Studies were made of variation of pH, P, K, organic matter, and moisture in soil samples from different sites of north Shanxi.
对取自山西省北部不同地点、不同层次的土样的p H值、磷、钾、有机质、水含量的变化进行了研究。
Soil magnetism of the plough layer is in relatively good correlation with organic carbon and P but shows a rather poor correlation with N and K.
耕作层的土壤磁化率与有机碳、磷含量具有较好的相关性,而与氮、钾含量相关性较差。
Thesequence of leaching loss from forest floor was K>organic C>total N>total P.
枯枝落叶层的养分淋失量以全K最大,其次为有机质、全N、全P。
Rhizo-box and field cultivation methods were used to study the delpletion and accumulation of organic P in maize rhizosphere on blackland and chernozem.
利用根盒培养和田间栽培方法,研究了黑土和黑钙土玉米根际有机磷的亏缺和积累的状况。
The sustainability index indicated that, the sustainability of soil N was much more dependent on chemical fertilizer input, while P and K were relied on organic fertilizer.
之间;通过可持续性指数的分析得出,土壤N素养分的可持续性对化肥的依赖性较大,而P、K养分的可持续性则对有机肥的依赖性更高。
The reasonable sampling numbers for soil organic matter, total N and total P were 24,34 and 10 respectively.
取样间距对合理取样数目具有一定的影响,合理取样数目分别为:有机质(24)、全氮(34)、全磷(10)。
The spatial variability of organic matter, available N, and available K was mainly caused by structural factors and that of available P was primarily caused by random factors.
有机质、水解氮和速效钾的空间变异主要是由结构性因素引起的,速效磷的空间变异是由随机因素引起的。
A dense and uniform coating contained Ni and P was obtained. The electroplated fibre was then sintered in the air to remove the organic template.
将复合纤维先在空气中进行氧化烧结去除晴纶基体,发现烧结温度对去除有机基体得到中空镍纤维有较大影响。
Effect of interaction between organic acid and P on the growth and the P and Zn contents of alfalfa Medicago sativa l.
采用田间试验方法,研究了在锌同一施用量条件下,有机酸-磷配合施用对紫花苜蓿生长及对磷锌元素吸收的影响。
In the continual observation, size-fractionated dissolved organic N and P had similar trend with their inorganic counterparts.
在连续观测中,各形态溶解有机氮、磷的变动趋势与无机态较为接近。
Rubidium acid phthalate (RAP) is an ionic organic polar crys-tal. In this paper, the experimental studies of its dielectric property, DCconductivity, P-E curve and transmission are reported.
邻苯二甲酸氢铷(RAP)是一种有机极性离。产型晶体。本文通过实验研究了它在非极性轴方向的介电、DC电导、P -e曲线、光透过率等有关性能。
With p-toluene sulfonic acid used as catalyst and chlorobenzene as organic solvent, the reaction kinetics between phenol and acetal have been studied at room temperature.
本文研究了以对甲苯磺酸为催化剂,氯苯为溶剂,室温附近的条件下,苯酚及对叔丁基酚与甲缩醛反应的动力学。
P adsorption capacity of the soil is positively correlated with its oxalate-extractable iron and aluminum and organic matter contents and negatively correlated with P adsorption saturation degree.
土壤的吸磷能力与土壤活性铁铝和有机质含量呈正相关,与磷吸持饱和度呈负相关。
Sewage Sludge on the Contents of Organic Matter, Total n, Total P, and Total K in Calcareous Immature Soil and Calcareous Mellow Soil.
通过盆栽试验研究了不同用量污泥对石灰性生土和熟土有机质和全氮、全磷、全钾含量的影响。
There is positive correlation between the phosphatase activity and soil organic matter, total P and available P.
磷酸酶的活性与有机质、全P和速效P都呈正相关,但与有机质的相关性不显著;
The feasible mass fraction of organic activation agent is 3% for hard-soluble P but 14% for water-P.
有机活化剂的用量,用于难溶性磷促释时其质量分数为3%,用于水溶性磷控释时其质量分数约为14%。
The Org-P has impacted organic load and influences lake eutrophication.
有机磷对水体有机负荷影响较大,并影响水体富营养化程度。
The P amount in animal manure in 2002 was studied based on the calculating method in the book "Records of Nutrients in Organic Fertilizer in China".
参照中国有机肥料养分志计算粪尿资源量的方法,研究了2002年我国畜禽粪尿磷素养分资源的状况及其分布。
Results showed clearly that p-xylene had good biocompatibility as organic solvent in the two-phase system, its relative amount was 15%.
研究表明,二甲苯作为两相中的有机溶剂具有较好的生物相容性,加入量在总体积分数的15%;
The results showed that the higher P-decomposing capability was mainly for the increased production of organic acid.
实验证明该菌株分解无机磷能力的提高主要是由于有机酸分泌量的增加。
The performance of the three catalysts was studied in the catalytic combustion of volatile organic compounds (benzene, toluene and p-xylene) via the Gas Chromatogram analysis.
以气相色谱为检测手段,用常压连续催化燃烧装置考察了这三种催化剂对甲苯、苯、二甲苯的催化燃烧性能。
Mixing applying chemical fertilizer and organic fertilizer could obviously increase utilization efficiency of P fertilizer.
有机肥与化学肥料配合施用明显提高磷肥的利用率。
Organic-inorganic granular fertilizer made of chicken manure powder plus N, P, K chemical fertilizers and microelements B, Zn, Mn, et al.
利用鸡粪为主体原料配以N、P、K化学肥料和硼、锌、锰等微量元素制成便于贮藏、运输和使用的有机-无机颗粒肥。
The optimized immersion gold plating bath contains an organic additive which can slow down initiatory deposition rate, result in a slow dissolution of Ni-P substrate.
此工艺含有能够减缓镀金初始时沉积速率,又能降低对镍层腐蚀的添加剂。
The optimized immersion gold plating bath contains an organic additive which can slow down initiatory deposition rate, result in a slow dissolution of Ni-P substrate.
此工艺含有能够减缓镀金初始时沉积速率,又能降低对镍层腐蚀的添加剂。
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