查询词典 nutrient

Denudate litterfall production, nutrient return, and nutrient use efficiency showed that at the densities of D1, D2 and D3, the annual litterfall production was 793.2, 1135.7 and 1458.5 kghm^(-2), carbon return was 370.7, 516.2 and 671.5 kghm^(-2), and the total return of N, P, K, Ca and Mg was 16.3, 22.9 and 29.3 kghm^(-2), respectively.

结果表明：3个密度缺苞箭竹的年凋落物量分别为793.2、1135.7和1458.5 kghm^(-2)，C归还量分别为370.7、516.2和671.5 kghm^(-2)，5种主要养分归还量分别为16.3、22.9和29.3 kghm^(-2)，均随密度的增大而增加。

A pot experiment with three levels of nutrient supply was carried out to investigate clonal plasticity of stoloniferous herb Duchesnea indica Focke in response to nutrient availability.

为了研究匍匐茎草本植物对基质养分供应水平的克隆可塑性，在一栽培实验中匍匐茎草本植物蛇莓经历了高、中、低养分水平的环境处理。

Copper contaminated soil was selected, Brassica juncea and Elsholtzia splendens plants were used, then simulation experiment, hydroponic culture, column leaching experiment and pot experiment were conducted to study (1) effects of organic chelants on the Cu specition in soil solution and soil soild phase;(2)Effect and mechanism of organic chelants on plant growth and Cu uptake by plant;(3) nutrient addition on plant growth and Cu accumulation;(4) limitation of chelant in soil;(5) Desolving on nutrient and heavy metals in soil and their environmental risk by chelant application and (6) effects of degradable organic chelant and microbial materials on plant growth and phytoremediation efficiency of Cu contaminated soil.

选择铜污染土壤，利用印度芥菜和海州香薷植物，通过室内模拟试验、水培试验、土柱淋溶试验、温室盆栽试验，开展了以下六方面的工作：（1）有机络合剂对土壤铜固-液相形态、浓度变化的影响；（2）有机络合调控对对植物生长与铜吸收的影响及其机理；（3）养分调控对植物生长和铜积累的影响；（4）有机调控剂的作用时限；（5）有机物对土壤养分、重金属的络合溶解和淋溶作用与环境风险；（6）可降解络合剂及微生物菌剂对海州香薷修复污染土壤的效应。

This paper reviewed the research on dynamic and balance of soil nutrient pool under long-term fertilization conditions,mainly about some active aspects which included dynamic variations of total nitrogen,available N,total phosphorus,available P,total potassium,available K,and organic carbon in soil; dynamic variations of ammonium N,amino acid N,amino sugar N,unknown N,non hydrolyzable N and microbiomass N in soil nutrient pool; changes of Ca2-P,Ca8-P,Al-P,Fe-P,O-P,labile organic P,moderately labile organic P,moderately stable P,highly stable P and microbiomass P in soil; changes of loosely,stably and tightly combined humus,humic and fulvic acids in soil carbon pool; effects of long-term fertilization on organic-mineral complex status in soil; nutrients cycling and balance of agricultural soil nutrients pool.

扼要地概述了国内外近年来关于长期施肥条件下土壤养分库的动态与平衡方面的研究成果。主要介绍并讨论了土壤氮、磷、钾养分全量及有效量的动态变化，土壤有机碳含量的动态变化；铵态氮、氨基酸态氮、氨基糖态氮、酸解未知态氮、非水解残渣氮及微生物体氮在土壤氮库中的动态变化；Ca2 P、Ca8 P、Al P、Fe P、闭蓄态磷，活性有机磷、中度活性有机磷、中稳性有机磷、高稳性有机磷及微生物体磷在土壤磷库中的动态变化；土壤碳库中松结态腐殖质、稳结态腐殖质、紧结态腐殖质以及富里酸和胡敏酸的动态变化；长期施肥对土壤有机无机复合状况的影响；农田土壤养分库的养分循环与养分平衡。

This international standard and GB 13432 — major changes compared to 1992 are as follows:—— the standard name is replaced by: labelingofprepack the labeling of foods for special dietary uses; lawk: GB 13432 — 1992 " Chapter 4 " and " the basic principles of Chapter 6 " merged to form the basic requirements of this standard of " Chapter 4 basic requirements ";--added allow nongraphite " energy and nutrient content claims "(see 5.4.1);--increase the allowed nongraphite " energy and nutrient content claims "(see 5.4.2);--increase the allowed nongraphite mutrients of " claimed "(see 5.4.3);--an increase of " food energy and nutrients of nongraphite, nongraphite values of expressions and tolerances for ".

本标准与GB 13432—1992相比主要变化如下：——标准的名称改为：预包装特殊膳食用食品标签通则；——将 GB 13432—1992&第4章基本原则&和&第6章基本要求&合并为本标准的&第4章基本要求&；——增加了允许标示&能量、营养素含量水平的声称&(见5.4.1)；——增加了允许标示&能量、营养素含量比较的声称&(见5.4.2)；——增加了允许标示&营养素作用的声称&(见5.4.3)；——增加了&食品中能量和营养素的标示方式，标示值的表述方式及允许偏差&。

Response of Nutrient Accumulation Characteristics and Nutrient Strategy of Myriophyllum spicatum L.

穗花狐尾藻Myriophyllum spicatum L。

Nymphoides peltatum, a floating macrophyte was used as experimental materials, the contents of nutrient elements were obtained by inductively coupled plasma spectroscopy, the effects of exogenous PAs on Zn accumulation and other nutrient element absorption of plant leaves under Zn stress were observed.

方法］以浮水植物水荷花为试验材料，采用电感藕合等离子体发射光谱法测定各种元素含量，研究了外源多胺对锌胁迫下植物叶内锌富集及其他营养元素吸收的影响。

Higher nutrient availability could significantly advanced seedling survival rate and overwinter survival rate for some species, but no significant effect on seedling emergence rate.3 Middle light and higher nutrient microsite can significantly advanced seedling recruitment probability for these species.

高养分生境可以显著提高一些物种的幼苗存活率和越冬率，而对出土率没有显著影响。3中等光照下的高养分微生境可以显著提高这些物种的幼苗更新补充概率。

The international nutrient value assessment method was applied to the overall assessment of the protein nutrient value of Pholiota adiposa mycelia. The assessing result showed that the total essential amino acid in Pholiota adiposa mycelia was very high, making up to about 40.0% of the total amino acids.

相对黄伞子实体的栽培而言，通过液体发酵技术生产黄伞菌丝体具有产量高、周期短、不受气候变化的影响、条件易于控制等优点，因此，对黄伞菌丝的液体发酵工艺和菌丝体的营养价值进行研究具有重要的实际意义。

The optimal boron concentration for growth of pea (Pisum sativum L.) andcucumber (Cucumis Sativus L.) plants was screened by designing a series of boronconcentration in nutrient solution and the influeuce of boron deficiency or toxicityon integrity of cell membrane in different organs of the two plants was studied bymeasuring pH of the nutrient solution,〓 concentration and conductance in rootexudate solution and extracting solution of different organs from the two plants.

用不同浓度硼的营养液培养豌豆、黄瓜植株，筛选和确定在温室条件下生长所需的最适硼浓度和硼毒害浓度；进而通过对缺硼、对照和硼毒害处理后营养液pH变化，根分泌物和不同组织浸提液中K+浓度和电导率的测定，研究了缺硼和硼毒害对两种植物不同组织细胞膜完整性的影响。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了