This paper gives the definition of P-hereditary ring and discusses the necessary and sufficient condition about the submodule closure of cyclic module.
本文给出p—遗传环的定义及循环模的子模闭的充要条件。
In the first chapter, we discuss the fully graded algebras over discrete valuation ring with an algebraically closed residue field of characteristic p.
第一章中，我们研究了剩余域是代数闭域的离散赋值环上的完全分次代数；
They can generate a P-rough integral chain, P-rough integral ring and P-rough integral ring chain.
并且在不同的迁移族不断作用下生成P-粗积分链、P-粗积分环及P-粗积分环链。
There was obvious difference between the patients with so-called lone AF and the normal group only in the tissue Doppler parameters of mitral ring(P<0.05).
孤立 性 房颤组只有二尖瓣环组织多普勒运动曲线上的参数与对照组差异有统计学意义（P<0.05）。
Results The marginal seating of the casting without ring investment had significant difference compared with the castings with ring investment ( P< 0.05).
结果无圈包埋组铸件的边缘适合性与有圈包埋组相比有显著性差异（P< 0 .0 5 ）。
Results There were no statistically significant differences between age groups except for the foveola, superior outer ring, inferior outer ring and total macular volume (P<0.05);
结果不同年龄组间除黄斑中心小凹、上、下方外环区、总黄斑体积外（P<0.05），其余部位差异均无显著性；
Since the material of atmospheric condenser, barometric discharge pipe, pump casing of follow-up water ring vacuum pump, impeller, and moisture tank was upgraded and anticorrosive p...
对重点腐蚀部位的大气冷凝器、大气腿、后续水环真空泵泵壳、叶轮、水封罐等升级材料、泵壳内涂防腐涂料后，已运行两年，仍然完好。
RESULTS Bacteriostatic ring of two antibacterial agents using together was larger than bacteriostatic ring of using gentamycin alone (P< 0.01).
结果：两种抗生素联用后的抑菌圈比庆大霉素单用的抑菌圈大（P< 0 .0 1 ）。
The closing bell rings at 4 p. m. Many famous people at different times have obtained the honour to ring it.
收盘的钟声在下午四点响起，许多不同时期的名人都得到过敲钟的荣誉。
The 5 year survival rate was 55 3% in patients with signet ring cell carcinoma after curative operation, which was higher than that in other types of gastric cancer (41 8%, P< 0 05).
在腹膜及肝转移复发等方面与其他类型胃癌无差异。 行根治性手术后5年生存率为5 5 3% ，高于其他组织学类型胃癌（41 8% ） （P<0 0 5 ）。
The 5 year survival rate was 55 3% in patients with signet ring cell carcinoma after curative operation, which was higher than that in other types of gastric cancer (41 8%, P< 0 05).
在腹膜及肝转移复发等方面与其他类型胃癌无差异。 行根治性手术后5年生存率为5 5 3% ，高于其他组织学类型胃癌（41 8% ） （P<0 0 5 ）。
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