Essay of Relations Among the Per mu Average Cotton Output, Climate and Basic Technical Measures Taken for High and Stable Yield Cultivation In Weinan County for Years Running 试谈渭南县历年棉花平均亩产与气候的关系以及高产稳产的基本栽培措施
The basic method for hydrogeological research and flowing yield forecast is introduced according to Qingyunshan tunnel. 以青云山隧道为例,介绍了高山隧道水文地质调查及涌水量预测的基本方法。
Tertiary amines, although basic, fail to yield amides, presumably because they cannot lose a proton, to stabilize the product after attaching themselves to carbon or to sulfur. 叔胺虽然呈碱性,但不能产生酰胺,这大概是因为当它们连在碳或硫上之后,无法失去一个质子以稳定产物的缘故。
The inner yield before income tax is 13.82%, which is higher the basic requirement of yield 12%. 工程总投资估算值13880万元,项目的内部收益率所得税前为13.82%,高于基准收益率12%。
Each treatment remainder tuber weight average value basic same, but the newborn tuber yield average value difference is very big, namely the soil moisture influence is very big to newborn tuber than the remainder. 各处理残余种茎的重量均值基本相同,但是新生根茎的产量均值差异很大,表明土壤水分对盾叶薯蓣新生根茎和残存种茎的影响不同。
As a result, nitrogen phosphorous potassium were basic consistent with the relation of yield, and all assume parabola regression relation. 结果表明,氮磷钾与产量的关系基本一致,均呈抛物线回归关系。
All these results show that severe plastic deformation occurred on the grinding surface, the strain strengthening is the basic reason for the increase of the yield strength in grinding affected layer. 这些结果说明,磨削表面发生了严重的塑性形变。冷作塑性形变强化是磨削影响层的屈服强度得以提高的根本原因。
The basic form of yield criterion and its research situation for sintered powder materials is briefly introduced. Several typical yield criterions for sintered powder materials are analyzed, the physical property of yield is explained from point of view of critical elastic deformation energy ratio. 介绍了粉末烧结材料屈服条件研究现状和粉末烧结材料屈服条件基本形式,分析了几种典型的粉末烧结材料屈服条件,从临界弹性变形比能的角度说明了粉末烧结材料屈服的物理意义。
The first chapter introduces the basic theory of the yield, risk, the model of asset distribution and the VaR. 第一章介绍了收益与风险、资产组合模型、VaR方法等相关研究的基础理论;
With the background of market-oriented interest rate, housing mortgage loans have to face enormous interest rate risks in forms of repricing, optionality, basic risk, and yield curve. 在利率即将实现完全市场化的背景下,住房抵押贷款所面对的利率风险主要表现在重新定价风险、内含期权风险、基准风险、收益率曲线风险等方面。
The grain-straw ratio was closely related to the yield, and high grain-straw ratio was the basic trait of sustainable high yield. 谷草比大小与产量关系极为密切,因此谷草比高是持续高产田的最基本特性。
The corresponding carboxylic acid ( 7) was obtained by the hydrolysis of compound 6 under basic conditions in a yield of 96%. 在碱性条件下,水解化合物6以96%的收率得到相应的羧酸(7),用手性胺R-(α)-甲基苯甲胺拆分化合物7产生化合物(8);
And for three summer corn varieties, Xiyu 3 had higher basic yield and better response to nitrogen fertilizer. 3个夏玉米品种(系)中,西玉3号不仅具有较高的基础产量,而且对氮肥的反应较好。
The commercial banks face four kinds of main interest: Fix the price risk, basic point risk, option risk, yield curve risk. 商业银行所面临着四种主要的利率风险:重新定价风险、基本点风险、选择权风险、收益曲线风险。
The following paper introduces the types, basic characteristics and nominal yield stress of FRP tendon, carries out non-linear finite element analysis of pre-stressed AFRP concrete simple-supported beam by using ADINA software and through concrete practical examples, and proposes relevant suggestions for its design and application. 介绍了FRP筋的种类、基本性质及其名义屈服应力,并通过具体实例,运用ADINA软件对预应力AFRP混凝土简支梁进行了非线性有限元分析,并给出了有关的设计和应用建议。
The contribution rate of basic soil fertility to yield was 37. 9%, and the rest came from fertilizers applied. 基础地力的产量效应为37.9%,肥料的增产效应为62.1%;
The effects of different kinds of basic catalysts and reaction conditions on the yield of the two products were examined. 考察了不同碱性催化剂及反应条件对两种产物收率的影响。
The basic characters of the varieties that the yield added significantly under Cr treatment were as follows: seed setting percentage increased significantly, panicle number pot spike and sink potential increased slightly, spikelet number per panicle and 1000-grain weight decreased slightly; 从产量构成因素来看,对土壤铬处理表现为显著增产类型品种的基本特征为结实率显著提高,穗数和库容量略有提高,每穗颖花数和千粒重略有下降;
Among fertility factors of leading to yield increase in the process of producing hybrid maize seeds, the contribution of basic soil fertility to yield accounts for 40%, and contribution of fertilizer accounts for 60%. 在玉米杂交制种增产的肥力因素中,土壤基础肥力贡献占40%,肥料贡献占60%。
Top working in Actinidia deliciosa is a basic work for transforming low yield stand and realizing high quality, high yield and high benefit, as well as an effective way at present to transform low-yield stand. 猕猴桃高接换种是改造低产园,实现优质、高产、高效的重要基础工程,也是目前改造低产猕猴桃园的唯一有效途径。
Crop identification is the basic work in crop yield estimation. 作物识别是遥感作物估产的基础。
Through theoretical analysis, the differences in the basic concept between specific yield and saturation deficiency are specified; 通过对给水度与饱和差的理论分析,明确了给水度与饱和差在基本概念上的差别;
Effect of density of winter wheat basic seedling on Grain Yield in condition of chemical manipulation 化控条件下小麦基本苗密度对产量的效应
The soil with high fertility is deep and loose, resource of temperature and light is abundant, this area has the basic conditions for high yield of tea. 土层深厚、质地疏松、土壤肥力水平普遍较高,温光资源充足,具有获得茶叶高产的基本条件。
With serious basic endowment insurance fund to be squeezed occupy and divert and a single investment channel, the basic old-age insurance fund yield is low. 基本养老保险金被挤占、挪用现象严重,再加上单一的投资渠道,基本养老保险金的收益率较低。
The chemical properties of soil in two agricultural areas performance into basic level, and high yield field has greater contents of soil organic matter, total nitrogen, available phosphorus and available potassium than conventional field. 两大农区土壤化学性质表现为土壤成碱性水平,土壤有机质、全氮、速效磷、速效钾等普遍表现为高产田含量大于常规田的含量。
With the strain hardening effect being taken into account, the method is simple to be applied which only needs several basic material parameters such as yield strength, tensile strength and elongation percentage, not to measure the factual stress-strain curves. 该方法不需要测定材料的真实应力应变曲线,仅需知道材料的屈服强度、抗拉强度和延伸率等几个必要参数,简单易行,能很好地将材料的应变强化现象考虑在内。
The actual application level of efficiently hydraulic support transportation technology and equipment of is lower in our country, so the developing of the highly mechanization of assistant transportation equipment is the important content and basic guarantee of the high yield and efficiency of the mine building. 我国煤矿的高效运输液压支架技术和设备的实际应用水平还相当低,因此发展高效机械化辅助运输装备是高产高效矿井建设的重要内容与根本保证。