查询词典 prefilter

The performance of multiwavelet denoising is investigated, a new method that estimate the size of noise is presented, the method is adopted to multiwavelet transform for non-critically sampled prefilter.

对多小波图像阈值降噪进行了研究，提出一种新的适合于非临界预处理的多小波变换的噪声估计方法。

Optional sub-micron prefilter for protection to the dryer and particulate afterfilter captures desiccant dust keeping it from downstream components.

可选的子为保障微米预过滤机和颗粒afterfilter粉尘捕捉干燥剂维持它从下游组件。

Jinshi-Brand MKJ-Type air purifier is composed of prefilter, combined filter, activecarbon membrane, electrostatic field and negative ion generator.

今是牌MKJ型空气洁净器由预过滤器、复合过滤器、活性碳膜、静电场及负离子发生器等组成。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。