• In the paper, the high frequency pulse tube coolers (PTCs) developed for 80 K and below temperature application are introduced.

    首先介绍了作者开发的可用于80K以下区的高频脉冲制冷机

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  • This paper introduces the application of SIMOREG K 6ra24 series fully digital DC converter in the master winch of blast furnace, describes its configurations, functions and characteristics.

    介绍SIMOREGK6ra24数字直流调速装置高炉卷扬中的应用说明了配置功能特点。

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  • To introduce the application of SIMOREG K 6ra24 fully digital DC converter for the wire rod and bar continuous rolling mill production line, describe its configuration, functions and characteristics.

    介绍SIMOREGK6ra24数字直流调速装置线材连轧生产线应用说明配置功能特点。

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  • This includes the K Menu application launcher, the Run Command dialog and taskbar interaction.

    包括K菜单应用程序启动器运行命令对话框以及任务栏交互性

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  • In this dissertation, we will investigate the application of several high-k dielectric and metal gate process technologies.

    本论文中,吾人探讨种高介电系数介电金属闸极研究与应用

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  • High K fertilizer application could increase the resistance of corn and decrease the disease incidence.

    应用抗病品种为主、增施钾肥、适期晚播、适当植等农业栽培综合防治措施。

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  • Effect of application of K fertilizer and wheat straw to soil on crop yield and status of soil K in plough layer under different planting systems was studied.

    研究秸秆还田华北地区不同种植制度作物产量耕层土壤钾素状况影响

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  • The sequence of the model factor effects (N>K>P) and the relation between high yield and fertilizer application, and the mutual functions among the yield factors of various fertilizers.

    明确模型因素效应顺序氮肥钾肥磷肥高产施肥关系以及肥料产量因素交互作用效应。

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  • The results showed that the application of potash could raise both the contents of the fast available K and the slowly-released K in soil.

    结果表明:供试土壤后不仅提高耕层土壤速效含量而且很快向缓效钾方向转化,转化量随钾肥用量的提高而增大。

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  • But in excessive K application treatment, the yield and quality decreased.

    钾肥浓度过高,会使番茄产量品质降低

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  • The relationship between yield and fertilizer application was studied by means of "3414" method under different amounts of N, P and K applied .

    采用“3414”试验方法研究了油菜在不同氮、钾肥施用量组合,油菜产量施肥关系,应用回归效应方程寻找最优施肥量组合。

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  • The yield increase of K fertilizer was quite high at two rates of nitrogen application, and it closely relative to the content of available K in soil and potassium application rate.

    钾肥增产效率两种氮肥水平下都较高,单位钾肥的增产量土壤有效含量量呈极显著负相关

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  • Micro plot trial was carried out to study the effect of K application on dry matter accumulation and the content and the absorption of K, ca and Mg of oil rape.

    采用池栽土培试验研究对不同生育期油菜物质积累量钾、含量吸收量影响

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  • The yield increase of K fertilizer for wheat was closely related to the content of available K in soil and potassium application rate.

    小麦钾肥增产效应与土壤有效K含量K量有极大关系

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  • Results show that the proper application of black liquor of papermaking can improve the soil properties and increase the contents of organic materials, N and K in soil.

    结果表明造纸黑液适量施用改善土壤物理性状增加土壤有机质含量含量;

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  • The most suitable amount of fertilizer and maximum amount of K application and the estimation of economic benefit was listed in Table 8.

    肥料用量最大施肥量以及经济效益估计值8

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  • Ca absorption and tipburn of lettuce were studied under different application of n, k, ca, sprinkler irrigation and border irrigation in open field.

    露地栽培条件研究不同水平处理以及喷灌畦灌生菜吸收烧心影响。

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  • Application technologies of K, Mg and s for the first and second Baxi banana plant were studied.

    第一代巴西、硫肥配技术进行研究。

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  • Salinity negatively affected the growth of wheat; also de-creased the dry weight and the uptake of wheat and foliar application of humic acid increased the uptake of P, K, Mg, Na, Cu and Zn.

    对在不同浓度胁迫条件下,叶面喷施液态腐植酸土壤施用腐植酸类物质小麦作物生长和矿物营养吸收影响进行了研究。

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  • To apply all the N fertilizer in jointing stage gave best results. The combined application of N and K can increase yield by 42.2%, and N only 25.9%.

    另外,增产效果氮肥施用时期有关,拔节期一次施效果最好,氮配施增产42 .2 % ,单施氮增产25 .9 % 。

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  • This paper introduces the application of SIMOREG K 6RA24 series fully digital DC converter for the master winch of blast furnace and describes its configurations, functions And characteristics.

    介绍高炉卷扬数字式直流调速系统实现方法SIMOREGK6RA24全数字式直流调速装置功能特点

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  • The K content of seeds had a little effect with the N and K fertilizer application.

    子粒中的含量氮肥钾肥影响较小

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  • The results of the field experiments indicate that the application of K Series energy-saving fans to the dynamic pressure Ventilation can get good energy-saving effects and be regarded as the ne...

    通过现场试用认为K系列风机通风很好的节能效果,可作为动压通风配套风机

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  • Zinc fertilizer increased contents of N, P, K, Fe, Cu and B of wheat seed, Boron fertilizer application promoted the absorption and accumulation of P, K, Zn and Mn in wheat grain;

    小麦吸收均有促进作用;施硼有利于小麦对磷、钾、锰元素的吸收;

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  • Zinc fertilizer increased contents of N, P, K, Fe, Cu and B of wheat seed, Boron fertilizer application promoted the absorption and accumulation of P, K, Zn and Mn in wheat grain;

    小麦吸收均有促进作用;施硼有利于小麦对磷、钾、锰元素的吸收;

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