查询词典 aeration

Strain Z-1 was an aerobe and its activity to convert keratin to soluble protein was promoted under sufficient aeration.

菌株Z-1是一种好氧菌，供氧充足有利于它将羽毛角蛋白转化为可溶性蛋白。

This thesis is to simulate three-dimensional gas-liquid two-phase flow in a new efficient aeration mixing tank, and to evaluate the performance of this equipment and to study the effects of operating parameters on volume fraction of the air phase in the tank by using commercial CFD software.

本文针对一种新型曝气搅拌设备，采用计算流体力学的方法用FLUENT软件来模拟设备内的气－液两相三维流动场，评价该设备的性能，考察设备内的气相分布情况随着操作参数的变化规律。

The mathematical model for predicting the hydraulic and aeration characteristics of aerator is established and the correction for the emergence angle of the jet is deduced.

一般对Fr＜7的低Fr数流动情况，掺气设施水力及掺气特性与高Fr数流动情况有显著差别，掺气设施的设计也有其特点。

Bathroom door had been disposed by moistureproof process before distribution. However, we still suggest customer to preserve aeration of bathroom in order to preventing transmutation due to the aquosity absorbed identity of wood product.

卫生间门出厂时已做过防潮处理，但鉴于木制产品吸潮的特性，建议卫生间应经常保持通风状态，不可长时间使木门处于潮湿的状态，以免木门吸潮变形。

The optimal temperature of intermittent aeration mode SBBR one-stage autotrophic nitrogen removal system was 30℃.

在一定温度范围内(不大于30℃)，温度的升高有助于提高系统的NH4+转化速率和脱氮效能。

The results showed that both continuous and intermittent aeration system could implement completely autotrophic nitrogen removal.

结果表明，连续和间歇2种曝气方式均可实现单级自养脱氮，在进水氨氮浓度为160 mg/L左右，温度30℃±2℃，pH值7.8～8.2，HRT为2 d，DO为0.8～1.0 mg/L的条件下，连续曝气系统的氨氮转化率和总氮去除率分别达到80%和70%。

By analysing the hidden dangers of gas-fired boiler room in system of burning,leak of gas and system of steam-water,the paper presents some safety measures considered during designing of blast shelter,gas pipeline,aeration and fire controlling of boiler room,and advanced some prevention measures to realize the safety run.

从燃烧系统、燃气泄漏、汽—水系统三方面分析燃气锅炉房的安全隐患，提出工程设计时在抗爆卸压、燃气管道及通风与消防等方面应考虑的安全措施，并提出了预防锅炉房事故发生的值得注意的问

The soil structure is afferent mineral particles, which also influences drainage and aeration, and the retention of water by capillarity.

土壤结构也受土壤质地的影响，因为不同矿物分子的不同体积会影响排水性和通气性以及对土壤水分的保持能力。

The Institute of Design Refit but be accomplished on changing water ventilation style charge oxygen sealing off the luck fish device being to transport the live fish basis directly in the plastic bag, it can be on the march in the lower , relaxed condition fleetness field not loosening a plastic bag changing water aeration.

1达州职业技术学院，四川达州635001；2中国农业大学，北京 100094）(宋体小5号居中)摘要：本研究所设计的换水换气式充氧密封鱼苗运输装置是直接在塑料袋运输活鱼基础上改装而成，它能在不松开塑料袋的条件下，轻松快速地进行换水换气。

The experiment individually focused on the velocity distribution of concentration ellipse shape represented in oxidation ditches existed in sewage treatment plants, and confirmed the rationality of aeration and the submersed flow driver power designed.

该试验在实际污水处理厂进行，对采用同心椭圆型沟道的Orbal氧化沟的流速分布进行了的测定，重点研究了Orbal氧化沟的水力流态特征，验证了曝气及水下推动设备功率配置的合理性。

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。