slow-release相关论文
The demand for polycarboxylate superplasticizer(PCE)applied in construction increases quickly with the development of co......
Background The aim was to develop a slow-release poly-lactic-co-glycolic acid (PLGA)-5-fluorouracil microsphere, study t......
Preparation and characterization of paclitaxel-loaded poly lactic acid-co-glycolic acid coating trac
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In view of the fact that wet-cloth facial masks are complicated in components and low in utilization efficiency of activ......
Nitrogen deposition and release pattern of slow release fertiliser made from urea-impregnated oil pa
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Preparation and characterization of paclitaxel-loaded poly lactic acid-co-glycolic acid coating trac
Background In-stent restenosis caused by airway granulation poses a challenge due to the high incidence of recurrence af......
目的观察评估bFGF-胶原蛋白缓释系统作为骨修复材料的可能性。方法 60只日本大耳白兔随机分成3组:bFGF胶原海绵组,胶原海绵组及空......
将尿素分别与膨润土、硅藻土、凹凸棒土等3种非金属矿物复合,再以乙基纤维素(EC)外包膜得到新型尿素包膜缓释肥,采用XRD、IR、SEM......
This paper focuses on the pharmacokinetics in fattening pigs as well as the change of serum resulting from the use of po......
目的 制备一种能够负载足量碱性成纤维细胞生长因子(bFGF)并且能够以理想的速度缓慢释放的载体. 方法 构建负载bFGF的缓释微球,并......
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In view of the fact that wet-cloth facial masks are complicated in components and low in utilization efficiency of activ......
本文综述了木素的吸附缓释性质,介绍了其作为载体基质材料在肥料中的应用开发研究进展情况,为解决造纸行业及普通肥料流失所带来的环......
Nitrogen deposition and release pattern of slow release fertiliser made from urea-impregnated oil pa
The fertiliser industry faces a continuing challenge to improve the efficiency of their products,particularly of nitroge......
主要介绍了缓效多营养包硫尿素实验研究及其缓效性的测定,尿素30min用水淋溶的溶出率为90%,而缓效多营养包硫尿素用水淋溶溶出90%的时间为260min。......
论述了制备缓释长效脲醛肥料的最佳条件,即脲与甲醛的反应摩尔比为1.4:1,羟甲基化反应条件为pH=8.0,温度为50℃,时间120分钟,亚甲基化反应......
介绍了肥料养分利用率低的现状,指出了肥料养分释放性能测试的作用以及发展缓释肥料是提高肥料养分利用率的一种有效措施,总结了目......
目的 研制用于肺癌治疗的带缓释化疗药栓塞装置,通过体外、体内的释放实验评价其释放特性。方法 用乙基纤维素、顺铂配成一定的比例......
主要研究了酸化剂、粘合剂、吸水剂等因素对固体二氧化氯释放速率的影响。实验结果表明,酸化剂作为释放助剂能活化固体二氧化氯,使......
[摘要] 目的 探讨丹参酮ⅡA多级靶向纳米粒的制备及其质量评价。 方法 采用乳化溶剂蒸发法制备丹参酮ⅡA多级纳米粒;测定丹参酮ⅡA......
介绍多孔淀粉的形成及应用概况。详细讨论多孔淀粉作为吸附剂的应用。以糖果用咖啡香精为被吸附物,利用气相色谱(GC)研究其吸附香精的......
以甲烷抑制和长效缓释技术为基础制备缓释抑制剂,以实现生活垃圾填埋场中产甲烷菌的抑制.通过缓释工艺优化可知,当电石于石蜡质量比例......
在前期研究确定总氮用量180kghm–2下,缓释氮肥与常规氮肥7∶3配施比例可获得机插稻高产的基础上,研究缓释氮肥配施和不同株距下机......
对PE包膜尿素的制备工艺,淋溶速度及物理机械性能进行了探讨,表明该产品可有效控制氮的释放,达到减少尿素流失,提高利用率的目的。......
在大田条件下,研究了两种缓施肥(斯格利和乐喜施)对小麦氮素初步代谢及产量的影响。结果显示.在缓释条件下,氮肥释放速率较慢,硝酸还原酶......
通过试验筛选出15%毒死蜱颗粒剂的优选配方及小试工艺。采用浸渍法工艺,分别探索天然载体和人工挤压造粒载体,制备高含量的缓释型......
分别采用腐植酸和钙镁磷肥包裹颗粒尿素的方法自制了两种缓释氮肥,并通过室内土壤培养和盆栽实验研究了其氮素释放特征和肥效.结果......
文章采用温和的方法合成可精细调控不同尺寸的介孔二氧化硅纳米微球。香精被负载在介孔二氧化硅微球中,在纳米微球表面包覆一层聚......
摘要:为研究造粒处理工艺对有机肥养分释放动态的影响,设置了颗粒有机肥与粉状有机肥不同施肥方式处理,通过测定肥料施入淹水土壤后土......
以粉煤灰、水泥、石灰、石膏为主要原料,以CaCl2、Na2SO4、Na3PO4为复合添加剂,在制备陶粒过程中加入吸附Cu2+ 后的硅藻土,采用蒸气养......
通过对稻秆纤维改性增加其吸油率和疏水性,利用工业圆盘造粒机的原理制备缓释包膜尿素,并进行大田盆栽试验。结果表明,改性后的稻......
Nitrogen is an effective material for improving the crop production. There is a big concern about rising chemical nitrog......
We investigated the feasibility of using ammonium- and potassium-loaded zeolite (NK-Z) as carriers for fertilizer and fo......
概述了肥料缓释、控释技术的研究进展,并对应用前景进行了展望....
Phase control of 2D binary hydroxides nanosheets via controlling-release strategy for enhanced oxyge
An OH^--slow-release strategy was established to controllably tune the( α-and β-) phase of nickel cobalt binary hydrox......
目的研制用于防治导尿管相关性尿路感染(CAUTI)的发生与发展的载缓释阿米卡星硅胶导尿管。方法采用复方壳聚糖为载体,制作载缓释阿米......
本文采用了先交联制备可溶胀的壳聚糖载体微球,后将模型高分子药物以被动吸附方式担载在溶胀的微球内的两步法,制备缓释高分子药物微......
介绍了颗粒肥料结块的原因机理、影响因素和传统的处理方法.简述了缓释肥料的特点、类型、加工方法以及国内外的研究发展状况.模拟......
Effect of slow-release iron fertilizer on iron-deficiency chlorosis,yield and quality of Lilium davi
Iron deficiency chlorosis ofLilium davidii var.unicolor is often the case in practice in alkaline soils of northwest reg......
In order to select the long-acting,low toxic,low-risk and multi-functional new pesticides for the control of sugarcane b......