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- ratio of P to N 磷氮比
- The Fp is a ratio of the increase in extractable soil P to amount of P added, which represents the fixation tendency of soils. 磷肥有效性指标为描述磷肥施用后其仍能维持有效性之比率，其为反映土壤固定磷之能力。
- The limiting nutrient, P.rose , most rapidly, which caused the ratio of N:P to decrease. 30多年来湖体中形态营养元素含量有较大增长，尤其是磷增长最快，使氮磷比下降。
- Effects of the molar ratio of resorcin to n butylamine was discussed. 讨论了反应物间苯二酚与正丁胺比例对间N-丁基氨基苯酚收率和性质的影响。
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- Thirdly, the drug loading and leasing ratio of P(NIPAm-co-AAm) and PAAc/P(NIPAm-co-AAm) gels was studied. 研究了组分配比对P(NIPAm-co-AAm)和PAAc/P(NIPAm-co-AAm)凝胶的载药和释药率的影响。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- With the increasing of NIPAm content, the swelling ratio of P(NIPAm-co-AAm) increased and that of PAAc/P(NIPAm-co-AAm) decreased. P(NIPAm-co-AAm)凝胶具有热缩温敏性。 PNIPAm凝胶的相转变温度为35℃。
- The Brindle hardness number (HB, formerly BHN) is defined as the ratio of the load P to the curved surface area of the indentation. 布氏硬度值（HB,之前写作BHN）按照加载物在凹口的曲面区域的比值来定义。
- With the mole ratio of p - toluic acid and uren to be 1: 1 .6 and sectionalization heated - shielded,the product yield is 75.6% . 当对甲苯甲酸与尿素的摩尔比为1：1．6，采用分段保温的加热方式，产品收率达75．6%25。
- A city of southern Brazil west of P魊to Alegre. It is a rail junction and processing center. Population,151, 156. 圣马利亚巴西南部一城市，位于波多黎各以西。它是一个铁路枢纽城市和加工中心。人口151，156
- The ratio of men to women was two to one. 男女的比例是二比一。
- A city of southeast Brazil on a lagoon south-southwest of P魊to Alegre.It is a major producer of dried beef. 佩洛塔斯巴西东南部一城市，位于阿雷格里港西南偏南的一个礁湖上。
- With the increasing of NIPAm content, the salicylic acid loading ratio of P(NIPAm-co-AAm) andPAAc/P(NIPAm-co-AAm) inceased, and releasing ratio deceased. 随NIPAm含量的增大,P(NIPAm-co-AAm)凝胶对水杨酸钠的载药率增大,释药率增大;
- The ratios of 1 to 5 and 20 to 100 are the same. 1与5之比和20与100之比相同。
- A city of southeast Brazil on a lagoon south-southwest of P魊to Alegre. It is a major producer of dried beef. Population,196, 919. 佩洛塔斯巴西东南部一城市，位于阿雷格里港西南偏南的一个礁湖上。是牛肉干的主要产地。人口196，919
- Adjoin two new vertices X and Y to N. 在N中添加两个新顶点X和Y。
- With the increasing of NIPAm content, the sodium salicylate loading and leasing ratio of P(NIPAm-co-AAm) gels increased, while those of PAAc/P(NIPAm-co-AAm) decreased. PAAc/P(NIPAm-co-AAm)凝胶对水杨酸钠的载药率减小,释药率减小。
- The improved conditions were: mol ratio of p - toluic acid to urea was 1:16, employing a sectional heating and temperature maintenance technique.The yield was 75. 6% . 当对甲苯甲酸与尿素的摩尔比为1:1.;6;采用分段保温的加热方式;产品收率达75
