under field conditions

Exampling type 8K electric locomotive and combining with a field testing, this paper analyzed and researched the main noise sources and the noise characteristic of the cab under various conditions.

以8K型电力机车为例，结合现场测试，分析研究了列车在不同运行情况下司机室的主要噪声源及其噪声频谱特性：常速下，呈低频特性；

The conditions under which field outbreaks take place are fairly defined.

在野外情况下的发病已充分肯定.

On sand the application of carborundum tube for the determination of decomposition rate of plant residues under field conditions

田间测定植物残体分解速率的砂滤管法

Application of Ultrasound in Traumatic Brain Injury Operation under the Conditions of the Field Hospital

超声在模拟野战医疗所部分条件下颅脑损伤手术中的应用研究

Study of diurnal variation of photosynthetic efficiency in Chinese Cabbage under field conditions

田间大白菜光合效率日变化的研究

Threshold of Hearing for Extended Low-Frequency Pure-tones under Free-field Listening Conditions Progress of high frequency audiometry

自由场中正常青年人扩展低频听阈测试扩展高频测听的进展

Finally, the steady tire temperature field and rolling resistance under different working conditions are calculated based on the direct solving strategy.

基于直接策略，分析计算了不同工况下的轮胎稳态温度场和滚动阻力。

The distribution, size and photosynthetic properties of leaves at different leaf positions of Chinese fasciated stem soybean were studied under pot and field conditions.

本文分别在盆栽及大田条件下对中国扁茎大豆不同叶位叶片的空间分布、叶片大小及光合生理特性进行了研究。

Vertical movement of~ ( 32) P in waterlogged paddy soils under field conditions

田间条件下~（32）P在淹水水稻土中的垂直运移

On midday depression of photosynthesis of wheat leaf under field conditions

田间小麦叶片光合作用午睡现象的研究

Eight typical varieties ( strains) of Japonica rice grown in Heilongjiang Province were selected and field experiments were conducted under 4 cultivation conditions ( 2 kinds of Dressing methods and 2 kinds of Dressing methods) at Northeast Agricultural University Xiang fang farm.

选用黑龙江省典型粳稻品种（系）8个，于东北农业大学香坊试验站在四种栽培条件下（两种插秧规格、两种施肥方式）进行了田间试验。

Two different buckwheat genotypes were used to study characteristics of the leaf senescence at flower-set caulis nodes from flowering to maturing under field conditions.

大田条件下试验观测甜荞西农9976和苦荞西农9920两种不同基因型荞麦开花至成熟期间主茎叶片衰老特性。

Simulation of soil nitrogen transport under field conditions ⅱ. verification and application

田间条件下土壤氮素运移的模拟模型Ⅱ田间检验与应用

Under the conditions of constant distance and medium voltage between the anode and cathode, the field emission stability has been investigated with the sample being continuously operated and interruptedly operated.

在距离不变及中等工作电压的情况下，测定了样品连续工作及反复间断工作时场致发射电流的稳定性。