The friction property of high, middle and low P alloying cast iron was compared with that of ordinary cast iron.

The Croft Value fund seeks out high-quality companies with low P/ Es that can be held for the long term.

克劳福特基金选择的股票都是可以长期持有的、市盈率较低的优质股。

A Study on Vacuum Refining Ultra-Low S and Low P Medium-Carbon Steel with CaO-Based Premelting Slag

石灰基预熔渣真空精炼超低硫低磷中碳钢的试验研究

But they reached the maximum at moderate water stress, under the low P treatment.

而在低磷处理下，在中度水分胁迫时达到最大值。

Compared to low P efficient genotype, high P efficient genotype was lower in phloem sugar translocation rate and R/ S ratio.

磷高效小麦基因型的韧皮部蔗糖运输速率和根冠比低于磷低效小麦基因型；

Results indicated that plant growth of wheat responded little to AM at low P application, while it was inhibited at high P application.

试验结果表明小麦在低磷条件下对菌根的依赖性很低，而在高磷条件下生长受到菌根侵染的抑制；

Phosphorous ( P) deficiency is a major restraint factor for crop production and plants have developed several mechanisms to adapt to low P stress.

磷资源缺乏和磷利用效率低是影响作物产量的一个重要因素，植物存在几种适应低磷胁迫的机制。

The experimental results indicated that ectomycorrhizal fungal inoculation could only increase tree growth in low P treatments instead of high P treatments.

试验表现出接种外生菌根菌只能在低P情况下促进树木生长，不能在高P情况下促进树木生长的基本趋势。

Phosphate uptake kinetics showed that Low P treatment significantly increased the Imax, but significantly decreased the Km for all of five maize genotypes.

动力学试验表明，低磷胁迫显著增加5个基因型的Imax，却显著降低Km。

Experiments on Removal of Low P Content Wastewater by Coagulation Method

混凝沉淀法处理低含磷废水实验研究

Properties and Application of VAE Polymer Cement Mortar with Low P/ C Ratio

低聚灰比VAE聚合物水泥砂浆的性能及应用

Growth and characterization of low P dopant concentrations YP_xV_ ( 1-x) O_4 single crystal

低掺磷YP xV（1-x）O4单晶的生长与性能

Manganese concentrates with low P/ Mn ratio and high grade can be obtained. The effect of dephosphorization and beneficiation is significant.

该工艺试验得到P/Mn比值较小，锰品位较高的锰精矿，脱磷富锰效果显著。

The yield of rape in high P lever soils was higher than that in low P lever soils.

高磷土壤油菜生物量明显高于低磷土壤。

Low P treatment also significantly decreased the respiration rate and simultaneity increased the ratio of alternative pathway respiration.

低P处理还显著降低了植株的呼吸作用并增加了交替途径呼吸占总呼吸的比例。

The low P stress could recover.

本研究中的低磷胁迫是可恢复的，且荧光参数对恢复的响应更为迅速。

Acid Phosphatase Activities of Intact Roots and Ground Root Tissues of Maize Grown in High P or Low P Nutrient Solution

缺磷条件下玉米根系酸性磷酸酶活性的变化

Low P affected root P uptake.

另外，低磷胁迫严重影响番茄根部对磷的吸收。

The fixation rate of phosphorus fertilizer in high P lever soil was distinctly lower than that in low P lever soil.

高磷土壤上，磷肥固定率显著低于低磷土壤。

Therefore, than to the present, remain at a relatively low range, elevated in the industry.

所以, 自开业到现在, 始终保持在较低范围, 在业界传为佳话.

This mechanism has a low noise, occupies less space with high productivity.

该机构噪音小, 占用空间少,生产率高.