Ways of improving crop yield per unit area and the countermeasures.
提高作物单产的途径与对策。
There is potential for increasing the yield per unit area on the existing cultivated land.
提高现有耕地单位面积产量有潜力。
Fuel load is measured by the amount of available fuel per unit area, usually tons per acre.
可燃物负荷是测量每块地区可得燃料的数量,通常是每英亩的吨数。
The amount or degree of strength of electricity, light, heat, or sound per unit area or volume.
强度程度单位电、光、热或声的强度的量或程度。
Used for sampling the roundness sample of all kinds of fabric to test whose weight of unit area.
用于各种织物的圆形取样,供测定织物单位面积质量。
Number of positive neurons of unit area refers to the positive neuron counts in each square millimeter.
单位面积阳性神经元数即每平方毫米面积中所含阳性神经元数量。
The number of panicles per unit area was the most important yield components in determining final yield.
单位面积小穗数是决定最终产量最重要的产量构成因素。
At the same time, through the central compression, to achieve the maximum utilization of the Unit Area.
同时,通过中部压缩,实现了户型面积的最大化利用。
This tree cultivation, increased per unit area of the long and leaves though, can play an important role.
这在培养树形、增加单位面积条长和叶虽方面,可起到重要的作用。
The trenches for cultivation can remarkably enhances the unit area output for the stem and fruit of Akebia trifoliate.
挖沟撩壕栽培能极显著地提高三叶木通单位面积内茎藤和果实产量;
The yield unit area can be increased after rational stand transformation and tending management, farmers income raised.
通过合理的林分改造及抚育管理,可以提高单位面积的产量,增加林农的收入。
The maximum output power at the unit area was established as the principle to optimize the physical dimension of the device.
之后在器件的实际工作条件下,确立了以单位面积输出最大功率为原则对器件的几何尺寸进行了优化;
The surface force per unit area exerted at the top of a wellbore when it is closed at either the Christmas tree or the BOP stack.
当采油树或防喷器组关闭时,施加在井口单位面积上的力称之为为关井压力。
It was found that the oxygen concentration on carbon black surface is proportional to the ozone supplied per unit area of carbon black surface.
研究表明,碳黑的表面含氧量与提供给单位碳黑表面的臭氧量成正比。
The maximum yield of corn kernel and straw crude protein in unit area is critical factor to determine the optimum harvesting maturity stage of corn.
单位面积上玉米子实和秸秆粗蛋白最大产量,是确定玉米最适收获时期的关键因素。
An important method of increasing rice yield per unit area is to improve the rice-planting mechanization lever and use advanced planting technology.
提高水稻单产的一项重要措施是提高水稻种植机械化水平,即采用先进的种植技术。
The fracture energy GF of concrete is one basic material characteristic, representing the energy necessary to create a unit area of fracture surface.
混凝土断裂能G _ F是材料的一个基本性能,表示扩展单位裂缝面所需要的能量。
Sound intensity is the sound wave intensity in sound field, which equals sound energy through the unit area perpendicular to the energy flow direction.
声强就是声场中的声波强度,它等于通过与能流方向垂直的单位面积上的声能量。
The relationship between quantity characteristic and the size of clone of Puccinellia Tenuiflora clone population at flowering stage sampled by unit area.
通过单位面积取样调查,定量地分析了开花期星星草无性系种群的数量特征及其与无性系大小之间的关系。
For this project is a heavier steel structure, plant production double-layer lattice rigid support scheme, the amount of steel per unit area save about 10%.
针对本工程为重型钢结构,对厂房采双层格构式刚性支撑方案,单位面积用钢量节省10%左右。
Four components contribute to rice grain yield including the panicles per unit area, the number of spikelets, the percentage of, and the weight of ripe grains.
四个水稻籽粒产量构成因素为单位面积穗数、小穗数、成熟籽粒百分数和成熟籽粒重量。
This paper studies the method measuring the unit area resistance of the Sabric superficies in condition of the low-voltage, and analysis some concrete instances.
介绍了在低电压条件下,测量织物表面比电阻的电流比法,并对测量中一些具体问题作了分析。
We must protect primary farmland, keep the area sown to grain stable, improve the structure of grain varieties grown and increase the per unit area yield of grain.
要保护好基本农田,稳定粮食播种面积,优化粮食品种结构,着力提高粮食单产。
This thesis study one of important factor in per unit area yield travel speed measure device and his sensor choice and relevant error analysis of form especially.
本论文重点是对单产的重要因素之一的行驶速度测量装置及其传感器形式的选择和相关误差分析进行了研究。
Increasing yield level per unit area is forever theme for rice breeding aim, and advancing photosynthesis efficiency is one of key factors for improving grain yield.
提高单位面积的产量是水稻育种目标永恒的主题,提高光合作用效率又是提高产量的关键因素。
From the three experimental cultivars, under different densities, the branches number and length of branches in unit area increased along with the increase of density.
不同处理下,供试三个品种单位面积条数、单位面积条长变化均随日期、密度增加而增加。
The measured CO2 values are substituted in a formula to calculate the CO2 flux per unit area and per unit time at different depths under standard atmospheric pressure .
将测得的CO2浓度值代入计算公式,即可求得标准大气压下某一深度土壤单位面积、单位时间内的CO2通量值。
The result of experiments shows that the inclined plate settlers have a high throughput per unit area and the degree of separation compared with common gravity settler.
结果表明,斜板沉降器的处理负荷与同尺寸的普通重力沉降器相比有大幅度的提高。
The result of experiments shows that the inclined plate settlers have a high throughput per unit area and the degree of separation compared with common gravity settler.
结果表明,斜板沉降器的处理负荷与同尺寸的普通重力沉降器相比有大幅度的提高。
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