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Objective To evaluate levels of the circulating antisperm antibody (ASA) in women with secondary infertility. Methods Ei......
Polyurethane coated urea slow/controlled release fertilizer was prepared based on urea granules, isocyanate, polyols and......
Children conceived via assisted reproductive technologies (ART) are nowadays a substantial proportion of the population.......
Rattans are climbing spiny plants that are regarded as an important kind of commercial non-timber forest products. Ratt......
The longitudinal displacement between two reference points upon stress release was measuredthrogh using the CIRAD-forêt......
When an exchange reaction takes place between clinoptilolite and solube phosphate solutions with cation exchange between......
目的：评估短时受精联合早期补救性卵胞浆内单精子注射（ICSI）术在重度畸形精子症患者中的临床应用。方法235例重度畸形精子症患者（1%≤......
Aim: To evaluate the quantitative detection of human telomerase RNA (hTR) and human telomerase reverse transcriptase (hT......
A Field Study on Effects of Nitrogen Fertilization Modes on Nutrient Uptake,Crop Yield and Soil Biol
Rational application of nitrogen (N) fertilizers is an important measure to raise N fertilizer recovery rate and reduce ......
Various kinds of pathogenic bacteria derived from the intestinal tract of animals exist in compost material like cow dun......
Although agriculture is a source of greenhouse gas emissions,it also has carbon sequestration function. In the context o......
The dynamic properties of soil under impact loads are studied experimentally and numerically.By analyzing the microstruc......
【正】 Twelve workers were killed in an accident happened at theconstruction site of the 800 000 t/a urea project that C......
Chongqing Jianfeng Chemical Co., Ltd. (SZ: 000950) said 2009 sales rose 43.75% to RMB2.08 billion, and net profit decli......
Profile Characteristics and Potential EnvironmentalEffect of Accumulated Phosphorus in Soils of Vege
Profile characteristics of accumulated P in 10 representative soils of vegetable fields in suburban districtsrrrrrrrrrno......
Over a period of two years, field experiments were conducted on two silty loam soils grown with four solanaceous vegetab......
According to the previous literature published since 1989,statistical analysis for reported data on the heavy metals in ......
The phenological phase,plant height,tiller number,nutritional composition,yield and stem/leaf ratio of three oat (Avena ......
E164(Wandao 27)was bred from the crossMilyang 23//IR4412-164-3-6/IR4712-108-1by the pedigree method.It was admitted and......
Relationship between Protein Accumulation and Nitrogen Accumulation and Translocation in Different G
Physiological studies of soybean [Glycine max(L.)Merr.]genotypes with wide differences in seed protein concentration may......
The effect of nitrogen fertilization on leaf chlorophyll fluorescence was studied in field-grown winter wheat during gra......
Spatial Variability of Soil Cation Exchange Capacity in Hilly Tea Plantation Soils Under Different S
Studies on the spatial variability of the soil cation exchange capacity (CEC) were made to provide a theoretical basis f......
Six middle-season indica hybrid rice combinations, including five super hybrid rice combinations with the high yield abo......
Aim: To evaluate the quantitative detection of human telomerase RNA (hTR) and human telomerase reverse transcriptase (hT......
目的探讨生育力指数及T淋巴细胞亚群对子宫内膜异位症合并不孕症腹腔镜术后患者预后的影响。方法选取2013年1月—2015年9月于本院......
【目的】评价棉花养分专家系统在棉花养分管理中的应用效果,比较养分专家推荐施肥对新疆昌吉棉花产量、经济效益、养分吸收和肥料......
微生物多样性是表征土壤质量变化的敏感指标。为探讨黑土生态系统转变过程中土壤微生物多样性变化，应用变性梯度凝胶电泳（DGGE）方法对......
目的 研究耕作方式、肥力对家种丹参产量和有效成分积累总量的影响。方法：采用不同的耕作方式(轮作和重茬)、设计不同的肥力水平并......
为研究氮、磷、钾肥对早稻产量和经济效益的影响和测土配方施肥提供依据．在湖北省赤壁市利用“3414”试验设计布置了早稻氮、磷、钾......
应用测土诊断计量平衡施肥原理,制成水稻专用Ⅰ型和Ⅱ型控释BB肥.结果表明,控释BB肥具有养分释放的平衡性和缓释性,可实现水稻整个......
试验研究表明，秃杉叶内氮，钾，镁，钙含量受季节气候影响有显著差异，生长期（７月）叶内氮，磷，钾、镁含量较高，萌动期（３月）含量较低。叶内氮、钾、镁含......
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为了探明适宜的钾肥施用量与施肥时期在提高甘薯产量和品质的同时,实现钾肥的高效利用和优化管理。以优质食用型甘薯徐薯32为试验......
设9个试验处理（夏季增雨、冬季增雪、施N肥、施N肥与夏季增雨交互作用、施N肥与冬季增雪交互作用、施P肥、施P肥与夏季增雨交互作用......
【摘 要】 目的：观察中西医结合治疗男性少弱精症的效果。方法：选取男性少弱精症患者80例，将其分为观察组与对照组各40例。对照组患者......
通过对滨海围垦荒地客土培肥和引种鲜食玉米试验,着重探讨不同客土材料与基肥施肥方法对鲜食玉米主要农艺性状及产量的影响.结果表......
以盆栽尾巨桉DH32-29苗木为试验对象,研究不同肥料处理（包衣肥、硫酸肥、蒸气肥及活性肥）对其土壤和叶片C、N、P含量及其化学计量特......
利用2个K型不育系与不同K型恢复系组配测交组合，研究了不同不育系的易恢性及其遗传机理，恢复系在年份间恢复度的稳定性以及播期、播......
以迟熟中粳武育粳3号为材料，塑料软盘育秧，进行落谷密度和施肥量二因素试验，并将各处理秧苗分3期插人大田，实收产量，测定其构成。主要结......
目的:比较促生腺激素释放激素激动剂(GnRHa)长、短方案控制性超排卵在体外受精-胚胎移植(ⅣF-ET)中的疗效.方法:将2001年7月～2002年......
基因组印记是指后代仅表达亲本之一基因拷贝的现象。印记基因的发生是防止孤雌生殖发生的有效手段之一。拟南芥FIS（Fertilisation—......
[目的]为烤烟施用硫酸钾镁肥和优质栽培技术的推广提供依据。[方法]采用田间小区试验,设4种钾肥处理,研究了硫酸钾镁肥对烤烟主要......
目的：探讨保留生育功能的根治性宫颈切除术在早期宫颈癌治疗中的可行性及临床疗效。方法：对2006年4月至2011年12月,8例Ⅰa1-Ⅰb2期宫......
[目的]建立台州市花椰菜主产区的施肥模式.[方法]对台州市花椰菜主产区土壤进行检测,分析土壤营养成分,结合当地的施 肥习惯,调整......
[目的]探讨氮、磷、钾肥对晚稻产量和经济效益的影响。[方法]以金优402为供试晚稻进行肥料效应试验,分析研究氮、磷、钾肥对晚稻产......
耕作对土壤CH4 吸收有长期抑制作用并极大地降低了土壤CH4 汇的强度。施NH4+ N肥可抑制土壤CH4 氧化 ,而NO3- N肥则无此作用 ,NH......
【目的】以屯河9号加工番茄为试材,研究控失尿素、普通尿素不同配比对加工番茄产量、品质和氮肥利用率的影响。【方法】试验设8个......
报道了男性尿道粘液的采集、理化特性的鉴定及结晶形态的观察,并提出了分型标准及与生育力的关系。对52例生育、156例不育及妻子习......
本文阐述了我国常见性病(艾滋病、梅毒、淋病、非淋菌性尿道炎、尖锐湿疣、生殖器疱疹)对生育和结婚的影响,并提供了妊娠合并性病......
根据膜下滴灌棉田水肥管理的要求，在建立施肥模型和施肥方案的基础上，研发适用于大田棉花膜下滴灌的比例混合变量施肥系统，该系统可通......
