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10 kt/a anti-block industrial potassium nitrate is using magnesium nitrate and potassium chloride as raw materials,with the new production techniques of producing potassium nitrate with the newly-developed double decomposition circulating reaction method.By-product magnesium chloride hexahydrated with a small amount of potassium nitrate is called nitrogen-potassium-magnesium fertilizer.

张罡摘要: 1万t防结块工业硝酸钾的生产装置选用硝酸镁与氯化钾为原料,采用新研究开发的复分解循环反应法生产硝酸钾新工艺,副产品为六水氯化镁,六水氯化镁含少量硝酸钾,故称之为氮钾镁肥。

This text mainly introduce multiple intelligences theory, domestic and overseas research actuality, to open out that music aptitude get along with other aptitude for bringing up and developing multiconnection in hominine multiple intelligences.

本文主要介绍多元智能理论的内容及国内外研究现状,揭示出音乐智能在人的多元智能中与其它智能培养和开发的多元关系。

Chapter One generally demostrates sci-technology hortation system. This chapter tell us the meaning and feature of sci-technology hortation,as well as its influnce on research staff

科技奖励制度的指导思想是:鼓励创新,鼓励攀登科学技术高峰,建立和完善人才培养和使用的激励机制,促进科学研究、技术开发与经济、社会发展密切结合,促进科技成果商品化和产业化,加速科教兴国战略和可持续发展战略的贯彻实施。

The studies on the dynamic changes of meteorology, hydrology and hydrochemistry of a saline lake have important value to the resource exploitation and environmental protection.

研究盐湖气象、水文、水化学动态变化,对于盐湖资源开发与环境保护都有重要意义。

Development and use of HS concern success or failure of a enterprise, even enhance strength and weaken of state comprehensive power., especially, today "economic development on the basic of scientific technology, The HS about scientific technology and knowledge culture body has improvably showed special station and functionSince 1980"s, the problem of the HS is always the hot point in the study of academic province and enterprise circus.

人力资源开发与使用,不仅关系到一个企业的成败,更影响着国家综合国力的强弱。尤其是在经济发展主要依靠科学技术的今天,作为科学技术、知识文化载体的人力资源更是日益显示出其在经济中的特殊地位和作用自20世纪80年代以来,人力资源战略问题一直是学术界和企业界研究的热点。

The results indicate that the different thermal expansions and elastoplastic properties and distributed randomness of various mineral particles composed of oil shale will lead to the nonuniformity of thermal field , deformation field and stress field in heating process , which makes the particles of oil shale deform incompatibly : and the release of product pyrolysis results in irreversible damages of oil shale material and structure . These are the main reasons for the thermal fracture of oil shale .

研究结果表明:组成油页岩各种矿物颗粒热膨胀和弹塑性性质的不同及其分布的随机性,导致油页岩加热过程中温度场,变形场和应力场的非均匀性,使得油页岩颗粒间变形不协调和油页岩热解产物释放引起油页岩材料与结构性能发生不可逆的劣化损伤,这是油页岩发生热破裂的主要原因;热传导方式加热油页岩,温度的传递比较缓慢,加热井和生产井的间距不宜过大,对油页岩储层性质存在差异时,注热井应选择较高热导率的区段;油页岩的层理对油页岩地下原位开发形成渗透带至关重要,油页岩达到热解温度会产生附加的膨胀力,首先在层理处开裂,应充分利用油页岩层理赋存条件改造其渗透性。

The results indicate that the different thermal expansions and elastoplastic properties and distributed randomness of various mineral particles composed of oil shale will lead to the nonuniformity of thermal field, deformation field and stress field in heating process, which makes the particles of oil shale deform incompatibly: and the release of product pyrolysis results in irreversible damages of oil shale material and structure. These are the main reasons for the thermal fracture of oil shale. When oil shale is heated through thermal conduction, temperature transfers slowly, so the spacing between heating well and production well should not be kept too long. When difference exists in oil shale reservoir's properties, heating well should be chosen in the high conductivity region. Oil shale's stratification is vital for developing permeation zone in in-situ retorting. Oil shale will generate additional expansion force as it reaches its pyrolysis temperature, and stratification will be cracked first, so the oil shale stratification should be utilized to enhance its permeability.

研究结果表明:组成油页岩各种矿物颗粒热膨胀和弹塑性性质的不同及其分布的随机性,导致油页岩加热过程中温度场、变形场和应力场的非均匀性,使得油页岩颗粒间变形不协调和油页岩热解产物释放引起油页岩材料与结构性能发生不可逆的劣化损伤,这是油页岩发生热破裂的主要原因;热传导方式加热油页岩,温度的传递比较缓慢,加热井和生产井的间距不宜过大,对油页岩储层性质存在差异时,注热井应选择较高热导率的区段;油页岩的层理对油页岩地下原位开发形成渗透带至关重要,油页岩达到热解温度会产生附加的膨胀力,首先在层理处开裂,应充分利用油页岩层理赋存条件改造其渗透性。

The research aim is to make certain relatively class and area of jinan karstic aquifer to the pollution of human being activity, to provide technical sustain to the protection of the karstic water resources, soil and resources exploritation in reason and layout of city construction.

本次研究的主要目的就是通过评价,确定济南泉域含水层容易受到人类活动污染的相对级别及范围,为济南泉域岩溶水资源的保护、国土资源的合理开发与城市建设的规划提供技术上的支持。

The dissertation mainly consists of two parts:1. The Reaction Chemistry of Alkynes under Palladium Catalysis Part 1 studies the reaction α,β-unsaturated carbonyl compounds with alkenylpalladium intermediate generated by nucleopalladation, and discovered 1 the Pd-catalyzed tandem addition reaction of halides, alkynes and α,β-unsaturated carbonyls,2 the four-component tandem addition reaction of halides, alkynes and α,β-unsaturated carbonyls, 3 the tandem intramolecular oxypalladation-conjugate additionreaction of alkynoic acids with α,β-enals. These new reactions provide notonly efficient highly stereoselective methods for the synthesis of γ,δ-unsaturated,polyunsaturated carbonyl compounds and γ-lactonic aldehydes, but also thebasic transformations for a number of C-C bond formation reactions which can be usedto design synthesis of many acyclic, cyclic or polycyclic compounds.

本论文的主要工作分为两个部分:一、钯催化下炔烃的反应化学在本小组前人工作的基础上,我们详细研究了炔烃亲核钯化产生的烯基钯中间体与α,β-不饱和羰基化合物的反应,发现两价钯催化下卤离子-炔烃-α,β-不饱和醛酮的串联加成反应、卤离子-炔烃-α,β-不饱和醛酮的西组分串联加成及炔酸分子内氧钯化-串联Michael型加成反应;由此发展了γ,δ-不饱和醛酮、多不饱和羰基化合物和带有醛酮基侧链的γ-丁内酯衍生物的高立体选择性合成方法,这一过量卤离子存在下的烯基钯对α,β-不饱和羰基化合物共轭加成反应的发现,为大量碳-碳键形成反应的实现提供了基础,使我们能够从这一基本反应出发,设计和开发多种分子内、分子间的碳碳成键反应,以好的立体、区域选择性组建开链、环状及多环类型的化合物。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力