pesa

The mechanism of corrosion-scale inhibition was analyzed in structure of PESA ;

从聚环氧琥珀酸结构分析了在阻垢与缓蚀方面的机理；

The results show that the PESA has better scale inhibition performance and thermal stability , suitable in the high degree of hardness , high pH value and high temperature water system , the performance of agent has better durability .

结果表明，聚环氧琥珀酸具有良好的阻垢性能及热稳定性，适用于高硬度、高碱度及高温水系统，且其药效具有持久性。

Evaluation of the scale inhibition effect of PESA on RO system

聚环氧琥珀酸在反渗透系统中阻垢效果的评价

Electrostatic water treatment can significantly increase the scale inhibition performance of PESA .

静电水处理能显著提高聚环氧琥珀酸的阻垢性能。

PESA also has certain corrosion inhibition performance , and good synergistic effect with other corrosion and scale inhibitors .

PESA也有一定的缓蚀性能，可以和其他的药剂复配生成低磷或无磷的缓蚀剂。

Methods : We examined 385 azoospermia patients using the techniques of PESA and TESE .

方法：应用经皮附睾精子抽吸术（PESA）和睾丸精子获取术（TESE）两种方法对385例无精子症患者进行穿刺检查。

Comparison the clinical outcomes with ICSI between fresh and frozen-thawed sperm obtained by PESA

新鲜附睾精子与冷冻复苏后的附睾精子临床结局比较

Research on scale inhibition property of combinations of terpolymer and PESA for cycle-cooling water ;

对新型水处理剂聚天冬氨酸的合成、热稳定性及阻垢性能进行了研究。

The results showed that PESA had high performance of scale inhibition on both dispersion and lattice distortion of CaCO_3 .

结果表明：PESA具有优良的阻垢性能，对CaCO3垢既具有较强的分散作用又具有明显的晶格畸变能力。

Corrosion and scale inhibitions of PESA are evaluated by rotary coupon test and aeration method , respectively .

通过鼓泡法和旋转挂片失重法对其阻垢性能和缓蚀性能进行了评价。

Proton elastic scattering analysis ( PESA ) method was employed to measure H concentrations of aerosol samples on nuclear track filter .

利用单个标准样品比较法质子弹性散射分析（PESA）对一组采集在核孔膜上的气溶胶样品的氢含量进行定量分析。

Conclusions ICSI with PESA or TESE is an effective method for treatment of obstructive azoospermic patients .

结论采用附睾/睾丸精子行ICSI是治疗男性阻塞性无精子症的有效方法。

Polyepoxysuccinic acid ( PESA ) is a new kind of scale and corrosion inhibitor which does not contain phosphorus .

聚环氧琥珀酸（PESA）是一种新型的无磷有机阻垢缓蚀剂。

There were no difference of patient outcomes between PESA and TESA sperm retrieval . 2 .

结论：1.PESA以及TESA取精方式对患者的治疗效果无区别。

Pesa means money in Swahili .

Pesa在斯瓦希里语中是钱的意思。

PEPC capacities in calcium phosphate scale inhibition , zinc salt stabilization and ferric oxide dispersion are almost same with PESA .

PEPC抑制磷酸钙垢、稳定锌盐及分散氧化铁的能力与PESA差别不大。

The experimental results show : the combination of PESA , PBTCA and Zn2 + has very good synergistic effect on corrosion inhibition on carbon steel .

研究表明，聚环氧琥珀酸、PBTCA、锌盐在自来水中对碳钢具有良好的缓蚀协同效应。

The experimental results show that PESA has excellent scale inhibition on calcium carbonate and calcium phosphate , stability on zinc salt and diffusion on ferric oxide .

聚环氧琥珀酸钠（PESA）对碳酸钙、磷酸钙具有阻垢分散性能，对锌盐的稳定和氧化铁的分散具有良好效果。

A phosphorus-free and nitrogen-free green scale inhibitor polyepoxysuccinic acid ( PESA ) was synthesized from maleic anhydride in one step .

以马来酸酐为原料一步法合成无磷、非氮的绿色阻垢剂聚环氧琥珀酸。

Molecular formula of PESA is a non-nitrogen non-phosphate chelating structure , and breakthrough progress is made in performance of inhibiting scale and biodegradability .

PESA分子式是一种无磷、非氮的螯合结构，在阻垢性能和生物降解性方面都取得了突破进展。

At present polymeric condition , the capacity of PECS has improved to some extent in zinc salt precipitation inhibition and ferric oxide dispersion compare with PESA .

在目前共聚条件下，PECS抑制锌盐沉积、分散氧化铁的能力较PESA均有不同程度的改善。

Especially , the PESA - ICSI provides reproductive insurance for male sterilization operation of vas deferens ( ligation or occulsion ) .

初步研究表明：ICSI或PESA+ICSI技术是治疗男性因素不育的有效方法，尤其PESA+ICSI技术为男性输精管绝育（结扎、粘堵）受术者提供生殖保险。

Until 2010 Mr Joseph ran Safaricom , the Kenyan company that launched M-PESA , so-called because PESA means money in Swahili .

2010年之前，约瑟夫一直负责肯尼亚移动运营商safaricom的运营，正是该公司推出了m-pesa（pesa在斯瓦西里语里是钱的意思）。

Objective : To evaluate percutaneous epididymal sperm aspiration ( PESA ) and testicular sperm extraction ( TESE ) in the diagnosis and treatment of azoospermia .

目的：研究附睾和睾丸精子抽吸术对无精子症患者的诊断和治疗价值。

Polyepoxysuccinic acid ( PESA ) has been used as a new non-phosphorus , non-nitrogenous , environmental-friendly reagent for water treating because of its excellent performance .

聚环氧琥珀酸盐是目前公认的一种具有无磷、非氮结构、生物降解性好绿色环保水处理剂，已成为国内外研究的热点。

Objective : To analyze the treatment outcomes of intracytoplasmic sperm injection ( ICSI ) in sperm obtained from percutaneous epididymal sperm aspiration ( PESA ) or ejaculation retrospectively .

前言：目的：回顾性分析经皮附睾精子抽吸术（PESA）获得的精子和射出的精子行卵浆内单精子注射（ICSI）治疗后的结局。

The effects of PESA on CaCO_3 scale diameter and scale shape were investigated by size distribution measurement and SEM respectively . The dynamics of scaling process was studied , and the mechanism of scale inhibition was discussed .

分别采用粒径分布仪和电子显微镜考察了PESA对CaCO3垢粒径及其垢形的影响，研究了CaCO3成垢过程的动力学，探讨了PESA的阻垢机理。

Objective : Retrospective study of the results of ICSI ( intracytoplasmic sperm insemination ) with frozen sperm obtained by PESA ( percutaneous epididymal sperm aspiration ) was performed in 27 patients .

目的：回顾性分析27例无精子症患者经皮附睾穿刺取精术（PESA）所获精子冷冻复苏后行卵细胞胞质内单精子注射（ICSI）治疗后的效果及妊娠结局。

Maleic anhydride as raw material , sodium tungstate as catalyst , hydrogen peroxide as oxidation agent , sodium hydroxide as initiator , are applied in the synthesis of PESA though solution polymerizing .

以马来酸酐为原料，钨酸钠为催化剂，双氧水为氧化剂，氢氧化钠为引发剂，采用溶液聚合方法，合成聚环氧琥珀酸钠。

Intracytoplasmic sperm injection ( ICSI ) with sperm collected by percutaneous epididymal sperm aspiration ( PESA ) technique is nowadays the main treatment for obstructive azoospermia ( OAS ) .

目前经皮附睾精子抽吸术（PESA）与卵细胞胞质内单精子注射（ICSI）联合应用是治疗阻塞性无精子症的主要措施。