查询词典 nutrients

Each level corresponded with three concentrations of copper that were 10, 25 and 50 mg/kg in the diets, and were conducted in Latin square designs to access the effects of dietary NPN and sulfur on metabolism of nutrients, the bioavailability and the requirement of copper in beef cattles.

以3头利木赞鲁西黄牛杂交一代公牛为研究对象，应用永久性瘤胃瘘管和颈静脉插管技术，研究了不同非蛋白氮、硫水平对肉牛营养物质代谢、铜的生物学利用率和需要量的影响。

The experiment was conducted in 2003 and 2004 to observe the effects of transgenic Bt cotton and soil nutrients on red leaf blight of cotton.

在棉田土壤营养丰富的条件下，观察了转Bt基因抗虫棉和非抗虫棉对红叶茎枯病的感病性。

When this piece of wood in the sound of the times when the situation in the brawl, Guiyang, tree tree on the Yunnan-Guizhou Plateau, but also are trying to suck the nutrients the times, in the years branches and leaf fat.

当这片树林在时代风云中哗哗作响时，贵阳，这棵云贵高原上的大树，也正努力地吮吸着时代的养分，在岁月中枝展叶发。

However, at some point factors such as lack of nutrients, accumulated wastes, etc., limit further increase, when the curve of number against time begins to level off and the curve becomes sigmoid.

然而一些关键性因素如营养物的缺乏、代谢产物的积累等，限制了进一步的增长。

Crossbred (Limousin × Lu-xi) beef cattle, fitted with permanent cannulas in rumen were used . Metabolism of nutrients was investigated by the determination of the disappearance rates of NDF and ADF and bacterial nitrogen.

试验还结合活体内尼龙袋技术，应用安装永久性瘤胃瘘管的肉牛，进一步研究了不同钼、硫、氮、铜对瘤胃NDF和ADF降解率的影响。

The mulberry leaves contain various nutrients,including crude protein 200 mg/g,dry matter,carbohydrate 450 mg/g,crude lipoid 80 mg/g and neutral detergent fiber 150 mg/g etc.

桑叶营养丰富，以干物计，粗蛋白200 mg/g、碳水化合物450 mg/g、粗脂肪80 mg/g、粗纤维150 mg/g。

This showed that capacity of water-holding in biological soil crusts were obvious improve,and effected precipitation permeate or water second distribute process.The study results of"fertile islands"formation mechanism in biological crusts showed that biological crusts layer cover could increased nutrients content for below sand soil through precipitation permeate washing,and it promoted plants assimilate more nutriment.The matter import ways of biological soil crusts fertility island had many ways,including the effection of living macrobiotics metabolism in crusts levels,wind-sand flow of near surface,dust deposition and plants decomposition course,etc.Source of particle matter in biological soil crusts was wind-sand flow of near surface,and not dust deposition.Biological crusts layer cover had preserved effection for nature water content in 0-5cm soil layer,compared with the sand of no biological crusts layer,effecting precipitation permeate,and could not obvious restrained from the water evaporate process indoor experiment.

生物结皮层肥岛形成机制的研究结果表明：生物结皮层覆盖能够通过降水淋溶作用而增加下层土壤养分的含量，进而促进植物对养分的吸收；生物结皮层养分输入有结皮生物代谢、降尘、风沙流和植物分解矿化作用等多(来源：A73e3B3eC论文网www.abclunwen.com)种途径，但生物结皮层的颗粒物质来源主要是近地表风沙流，而不是大气降尘；生物结皮层覆盖对0-5cm土层自然含水量有一定的保护作用，并影响降水向深层渗透，不能有效的阻止表层水分的蒸发进程；研究表明采取人工促进技术能够在流动沙丘上形成生物结皮层，实现流动沙地的快速治理。

It will review the present underst1anding of macro nutrients affect CVD risk, and discuss role of diets with different macronutrient profiles on prevention of CVD.

本文将重点讨论膳食脂肪、碳水化合物、蛋白质对心血管疾病危险因素的影响，以及不同宏量营养素组成的膳食在心血管疾病防治中的价值和作用。

It also has high amounts of the the energizing nutrients magnesium and potassium.

它也有大量的营养物质的活力镁和钾。

Tomatoes contain high levels of vitamin C, vitamin B1, malic acid, citric acid and other nutrients.

西红柿含有大量维生素C、维生素B1、苹果酸、柠檬酸等营养成分。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。