Syscat.tabconst Contains a row for each unique (u), primary key (p), foreign key (f), or table check (k) constraint db2 select constname, tabname, type from syscat.tabconst.
tabconst为每个唯一性(U)、主键(p)、外键(f)或者表检查(K)约束保持一个行db2select constname,tabname,typefrom syscat . tabconst。
With proposed reasonable and efficient algorithm, all intersted P-K point in a fixed state space range can be obtained.
以所建议的算法，可以有效地在规定相空间范围内找到各种P—K解；
By using "3414" fertilizer experiment method, the contents of n, p, K and yield of onion in Gaoqiao area were comprehensively analyzed.
试验采用二次回归“3414”完全方案设计，对高桥地区圆葱植株的氮、磷、钾含量及产量进行了分析。
Authors measured serum Ca, p, Mg, K, Na, Cl, nonprotein nitrogen and mucin of 8 serum in urolithiasis sheep and health sheep separately.
作者取患尿石病和健康绵羊血清各8份，分别测定其钙、磷、镁、钾、钠、氯、非蛋白氮和粘蛋白等成分。
Higher efficiency of nutrient acquisition of root in heterogeneous nutrient environment mainly attributed to large absorption of n, p, K in rich nutrient patch.
异质养分环境中的根系具有较高的养分吸收效率主要缘由在富养斑块中对N、P、K大量的吸收。
Comparative analysis of the n, p, K in the leaves, roots and shoots of the pot-planted walnuts showed that.
通过对盆栽核桃幼树叶片、根系和枝条的N、P、K含量和叶片中叶绿素含量的比较分析。
There were significant negative correlations between nitrate content and total n, protein n, total p, protein p, protein K of lettuce leaf.
莴笋叶片硝酸盐含量与全氮、蛋白氮、全磷、蛋白磷和蛋白钾含量呈极显著负相关。
Among the three fertilizer of n, p, K, the potash fertilizer is mainly depended on import in our country.
我国农业生产所需的N,p,K三大肥料中，钾肥最为紧缺，主要依靠进口。
The Fuji, Ralls and Golden Delicious of apple varieties, 120 samples were collected from 20 orchards in Yanshan mountain area and the leaf n, p, K contents were analyzed.
采集了燕山山区20个苹果园富士、国光和金冠等品种的120份叶样，对叶片中氮、磷和钾含量进行了分析。
Field experiment was carried out in Guanzhong area, Shaaxi province using Capsicum as indicator, to study Capsicum to fertilizer effect reaction of n, p, K fertilizer.
在陕西省关中土娄土区布置线辣椒缺素大田试验，研究线辣椒对氮、磷、钾肥的肥效反应。
Presently, variety improvement, increment in P, K and microelement and selection on suitable cutting period are main methods to improve yield and quality.
提高产量和品质目前人们主要是从品种改良和增施磷、钾及微量元素、选择适当刈割期等方面入手。
Silicate bacterium has the strong ability of dissolving K, P and the ability of fixing n.
硅酸盐细菌有很强的解钾能力，同时还有解磷和固氮能力。
The dregs contain large quantities of N, P, K, Ca, Mg and trace elements, thus can provide abundant nutrition for crops.
发酵液废弃菌渣中含有大量的氮、磷、钾、钙、镁、硫及多种微量元素，可谓作物提供丰富营养。
The DM weight and the number of roots are increased by N. P. and K.
氮磷钾对玉米根系的效应主要表现在促根的条数和干物质的增加。
A field experiment was conducted to analyse the dynamics of biomass yield and n, p, K absorption by maize under different planting systems.
采用田间小区试验方法研究了不同种植方式下玉米产量，干物质积累动态和养分吸收动态变化特点。
The growth and development, yield and quality, photosynthetic assimilation, and structure of Chieh-qua were affected by extraneous factors such as n, p, K nutrition and plant growth regulator.
营养和外源生长调节剂等外界环境因素对节瓜的生长发育、产量品质、光合同化及其解剖结构均有一定的影响。
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。
P fertilization increased N, P and K accumulation in tree biomass and nutrient use efficiency in wood and biomass production.
施P肥还增加了树木N、P和K的养分积累量，提高了上述养分的利用效率。
Effect of sowing time on n, P, K and the nutrient accumulation of sweet corn seed.
不同播期对甜玉米籽粒n,p,K及可溶性糖的积累的影响研究。
We researched the effects of N, P and K on quality of sweet Pepper by means of the "311-A" optimization compound design.
以彩色甜椒为试验材料，采用“311-A”最优混合设计，研究氮磷钾对彩色甜椒品质的效应。
The R/T of radish was closely associated with N, P, K concentration.
氮、磷、钾浓度与萝卜的根冠比大小关系密切。
Only the balanced supply of N, P and K could make the grape yield, quality and benefit best.
氮磷钾平衡施用才能使葡萄产量最高、品质最佳、效益较好；
A solution culture experiment was conducted to study the dynamics of dry matter accumulation and n, p, K absorption by flue-cured tobacco under different boron concentration.
采用溶液培养方法，研究了不同硼浓度下烤烟干物质积累动态和养分吸收动态变化特点。
The results indicated that: the soil moisture remarkably influenced N, P, K nutrition uptake.
结果表明：土壤水分对旱稻吸收N、P、K矿质元素有明显影响。
The relationship between incidence of fusarium wilt in chilly and the amount and preparation of N. P. K fertilizer was studied on the bases of soil chemical analysis.
在土壤化学分析的基础上研究分析用不同n、P、K配方施肥与辣椒枯萎病发生的关系。
This compound manure could fairly raise the output of paddy in the trail, and as good as N, P, K fertilizers used.
结果表明：该有机复合肥对水稻的增产效果显著，肥效与N、P、K三元复合肥相当，值得进一步研究开发。
The content of n, P, K, Ca and Mg in root decreased as root diameter increased.
根中氮、磷、钾、钙、镁含量随根径的增大而减少。
The content of n, P, K, Ca and Mg in root decreased as root diameter increased.
根中氮、磷、钾、钙、镁含量随根径的增大而减少。
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