查询词典 filtration

Using gel filtration,the molecular weights of hot water extracts from C.

以胶体层析法得知鸡腿菇热水萃多醣的分子量较其碱萃多醣大。

In order to reuse gray water from student dormitories in campus, the coagulation/suspended sludge filtration process was used to treat the wastewater.

为实现校园学生宿舍洗漱优质废水的再生，采用混凝、污泥层过滤为主体的工艺处理洗漱废水。

Zibo Zhoucun IP-filtration plant was established in 1996, mainly produces various types of centrifuges and the enrichment machines.

淄博周村庆宁过滤设备厂成立于1996年，主要生产各种型号的离心机和浓缩机。

METHOD:Porcine hemoglobin with high purity and activity was prepared by centrifuging,micro filtration and weak anion exchange chromatography.

方法通过离心、微滤和弱阴离子交换层析法，制备高纯度高活性的猪血红蛋白，并建立合理的检验方法(紫外可见光扫描、电泳、高效液相色谱、血凝试验抑制试验和血气分析等)，以确定纯化产品的含量、纯度和活性。

A method for evaluating the drainage properties of pulp with specific filtration resistance is introduced.

介绍了用比过滤阻力评价纸浆滤水性能的方法，讨论了影响比过滤阻力的主要因素及影响机理，并对今后的发展方向提出了建议。

A method for making Bisphenol A with a purity of more than 99.7% by reacting phenol and acetone using an acid catalyst, separating a BPA-phenol adduct by crystallisation and removing phenol from the adduct, in which involves continuous suspension crystallisation with a total dwell time of more than 4 hours in at least 3 crystallisers, by cooling first to 50-70 C in two parallel crystallisers and then to 40-50 C in a third crystalliser connected in series with the first two.; A method for the production of Bisphenol A with a purity of more than 99.7%, by reacting phenol with acetone in presence of an acid catalyst, separating a BPA-phenol adduct from the product mixture by crystallisation, filtration and washing, and removing the phenol from the adduct, in which stage involves continuous suspension crystallisation in at least three crystallisers connected in such a way that the mixture is first cooled to 50-70 C in two crystallisers in parallel and then cooled to 40-50 C in a third crystalliser in series with the first two, the total residence time of the mixture over all crystallisers being more than 4 hours.

描述用于生产纯度大于99.7％的双酚例如，双酚A(BPA的方法，这种方法包含苯酚和丙酮在有酸性催化剂参与的情况下反应形成一个包含双酚的产物混合物；通过结晶、过滤和洗涤从该产物混合物中以双酚/苯酚复合物的形式除去至少一部分双酚以提供双酚A/苯酚复合物晶体；并且从双酚/苯酚复合物晶体中除去至少一部分的苯酚以提供纯度大于99.7％的双酚；其中结晶过程包括连续的混悬液结晶，并且是在至少三个结晶装置中进行的，装置的排列使得产物混合物首先在结晶过程的第一阶段在第一个结晶装置和并联的第二个结晶装置中被冷却到50至70℃的温度，随后在结晶过程的第二阶段在与第一和第二个结晶装置下游串联的第三个结晶装置中被冷却到40至50℃的温度，并且其中产物混合物在结晶过程中的总驻留时间在4小时以上。

NH4 +-N in the wetlands to remove the hydrazine mainly by microorganisms, nitrification and demystification. Plants absorb and volatile, matrix adsorption, filtration, sedimentation and ammonia volatilization.

中文摘要： NH4+-N中N的去除主要是通过微生物的氨化、硝化与反硝化作用，植物的吸收和挥发作用，基质的吸附、过滤、沉淀和氨的挥发等。

Equipment for filtration various widely, from the conventional plat-and-frame press to rotary vacuum filters.

过滤设备从传统的板框式过滤机到旋转式真空过滤设备，种类很多。

Haematological filtration was used to screen the diseases on a Large-scale among the residents in Jiangkou county.

用血液学筛查方法对该地区土家族共485名当地常住居民进行β-地中海贫血筛查。

The best subsidence and filtration temperature of the phosphoric acid suspension is 90℃ in this experiment.

本实验所用磷酸料浆的最佳沉降与过滤温度为90℃。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。