high-low的例句大全

Vacuum collection system is system of high negative pressure and low air flow.

真空吸尘系统,是一种高负压、低流量的除尘系统的统称.

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The high and low doses of the effective fraction of Sini Powder ( 600mg/ kg, 300mg/ kg) antagonized the descent of body temperature and ptosis induced by reserpine, and increased significantly the frequency of mouse head flick induced by 5-HTP.

四逆散有效部位大、小剂量（600、300mg/kg）可以拮抗利血平降低小鼠体温、引起小鼠眼睑下垂的作用，明显增加5-HTP诱导小鼠的甩头次数。

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At present, the ball mill in the processing work is one of the main broken equipment, but the low efficiency and high power consumption of ball mill have been concerned by each country and enterprise.

目前，球磨机是选矿工作中最主要的破碎设备之一，但球磨机的低效率、高功耗已成为各个国家和企业所关心的问题。

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The effects of Modified Atmosphere Package materials such as, low density polyethylene ( LDPE), high density polyethylene ( HDPE) and polypropylene ( PP) were studied for the storing and keeping-fresh of fresh-cut lotus roots.

以低密度聚乙烯（LDPE）、高密度聚乙烯（HDPE）及聚丙烯（PP）为包装材料，研究其对鲜切莲藕的贮藏保鲜效果。

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Fruit and vegetables are high in vitamins C& E and potassium, which actively work to keep blood pressure low.

水果和蔬菜中含有丰富的维生素c，维生素e和钾元素，可以使血压保持在较低的水平。

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A Study on Ultra High Burning Rate Propellants with Low Pressure Indices

超高燃速推进剂的压力敏感性

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Emphasis and difficulty in process and production of low viscosity and high-chlorinated polyethylene were introduced.

介绍了低黏级高氯化聚乙烯的生产工艺及生产过程中的重点与难点.

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Manufacturing: industrial silicon, metal magnesium, calcium carbide , high-carbon ferrochrome, silicon chromium alloys, low carbon ferrochrome China.

制造: 工业硅 、 金属镁 、 电石 、 高碳铬铁 、 硅铬合金 、 中低微碳铬铁.

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Firstly this paper introduced the principle of Fisher linear discriminant function, and then present the Subspace LDA algorithm which project the data that is in high dimension space to eigenspace that is in low space and then maximize discriminant coefficient.

本文介绍了Fisher线性判别准则原理和实现过程，然后引入Subspace LDA方法，用PCA将高维图像数据投影到低维的特征脸空间，再用LDA最大化判别系数。

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We have successfully developed a low noise high gain HFET with special doping profile sturcture and InGaAs/ GaAs two channels.

本文研究了具有InGaAs/GaAs双沟道和独特掺杂分布的低噪声高增益HFET。

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The function of bucket dredger in waterway dredging project is introduced. Through controlling the dredging depth, plane location, dredging slope and construction method, etc., the goal of good quality, high efficiency and low cost have been attained.

介绍链斗式挖泥船在航道疏浚工程中的作用，通过对挖泥深度、平面位置、挖泥坡度、施工方法等方面的控制，达到高质量、高效率、低成本的目的。

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The results show the high-temperature coke from low metamorphic weakly caking coal has the most pore, and the best activity;

结果表明，低变质弱粘结煤高温焦炭的孔隙最发育，活性最好；

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With the increasing development of coking industry, and the reserves of high-caking coal are very limited, the world are seeking for new technology which can exploit low-caking and non-caking coal, in order to expand coking coal resources.

随着炼焦工业的日益发展，强黏结性炼焦用煤储量极其有限，世界各国都在寻求利用弱黏煤和不黏结煤炼焦新工艺，从而扩大炼焦煤资源。

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The High-strength Low-density Cementing Slurry Used in North Buzachi in Kazakhstan

用于哈萨克斯坦北部扎奇油田的高强度低密度水泥浆体系

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It was also found that devices from these polymers with a high work-function metal cathode such as Al showed similar devices performance to that by using the low work-function cathode such as Ba, indicating the excellent electron injection ability of these polymers.

而且几乎所有的聚合物用高功函数铝作阴极的器件和用钡/铝作阴极的器件具有相近的发光性能，表明这类聚合物具有良好的电子注入性能。

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Solvent process synthesis of supper high and low viscosity of hydroxyl ethyl cellulose

超高超低粘度羟乙基纤维素的液相合成

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Effects on isolating pear genomic DNA by using SDS, CTAB, SDS-CTAB, improved CTAB, high salt-low pH and fractional centrifugation are analyzed and compared. Seven varieties of pear are used.

以7个梨品种为实验材料，比较分析了SDS法、CTAB法、SDS CTAB法、改良的CTAB法、高盐低pH值法、分步离心法对梨总DNA提取的效果。

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In this paper, the zero-sets of function germs is embeded into some highter space and then it is projected to low space as submanifolds in high space.

将可微函数芽嵌入到高维空间中，将其零点集做投影映射，得到相对应的函数芽。

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High Function, Super Low Cost Machine Tools

高功能超低价格机床

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BTO, availability microbe technology, is widely used with advantages of low cost, high output, no pollution eco-agriculture and environmental engineering.

“BTO”有益微生物技术是应用范围广、低投入 、 高产出、无公害 、 无污染的生态农业、环保工程应用项目.

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