light free roost是什么意思

网络释义

用法例句

Study on Mathematical Model of NH_3 Concentration Changes in Henhouse under Ventilation Effect of Fan;

风机通风作用下鸡舍内NH_3浓度变化数学模型研究

Study on the Effect of Disinfect and Reducing Ammonia Applying Peroxyacetic Acid in Henhouses;

鸡舍内过氧乙酸消毒和除氨效果初报

Simulation of Humidity and Temperature Field in Ventilated Henhouse and Study Environmental Testing;

自然通风鸡舍环境温湿度测试及仿真

coli from chicken houses to their ambient air,the air samples,including indoor air,upwind air and downwind air of 5 chicken houses were collected using ANDERSEN-6 stages sampler and RCS.

结果显示:5个鸡舍内空气中大肠杆菌的浓度远远高于舍外上风和下风向的大肠杆菌浓度(P<0。

The aerosol fungi were collected at the entrance of the chicken house by means of Andersen 6-stage air sampler and common fungal counting media.

本文采用6级Andersen生物空气采样器和常用真菌计数培养基,在鸡舍入口处收集气溶胶真菌,经培养和纯化鉴定出78种真菌,其中包括黄曲霉、烟曲霉、黑曲霉及镰刀菌等在内的50余种真菌。

Two meat chicken houses, 14.

4m的双坡式有窗封闭舍内 ,采用三层笼养方式分别饲养70 0只 2 35日龄的艾维茵肉种鸡 ,将其中采用轴流式风机加湿帘纵向通风系统的一栋鸡舍作为试验组 ,而将另一栋采用窗户自然通风的鸡舍作为对照组 ,于夏季进行为期 1 5 d的试验 ,结果表明试验组与对照组的舍内温度在 1 d内明显不同 ,且舍外温度越高 ,试验组的舍内降温效果越好 ,相应地 ,试验组也减轻了肉种鸡的夏季热应激。

The resistance against antibiotics of bacteria from a poultry house and their spreading to surroundings of the house;

鸡舍环境耐药细菌气溶胶及其向环境传播的研究

The trial was determined the concentration of ammonia sulfureted hydrogen of piggery\poultry house in Shanghai district.

本试验测定了上海地区猪舍、鸡舍冬季氨气、硫化氢的浓度,分别为:4。

Co composting of different mixture made of vegetable waste, flower waste and chicken litter were studied.

以滇池流域的典型农业废物蔬菜、花卉废物和鸡舍废物为原料 ,进行了不同配比的联合堆肥中试研究 。

hen battery

备有分隔产卵箱的鸡舍

You're putting the fox into the henhouse.

你是把狐狸放在鸡舍里。

He strut around like a rooster in a hen house..

他像鸡舍里的公鸡一样昂首阔步。

STUDY ON STRUCTURE OPTIMIZATION OF ASSEMBLY POULTRY-HOUSE OF INDUSTRIAL HENNERY;

工厂化养鸡场装配式鸡舍结构优化的研究

Effect of Different Carbon Dioxide Concentrations in Henhouse on Blood Parameters in Broilers

鸡舍CO_2浓度对肉鸡血液生化指标的影响

The frx raid the henhouse and run off with its prize

狐狸袭击鸡舍,接著带著俘获物逃走了

The carpenter had some time on his hands, and made a house for his fowls.

木匠有些闲暇，便修了一座鸡舍。

The fox raided the henhouse and ran off with its prize.

狐狸袭击鸡舍,接着带着俘获物逃走了。

There was a fox on the prowl near the chicken coop.

有只狐狸在鸡舍附近踅来踅去.

The fox raid the henhouse and run off with its prize.

狐狸袭击鸡舍,接著带著俘获物逃走了。

She plowed the meadow into a garden and set up brooder house and barn.

她把草地犁成菜园，还搭了鸡舍牛房。

The Effect of Environment Control on Poultry Performance;

鸡舍环境控制对生产性能影响的研究

Simulation of Humidity and Temperature Field in Ventilated Henhouse and Study Environmental Testing;

自然通风鸡舍环境温湿度测试及仿真

Rule of Ammonia Emission and Research on Reducing Ammonia Concentration in Broiler House;

肉鸡舍氨气挥发规律及控制方法研究

Study of the Praeparatum on Improving the Environment of Chicken House and Effects of Saponin of Century Plant on the Immune Function;

鸡舍环境优化制剂及龙舌兰科皂苷对蛋鸡免疫功能影响的研究

Such an area should be sealed off from the poultry pens or hatchery.

这些地方同鸡舍或孵化室之间应完全隔绝。

The four skunks walked into the hen house, but as soon as they were inside,

那四只臭鼬就走入鸡舍。但它们一进到里面，

One night Chanticleer was sleeping by his wife in the chicken coop.

一天夜晚，强啼克利尔在鸡舍中与妻子共眠。