查询词典 nutrient solution

The method of diagnosing plant diseases intellectively by computer vision that were short of a kind of nutrient in soiless agriculture was proposed on the base of the whole current development of computer vision in agriculture home and abroad. It has a vast range of potential application.

中文题名基于计算机视觉技术的无土栽培番茄缺素智能识别研究副题名外文题名 Study on application computer vision to diagnose tomatoes' diseases of nutrient deficiency in soiless agriculture intellectively 论文作者徐贵力导师毛罕平教授学科专业机械设计与理论研究领域\研究方向学位级别博士学位授予单位江苏大学学位授予日期2002 论文页码总数80页关键词无土栽培番茄智能识别计算机视觉馆藏号BSLW /2003 /S126 /4 在国内首次提出基于计算机视觉技术对无土栽培作物缺素进行智能诊断，论述了该技术的意义及广阔的应用前景。

Effects of the interplanting of Tephrosia candida on nutrient cycling of eucalyptus plantation ecosystem

桉树林间种山毛豆对生态系统养分循环的作用

Pot plant experiment was conducted to study the effect of the different fertilizer made from animal tissues on content change and relationships of micro-elements nutrient in rhizosphere soils and leaves of two-year Xiangling walnut (Juglandaceae nigira cv.xingling).

采用盆栽试验，探讨不同配方动物源有机肥对核桃根际土壤与幼树叶片微量元素含量的变化及其相互关系的影响。

The photosynthetic ecophysiological response of Jussiaea repens to two waters with different nutrient level was measured.

对水龙在不同富营养水体中生长时的光合生理生态特征变化进行了测定。

In this paper, preservation characteristics of the viviparous propagule of Kandelia candel and Aegiceras corniculatum, change of nutrient content and caloric values of several mangroves species during winter, cold resistance and salt resistance and the effects of supplemental calcium on the seedling of three mangrove species were studied, the main results showed as follows

本文进行了红树植物对低温和盐度的某些适应生理生态学研究，主要讨论胎生繁殖体的贮藏特性、不同盐度和低温下生理生态指标的变化和补充钙的效应，以及这些处理下，植物体中6种元素和热量的变动特性等。

In this experiment, typical ectomycorhizal fungi strains(Lactarius delicious 01, 02 and 03) were isolated from Three-Gorges Reservoir where Pinus Massoniana was very popular. And Suillus placidu 504(sp 504) and Laccaria bicolor S238N (Lb 23 8N) typical in South China were also chosen to study the effects of ectomycorrhizal fungi on the growth and nutrient absorption of Pinus Massoniana. And the culture characteristics of three strains of Lactarius delicious were also studied. The object of this study is to supply techniques in culturing ectomycorrhizal seedlings for planting trees in Three-Gorges Reservoir.

试验从马尾松大面积分布的三峡库区，分离出代表当地生态条件的松乳菇(Lactarius deliciosus 1、2和3)，并选择中国南方具有代表性的华南牛肝菌(Suillus placidu 504)和双色蜡蘑(Laccaria bicolor Lb S238N)，研究了松乳菇3个菌株的培养特性，并利用Lb S238N、Sp 504、Ld01和Ld03苗床接种马尾松，观察了它们对幼苗的生长和养分吸收的影响，目的是为三峡库区马尾松的植树造林提供培育菌根化苗木技术。

With decreasing nutrient supply, biomass allocation to laminae and petioles decreased, whereas that to roots increased.

随土壤养分的降低，绢毛匍匐委陵菜对叶片和叶柄的生物量投资减小，而对根系的生物量投资增加。

This process is optimal for preserving the nutrient factors critical to the applications of cell culture, leptospira and microbiological growth.

这个过程是保存细胞培养，钩端螺旋体和微生物生长中营养因素的最佳方法。

Various environment factors, like light, temperature, nutrient, Cu2+, ect were tested for growth and lexicological effects of M.aeruginosa.

在纯化培养的基础上，我们开展了光照、温度、营养盐及Cu~(2+)对该铜绿微囊藻生长及毒理学影响的研究。

The fitting method of dynamics processes of removing main nutrient TP by Lolium multiflorum showed that it accords with cubic curve.

对其去除水体总磷的动态过程拟合表明符合三次方程曲线。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。