Olsen相关论文
Mary-Kate Olsen and Ashley Fuller Olsen (born June 13, 1986 in Sherman Oaks, California) are American actresses. Both ha......
1997年国际电波传播讨论会于8月13日～15日在青岛召开。这次会议是由国际无线电科学联盟发起,由中国电子学会主办、我所承办的国际......
原北美极限集邮研究会会长、美国极限集邮家丹尼尔·沃森(Daniel Olsen)驾鹤西去已有几年时间了,但每每捧读他的来信(图1)、把玩他......
IntrodnotionItisveryimportanttostudytheruptureprocessofewthquakefaultsforeathquakeengineering,earthquakeforecastingandre......
HeavyOil-aMajorEnergySourceforthe21stCentury“isthethemeoftheSeventhUNITAR(UnitedNationsInstituteforTrainingandResearch)......
Inorganic Phosphorus Fractions and Phosphorus Availability in a Calcareous Soil Receiving 21-Year Su
A long-term (21-year) field experiment was performed to study the responses of soil inorganic P fractions and P availabi......
Phosphorus Status and Risk of Phosphate Leaching Loss From Vegetable Soils of Different Planting Yea
The aim of the study was to develop an index to assess the environmental risk of P loss potential in vegetable soils wit......
83个早稻氮磷钾肥效试验在土壤碱解氮、Olsen-P和速效钾试验点各剔除10.8%、6.0%和4.8%基础上,可分别建立土测值与稻谷相对产量的......
采用室内恒温培养试验法对施入不同量磷(P)肥的石灰性潮土的各种理化特性进行为期180d的模拟研究,结果表明,磷肥的加入使土壤pH值......
为阐明长期施用氮磷钾化肥(NPK)以及化肥有机肥配施(NPKM)对土壤无机磷组分的影响,采用蒋柏藩-顾益初无机磷分级体系,观测了我国6......
通过对在采自浙江省金华市的12种不同性质的水稻土添加江西省吴村磷矿粉(WPR)进行淹水培养试验,研究淹水条件下影响磷矿粉溶解和有......
Water-saving irrigation methods have been increasingly used for vegetable cultivation in greenhouse or plastic film hous......
选取59个典型的土壤样品进行研究,比较了Mehlich 3-ICP法与常规方法测定土壤有效磷结果之间的差异,为其在土壤测试方面的应用提供......
A field plot experiment in a calcareous soil with wheat and maize rotation was carried out for 2 yr. The study aimed to ......
[目的]该研究旨在探讨好气培养条件下,不同磷肥施用量的红壤中,应用Olsen法和Bray-1法测定的土壤有效磷含量及应用CaCl2法测定的土......
自连续12年以相同试验方案、不同灌溉方式进行灌溉试验的保护地采集土壤样品,对不同灌溉处理土壤磷素淋失风险进行评价,并对影响土......
综述了稻田土壤磷素的累积、固定转化、分级、下移及流失潜能,讨论了稻田施磷的安全性及施磷量,并提出了合理施用磷肥的一些建议。......
测定了陕西关中地区不同栽培年限日光温室土壤不同形态磷素的含量,以评价土壤磷素累积特性。结果表明:与农田土壤相比,日光温室栽......
通过对黄土旱塬地区长期(26a)定位施肥条件下的不同施肥处理的土壤磷素及其吸持参数的测定,以及通过室内模拟试验对土壤磷素淋失突......
试验研究了常温下活化剂对黑土磷形态及有效性的影响,结果显示:无外在磷源时,有效磷、Ca8-P和Al-P含量均随培养时间延长而增大,Ca2......
基于太湖地区8 a的长期试验,应用常规化学分析法和数学统计方法,研究了不同施肥方式即单施化肥(NPK)、化肥配施稻麦全量秸秆还田(N......
Influence of bean rhizosphere on the biological properties and phosphorus fractionation in the calca
The biological and chemical conditions of the rhizosphere are known to considerably differ from those of the bulk soil, ......
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热等离子体的应用在节约能源和能源开发方面起着愈来愈重要的作用。本文从理论和实验方面研究了横向磁场作用下自由电弧的温度场和......
Phosphorus (P) applied from fertilizer and manure is important in increasing crop yield and soil fertility; however, exc......
Relationships Between Agronomic and Environmental Soil Test Phosphorus in Three Typical Cultivated S
A study was conducted to determine the relationships between agronomic soil test P and environmental soil test P in thre......
An investigation was conducted to study the effect of humic substance (HS) on the phosphorus (P) solubility in acidic so......
An incubation experiment was carried out on plateau and slope fields to investigate the effect of plant age and rock pho......
了解土壤磷素积累特征对调控磷肥使用、降低农田磷素的环境风险和保障生态环境安全具有重要意义。以黄土高原沟壑区的典型小流域为......
Soil phosphorus dynamic, balance and critical P values in longterm fertilization experiment in Taihu
Phosphorus(P) is an important macronutrient for plant but can also cause potential environmental risk. In this paper, we......
Based on a long-term location test lasting for 20 years,the accumulation and migration of phosphorus in purple soil was ......
Long-term phosphorus accumulation and agronomic and environmtal critical phosphorus levels in Haplic
Sufficient soil phosphorus(P) content is essential for achieving optimal crop yields,but accumulation of P in the soil d......
通过对不同宽度及其上种豆与否的稻田田埂内外侧0~60 cm剖面速效磷浓度及贮量的变化情况监测,分析了田埂宽度与种豆对稻田速效磷可......
为了查明Olsen法(碳酸氢钠提取态磷)是否适用于酸性土壤有效磷的测定,土壤P吸附参数及它们之间的关系,利用同质地不同磷含量酸性土......
Modeling and Interpreting CHAMP Magnetic Anomaly Field over China Continent Using Spherical Cap Harm
Based on the CHAMP Magsat data set, spherical cap harmonic analysis was used to model the magnetic fields over China con......
玛莉凯特和艾希莉·欧森(Mary-Kate and Ashley Olsen)是风靡西方的一对可爱双胞胎;二人从九个月大就开始演戏(Full house 中译:......
为了解生物炭施入不同类型土壤后对Olsen-P和CaCl2-P的影响,通过室内土壤培养试验,研究施用2%(20 t hm-2)、4%(40 t hm-2)、8%(80 ......
土壤速效磷提取方法的研究已长达一个世纪。目前提取方法种类繁多,研究成果大量累积.如不加以系统分类并分别说明它们的适用性,将......
土壤磷的分级分析为选用速效磷的提取方法提供了基础,但分级分析的结果仍然只具有各级磷全含量的观念,而并没有速效含量的观念。要......
将采自世界各地的未耕作、未施肥的120个表土样品(A_1层)分为石灰性土壤,轻度风化土壤(主要是软土),和高度风化土壤(主要是氧化土......
目前从土壤中提取全磷的方法,既麻烦,又费时,本文提出了一种快速、准确的提取全磷方法。该方法是在土样中依次加入浓H_2SO_4、H_2O......
Isotopic exchangeability of phosphorus in four Chinese soils with and without P application was studied by 32P and 33P ......
Fractions and Bioavailability of Soil Inorganic Phosphorus in the Loess Plateau of China under Diffe
Plants play an important role in soil phosphorus nutrition.However,the effect of plants on phosphorus nutrition in soils......
不知从何时起,Hip Hop看起来不再那么酷,这对根植于Hip Hop文化的都市品牌又会产生怎样的影响呢?今年六月,《Touch》在英国停刊。......
<正> 一、电子乐器的发展过程 1955年世界上第一台合成器在美国无线电公司的实验室,由Harry Olsen和Herbort Beiar宣告研制成功,成......
