查询词典 nutrient solution

Under the field-grown condition,two straw residue and three nitrogen application rates were designed to investigate the remobilization of assimilation and nutrient absorption.

0引言氮素是作物生长必须的营养元素之一，在生产中具有十分重要的地位，土壤中氮素的丰缺及供给直接影响农作物的生长和产量。

Under the field-grown condition, two straw residue and three nitrogen application rates were designed to investigate the remobilization of assimilation and nutrient absorption.

在大田条件下，设计2种秸秆还田方式和3个氮肥水平，研究秸秆还田与氮肥管理对水稻养分吸收的影响。

Internal nutrient loading caused by sediment resuspension is becoming a key issue in studying water eutrophication of shallow lakes.

再悬浮过程中沉积物对水体营养盐的内源贡献是湖泊，特别是浅水湖泊富营养化研究中的重要问题。

In shelf seas,turbulent mixing is central tomany physical and biological processes,as it is often the key determinant of watercolumn structure and nutrient fluxes,and hence the rate of primary production,and also the settling,resuspension,aggregation and disaggregation of particulatematter.

在陆架海中，湍流混合是众多物理、生化过程的核心，它是水体结构及营养盐通量的关键控制因子，并控制着初级生产率及颗粒物的沉降、再悬浮、絮凝与解凝过程。

It generally are anchored to the sea bottom or to a solid structure by rootlike holdfasts that perform the sole function of attachment and do not extract nutrient s as do the roots of higher plants.

通常以根状固着器固着于海底或某种固体结构上，固着器只起固着功能，而不像其它高等植物的根那样要吸收养分。

Objective: To provide anatomic basis for the application of reverse-flow flap pedicled with saphenous nerve and its nutrient vessels.

目的：为隐神经及其营养血管为蒂的逆行皮瓣的应用提供解剖学基础。

The kinetics of cell growth and nutrient consumption were investigated in cell suspension cultures of Corydalis saxicola. The results showed that the pH value decreased during the early period of cultivation and increased later.

在岩黄连细胞悬浮培养过程中，对培养液pH值，碳源、氮源和磷酸盐含量，以及细胞生物量和生物碱含量进行测定，分析其动态变化过程。

102 phenotypic features of 16 strains isolated from Sesbania ,growing in dry hot valley region of panzhihua,were analyzed.13 reference strains were included for comparison.The result showed that there were great diversities among strains in carbon and nitrogen nutrient utilization,resistance to antibiotics,endurance to salt.

选用分离自攀枝花干热河谷地区的田菁根瘤菌未知菌16株和13株参比菌株，进行了102项表型性状测定，结果表明：供试根瘤菌株在碳氮源利用、抗生素敏感性、抗逆性等方面存在着差异。

A comparative study was conducted to analyze the changes of soil nutrient contents in Eucalyptus forestland and in shrubland after three years of prescribed burning.

采用对比分析方法，研究了广东鹤山桉林和灌草坡火烧迹地植被恢复后土壤养分含量的变化。

Have been done statistical work, analyzed and compared these experimental data using the SPSS(11.0), studied the mean concentration、spacial heterogeneity and correlation relation of each soil nutrient of the two studied sites and two living surroundings of shrubland.

利用SPSS(11.0)软件对实验数据进行了统计、分析和比较，研究了两个样地及灌丛样地两种生境各种土壤养分的平均含量、空间异质性和相关关系。

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。