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Introduced in this article are both global and domestic market for potassic fertilizer, and potassium sulfate in particular, as well as the importance of potassium sulfate to increasing yield and improving quality of agricultural crops.
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摘要介绍了国际和国内钾肥,尤其是硫酸钾市场的概况,以及硫酸钾对提高作物产量和品质的重要性。 |
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Introduced in this paper is the forest graph of a connected graph which is a generalization of the tree graph.
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摘要本文中引进了连通图的森林图,它是树图的推广。 |
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Introduced rough set theory into linear space, the authors put forward the concepts of the lower and upper approximates of rough linear space, then discuss their properties, obtain some interesting results.
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摘要将粗糙集理论引入线性空间,提出了上、下近似的概念,并研究了它们的有关性质,得到了一些有意义的结果。 |
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Introduced the cutting theory and the structure of the control system of the cutting machine for gas pipe, analysed the origin of the disturbance, brought up a series of anti-disturbance measures from two sides of hardware and software.
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摘要阐述了燃气管道切割机的切割原理和控制系统的构成,分析了干扰来源,从硬件和软件两方面提出了一系列抗干扰的措施。 |
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Introduced the postulate, model and realize process of ant group arithmetic, and applied it in gas engine valve spring design. The result showed it's valuable for optimize design.
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摘要介绍了蚁群算法的基本原理、模型和算法实现过程,并对内燃机气门弹簧进行优化设计,其计算结果表明该方法具有工程实用价值。 |
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Introduced the realization method of the interpolation filter based on DSP and analyzed the finite wordlength effects in fixed-point DSP system.
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摘要介绍了采用数字信号处理器实现插值滤波器的方法,分析了DSP处理器有限字长效给系统引入的误差。 |
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Introduced the state-of-the-art ball machines and other training equipments.
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引进了国际先进的发球机和其他教学辅助设备。 |
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Introduces Chinese language relating to food and cooking.
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介绍关于食品和烹调。 |
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Introduces aspects of statistical thermodynamics as they relate to macroscopic equilibrium phenomena.
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介绍与宏观平衡现象相联系的统计热力学方面的知识。 |
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Introduces briefly the organization program,appraisement principles,methods,contents,standards,requirements and notice in the procedure of inviting tenders for public bidding of medical equipment.
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本文简要介绍了医疗器械邀请招标的组织程序,评标原则、方法、内容、标准、要求和注意事项,具有较强的操作性。 |
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Introduces himself : like the computer likes to make friends, and loves to do things they like, the arrogant and headstrong, self-indulgence. I freely flying in the sky are appropriate network.
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自我介绍:喜欢电脑,喜欢交友,喜欢做自己喜欢做的事,骄横任性、放纵自我,网络的天空正合适我自由飞翔。 |