选筛

Through the magnetic separation,acidwashing,sieving,reducing bleaching deferrization ,the whiteness of product can be improved,and the reaction mechanism and charging system discussed.

1%的产品为研究对象，通过磁选、酸洗、过筛、还原漂白除铁等方式提高产品的烧成白度，并对不同的试验研究和反应机理进行探讨。

Through the magnetic separation,acidwashing,sieving,reducing bleaching deferrization ,the whiteness of product can be improved,and the reaction mechanism and charging system discussed.

本文中采用的是烧成白度为80.1%的产品为研究对象，通过磁选、酸洗、过筛、还原漂白除铁等方式提高产品的烧成白度，并对不同的试验研究和反应机理进行探讨。

In this paper,one superior Aspergillus niger, which could secrete saccharifying enzym with high activity,was selected from Hexi savory vinegar material by useing the transparents ring as elementary index and saccharifying enzymic activity as secondly index.

采用透明圈法进行初筛，以糖化酶活力为复选指标，从接霉制曲后的河溪香醋原料醅中筛选到1株产糖化酶活力高的优势黑曲霉。

Suitable for grading granulated stuffs and screening out powder and liquid.

适用于料物的颗粒分级选别及粉末、液体的筛分。

During screening of seaweeds from different places in Europe for antimicrobial actiities against human and fish pathogenic bacteria, Laurencia chondrioides was identified as a promising species. By bioassay-guided isolation, followed by structure elucidation by mass spectrometry and 1H- and 13C-NMR spectrometry, two sesquiterpenoides of the chamigrene-type from the selected red seaweed Laurencia chondrioides were identified.

在对欧洲不同地方的海藻进行抗人类和鱼类病原菌的活性筛选中，凹顶藻Laurencia chondrioides被认为是最具前景的种类，通过生化分离和质谱和H、C核磁共振谱的分析，从所选的红藻Laurencia chondrioides中鉴定出了2种C型倍半萜。

The gravity separation ability of middlings has been investigated through screening test and float-sink test.

利用筛分试验和浮沉试验，研究了中煤破碎后采用重选的可能性。

Dongguan Aonengda Drive And Transmission Machinery Co,Ltd congregates research ,design, and production , specializing at designing and manufacturing of all kinds of drive and transmission equipments, and filling equipments, washing equipments to select, griddling equipments and coating equipments.

东莞市奥能达运输机械有限公司是集科研、开发和生产于一体的经济实休，专业设计制造各类输送、给料、洗选、筛分、涂装等设备。

XST drum screen is used for coarse screen to pulped wasted paper after the production process hydrapulper of pulp-making with wasted paper. It removes larger impurity in order to lighten the burden of subsequent screen equipment.

XST 圆筒筛用于废纸制浆生产流程水力碎浆机之后，对碎解的废纸进行粗选，除去较大杂物，以减轻后续筛选设备的负担。

Produces each kind of stone material and the system granulatedsubstance, the dressing Hubei type breaker, the counter-attack typebreaker, the hammer type breaker, the impact type breaker, the circle锥式 breaker, the duplicate suitable breaker, the ball mill, thevibration gives, sand washer, shaker, flotation machine mine equipmentand so on the material machine.

生产各种石料及制砂、选矿的鄂式破碎机、反击式破碎机、锤式破碎机、冲击式破碎机、圆锥式破碎机、复合式破碎机、球磨机、振动给料机、洗砂机、振动筛、浮选机等矿山设备。

The main products are: electromagnetic, permanent magnet Separators, magnetic separator, broken machines, to coal, shaker, metal detectors, mining machinery.

主要产品有：电磁、永磁除铁器、磁选机、破碎机、给煤机、振动筛、金属探测仪、矿山机械等。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。