光浓缩铀的试验。
laser based enrichment plants
以激光器为基础的浓缩工厂
pinch discharge pumped laser
箍缩放电抽运激光器
Study on the Manufacturing Procedure of High Transparency Prunus Mume Concentrate Juice;
高透光率青梅浓缩汁生产工艺的研究
evaporating column
【化】浓缩柱, 蒸浓柱
Determination of phosphorus in uranium ore concentrate by spectrophotometry
GB/T11848.16-1991铀矿石浓缩物中磷的测定分光光度法
Determination of boron in uranium ore concentrate by spectrophotometry
GB/T11848.12-1999铀矿石浓缩物中硼的测定分光光度法
Squeezed Atom Laser Oringinating From Stimulated Raman Transition
利用受激拉曼跃迁制备压缩原子激光
HEWC (Highly Enriched Waste Concentrates )
高浓缩度废物浓缩物
To make(a solution or mixture) less dilute.
浓缩浓缩（溶液或混合物）
Determination of thorium in uranium ore concentrate by thorin photometric method
GB/T11848.11-1989铀矿石浓缩物中钍的测定钍试剂光度法
testing method for accelerated weathering by fluorescent uv condensation type
涂料的加速风化试验方法（荧光uv浓缩式）
measurement of biochemical parameters(spectromitric determination of the chlorophyll- a concentration)
生物化学参数测量-a-叶绿素浓缩光谱测定
Rapid Determination of Fumaric Acid in Apple Juice Concentrated with Near-Infrared Spectroscopy;
近红外光谱法快速检测苹果浓缩汁中的富马酸
Determination of trace manganese in acidification and enriched urine by atom absorption spectrometry
酸化浓缩尿样原子吸收光谱法测定尿中痕量锰
Rapid Determination of Apple Juice Mingled with Pear Juice by Raman Spectroscopy
拉曼光谱法快速检测掺入梨汁的浓缩苹果汁
Monitoring the Concentration of Carbon Dioxide by Tunable Diode Laser Absorption Spectrometer
二氧化碳浓度监测的二极管激光光谱技术研究
Intra-cavity fiber sensor for measuring gas concentration based on laser′s transient regime
基于激光瞬态特性的内腔气体浓度光纤传感器