“保水剂”的概念、定义、翻译、参考文献-科学参考

单词	保水剂
释义	保水剂 Encyclopedia 农学保水剂释 water-retaining agent保水剂一种不溶于水，具有膨胀性且吸水力强的物质。能吸收自身重量几百倍的纯水，并可缓慢释放供作物利用，且能反复吸水。施用于土壤可减少水分养分流失，调节水、肥、气、热状况，改善肥力结构，是较好的土壤改良剂。
随便看	health protection on Qinghai-Tibet Railway health psychology health qigong health related quality of life Health resource allocation method health revenue collection health risk assessment health risk assessment for site health risk assessment of EMF health risk factors appraisal health safety and environment management system health savings accounts health security system Health Service health service cost health service demand function health service informatization health serviceman health service market health service organization health service price health services research Health service statistics health service support Health service survey

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。