查询词典 nutrient solution

Treating with different concentration of PEG 6000 in 1/2 Hoagland nutrient solution for 3 days, the physiological indexes , such as, Pn, chlorophyll fluorescence parameters, cell membrane permeability, MDA and relative water contents of Plantago asiatica L. and Viola philippcia Cay, were studied. The Pn of P. asiatica and V.

在不同浓度的PEG6000的1/2Hoagland营养液水分胁迫条件下，对处理3d的车前和紫花地丁的净光合速率、叶绿素荧光参数、细胞电解质外渗率、相对含水量和丙二醛含量等指标进行了测定和分析。

Effects of iron and two nitrogen forms on remobilization of iron from different iron pools in maize plants were studied in a split root system in nutrient solution under controlled conditions.

采用分根技术、营养液培养方法，研究缺铁条件下供应不同形态氮素对玉米苗期体内不同铁库中铁再利用的影响。

The seedling of merBhe-13 was transplanted into soil, suppling with the nutrient solution with PMA.

6经PMA筛选的MerBhe-13幼苗，移栽于盆钵土壤中，用含PMA的营养液浇灌。

It lives in a nutrient solution of tea and sugar, in which it constantly multiplies through germinating.

它生长在茶和糖的营养溶液中，通过发育持续增殖。

NaCl-tolerant clones of Z. sinica and Z. matrella (LRM and LCG, could retain a few green leaves at 7.5% NaCl for 3 weeks) and two sensitive clones of Z. matrella (HB and KE, showed 100% and near 100% leaf necroses in 3% NaCl) were used for this study. Plants were grown in nutrient solution supplemented with NaCl up to 3% under controlled conditions.

本研究选取耐盐性高(LRM及LCG，在7.5% NaCl浓下培养三周尚能维持一些)及低(HB及KE，在3% NaCl浓下培养三周后，片全枯及近於全枯)者各二营养系为材，将之培养於含有NaCl之营养液中，浓从0.5%渐增至3%，探讨其在盐逆境下之生反应。

The main results obtained were summarized as follows:Setcreasea purpurea Boom.has the ability to hyperaccumulate Cu.When the supply of Cu was 1000μmol·L~(-1),the Cu concentration in shoots and roots was up to 1105 and 1210 mg·kg~(-1)DW,respectively.Copper uptake and translocating efficiency of Setcreasea purpurea Boom.depended on the Cu concentration in nutrient solution.

为试验材料，综合运用溶液培养法、相关酶分析方法、ICP-AES元素测定技术、差速和超速离心技术以及分子生物学研究技术等从几个不同方面研究了该植物对Cu的超积累机理，取得了如下的结果。

The nutrient solution culture is a good plantation methods for ball cactus.

水培仙人球是促使球体快速增长的良好栽培方式。

The results showed that affecting degree of P supply level in nutrient solution on phosphatases of sugar beet root varied with the kinds of phosphatases,beet varieties and the spatial distribution places from the root in vivo to the substrate.

结果表明，营养液中的供磷水平对甜菜磷酸酶的影响程度因其从根内到根生长介质空间的分布位置、品种和磷酸酶的种类而异。

He applied phosphate fertilizer in nutrient solution at two levels and at three stages of development.

他在营养液中分两个用量三个发育阶段施入磷肥。

The five-leaf seedlings were treated in nutrient solution containing 0.08 mmol/L HgCl2 for 8 d.

用0.08 mmol/LHgC l2溶液对水稻种子浸种24 h、5叶期幼苗根部胁迫处理8 d。

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。