查询词典 exchangeable

With these databases,12 essential evaluation factors was decided,such as drainage capability,crop rotation system,parent material,soil erosion type,soil acidity,organic matter,total nitrogen,available phosphorus,available potassium,exchangeable magnes...

并在此基础上选取排涝能力、轮作制度、成土母质、土壤侵蚀类型、pH、有机质、全氮、有效磷、速效钾、交换性镁、耕层厚度、障碍层状况12个要素作为评价指标。

Corn seedling were grown for 5 harvests in pot experiments to evaluate potassium supplycapacity of the soils.Results indicated that when soil avaliable potassium decreased,the dryplant matter was firstly affected,secondly was the total uptake of potassium by plant,then was thepotassium content in plant.Exchangeable,nonexchangeable and mineral potassium wereavaliable for plant,but the contribution of each potassium form was depended on soil types.

本文在研究褐土、潮土不同层次土壤的供钾特性、土壤各形态钾素的动力学行为以及小麦根系对钾素的吸收动力学特征的基础上，以玉米幼苗从土壤中的吸钾量为对照，考察了土壤钾素动力学特征与土壤钾素生物有效性的关系，运用热力动力学理论建立了土—根系统中的钾素能态链，并确立了土壤钾素生物有效性的能态指标。

The results indicated that the extraction rate of mineral from pollen in 70℃ water was the highest. the extraction rates of four mineral: Fe, Zn, Cu and Mn were 6. 931％, 52. 786％, 44. 443％ and 46. 549％ respectively. Second speciation presented in the form of exchangeable and nonexchangeable speciations, organic and inorganic speciations at the same time. The contents of both Fe and Mn in nonexchangeable speciation were more than 50％, most contents of Fe、 Zn、Cu、Mn were inorganic speciation. Among the four elements, the content of protein binding speciation of Fe was the highest: 47. 305％. The average mineral contents of soluble carbohydrate and grease binding speciation were less than protein binding speciation.

结果表明：70℃水浸泡花粉，矿物质浸出率最高，Fe、Zn、Cu、Mn四种元素总提取率分别为6.93l％、52.786％、44.443％和46.549％；次级形态以稳定态与不稳定态、有机态与无机态等多种形态共存，其中Fe、Mn元素不稳定态含量均大于50％，Cu、Zn、Mn、Fe元素大部分以无机态形式存在；四元素中Fe元素蛋白质结合态最高，达47.305％，可溶性糖类结合态及脂肪结合态平均含量比蛋白质结合态平均含量少。

In view of the phylogenic distance between E.coli and B.subtilis, 16S rRNA was demonstrated to have a highly exchangeable property between these two species of different evolution status.

由于E.coli和B.subtilis在遗传距离上较远，两者的可替换性证明了16S rRNA的高度保守性。

Linear regression analysis demonstrated that GI, whichrepresented phytotoxic behavior to the plants, could be poorly predicted by the sum of mobilemetal fractions (exchangeable +carbonate +reducible iron and manganese+ organic matter bound,EXCH+CAR+FeMnOX+OMB), i.e., Cu (EXCH+CAR+FeMnOX+OMB) in SS, Pb (EXCH+CAR+FeMnOX+OMB) in SM.

在用重金属有效性形态之和(交换态+碳酸盐结合态+铁锰氧化态+有机结合态，EXCH+CAR+FeMnOX+OMB)回归青菜与黑麦草发芽指数的方程中，只有污泥堆肥中的Cu和猪粪堆肥中的Pb与青菜及黑麦草的GI线性相关。

7 Ion source: external PICI/PICI ,with exchangeable ion volumes "

采用惰性材质、可更换设计，最高使用温度300℃。

Montmorillonite is a major host mineral for the pillaring reaction because of its 2:1 sandwich-like structure and the exchangeable cations between the layers.

蒙脱石由于其典型的2∶1型层状结构和大的层间可交换阳离子容量令其在粘土柱撑实验研究中占到了主导地位。

Exchangeable sodium percentage of soil solution was selected as the sodic sless indicator according to the eltaractertsfics of the sodic soil.

根据苏打盐碱土的特殊性，采用土壤ESP作为胁迫指标因子，观察不同生育期水稻植株对Na、K的吸收、运输和分配，分析植株体内的离子响应及植物与盐碱作用关系。

Using Eriochome cyanine R staining, we found that Al accumulation on surface of root tips was positive related to the inhibition of root growth in treatments of 0 - 80μmol·L~(-1) Al for 24 h. Exchangeable Al in apoplast and symplasm of root tips of wheat was effectively desorbed by 5 mmol·L~(-1) CaCl_2 at 4℃.

铬化青R染色可以原位显示0-80μmol·L~(-1)Al处理后根尖表面Al的吸附量与根尖伸长受抑制程度具有很好的一致性。5mmol·L~(-1) CaCl_2溶液可以有效洗脱10和40μmol·L~(-1)Al处理24小时后小麦根尖质外体和共质体中可交换态Al。

The catalytic activity of the mono- and bi-nuclear complexes, and unsymetric complex 〓〓 MeNTB =tris ( N-methylbenzimidazol-2-ylmethyl amine and tetranuclear complex 〓L = N, N, N', N'-tetrakis (N-methylbenzimidazol-2-ylmethyl-1,4-diaminobutane for oxidation of hexane was examined. Thedi-iron complexes with one exchangeable monodentate ligand and unsym-metric(μ-carboxylato) diiron complex exhibit high catalytic ac-tivity, while mononuclear Fe complex are inactive.

这些单核、双核化合物、不对称化合物〓-三氨和四核化合物〓四-1，4-丁二胺催化氧化环己烷的催化活性被测试，结果表明含有可交换配体氧桥联双核Fe化合物和不对称双核Fe化合物表现很高的催化活性，而单核的Fe化合物是非催化活性的。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。