The online measurement of grain moisture content was fully introduced.
全面系统地阐述了粮食在线水分测量方法与原理、测量装置基本构成以及测量特性,给出了若干种水分测量方法的测量模型,指出了粮食水分测量技术今后的发展方向。
The bigness or smallness of the dewing temperature is closely related to the grain moisture content.
本文根据灰色系统理论的建模方法,计算出了粮食水分与结露温差之间的数学模型,模型具有较高的精度。
Through demarcating sensor and corresponding regress manage, we can get relation between dielectric loss angle and grain moisture content.
给出以AT89C52单片机为核心的粮食水分测试仪的硬件结构组成,并详细介绍了信号处理和测量方法;通过对传感器的标定并进行相应的数据处理。
In this paper, discussions are made on the various factors affecting the capative measuring of grain moisture based on the practical experiments.
探讨了当前电容式粮食水分检测中的各种影响因素,并根据具体实验给出了水分与电容,水分与定容积重量之间的拟合曲线。
Then the sensors on line can examine the grain moisture on time by collecting exact signals, transformation and treatment.
研究出一种新型的可与粮食干燥机类大型烘干设备配套使用的谷物类粮食水分在线检测的传感器,该传感器采用圆柱形结构,置于干燥设备的出口、入口处,不同含水量的粮食流过传感器时,传感器产生不同的电容变化量,经过精密的信号采集、转换与处理,完成粮食水分的在线实时检测。
When it is utilized for grain moisture measurement,a linear grain moisture sensor is implemented.
将其用于粮食水分的检测,实现了一种具有线性特性的粮食水分传感器。
Effect of ration level on the growth and feed utilization of Pseudobagrus fulvidraco;
摄食水平对黄颡鱼生长和饲料利用效率的影响
Under temperature 25±1℃ and the natural photoperiod,a trial were conducted at 3 ration levels(1/3satiation,2/3 satiation and satiation) to investigate the effect of ration level on nitrogen budget and energy of yellow catfish.
在25℃、自然光照条件下,测定黄颡鱼在摄食水平为1/3饱食、2/3饱食和饱食时的氮和能量收支。
047)g for 30d and formulated diet at six ration levels i.
5 %和过量 5个摄食水平进行投喂 2 8d ,对中国对虾的蜕皮进行了研究。
A growth trial was carried out at ration levels(1%, 2%, 3%,4% and saturation) to investigate the effect of ration size on the growth rate in wet weight increased linearly.
测定了 5种摄食水平下淡水白鲳的生长和饲料利用情况 ,结果表明 ,湿重特定生长率随摄食水平的增加呈线性增长 ;饲料转化效率在最低摄食水平 (1 % )时显著最低 ,在中间摄食水平 (3 % )时显著最高 ;蛋白质效率比和终重变异系数受摄食水平显著影响 ,但在 3 %、4%和饱食间无显著差
Fed manual concert forage, the specific growth rate of wet body weight, dry body weight, protein and energy increased linearly with ration size, r =0.
14cm)在 2 4℃下保持 5个摄食水平 (0～最大 )。
Tow experiments,each using four Chinese Yellow Cattle steers,were conducted to study the effect of different level of feed intake on the uric excretion of purine derivatives(PD).
为研究肉牛不同进食水平对尿中嘌呤衍生物(PD)排出量的影响,试验选用4头当地黄牛按4×4拉丁方设计进行两期消化代谢试验,两个试验的日粮由精料和粗料由40:60(试验1)和60:40(试验2)组成,试验日粮分别按"自由采食量"的100%、80%、60%和40%饲喂4种相同组分不同进食量的日粮,用全收粪法和全收尿法分别测定有机物(OM)的消化率和尿中PD排出量,试验结果表明,日粮进食水平对全消化道OM表观消化率没有明显影响(P>0。