A novel setting accelerator for Oilwell cement& dzeos

A type of liquid state composite setting accelerator with low content of alkali for Portland cement was composed by means of four constituents composition.

采用四组分复合的方法合成了一种液体低碱复合速凝剂。

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The basic composition of liquid state alkali-free setting accelerator was elected according to results of the tests.

根据试验结果的分析选取了无碱液态速凝剂的基础成分。

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Development of alkali free setting accelerator

水泥无碱速凝剂的研究

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Research and application of powder setting accelerator for high performance water-proof sprayed concrete

高性能防水喷射混凝土用粉状速凝剂的研究及应用

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Among them, 35 had duodenal ampulla ulcer, 12 had duodenal ampulla posterior wall ulcer.

其中35例为十二指肠球部溃疡，12例为球后溃疡。

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The utility model relates to a fast anvil vice which is a simple, convenient and practical new device which can arbitrarily regulate a vice travel without a screw rod rotating.

这是一种不通过螺杆旋转任意调节虎钳行程，简单、方便、实用的新型装置。

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If you talk about the Bush telegraph, you are talking about the way in which information or news can be passed on from person to person in conversation.

如果你谈论快传，你正在谈论方式在哪一数据或新闻能被逝世从指名的在交谈中。

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In the autumn of1621, bountiful crops of corn and barley were harvested.

1621年秋天，玉米、大麦等作物获得大丰收。

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Research on the Cultivation Techniques of Two-Ensurance of Autumn Harvest Food Crops in Dryland

旱地秋粮双保险栽培技术研究

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The influence of different light and temperature conditions inside solar greenhouse of winter spring and autumn winter crops of different seasons in northern China on uptake and distribution of nitrogen, phosphorus and potassium in cucumber was studied.

研究了华北地区秋冬、冬春不同季节茬口日光温室内的不同光温环境对黄瓜氮、磷、钾吸收分配的影响。

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China's food consumption mainly depends on domestic production, and both summer grain crops and autumn grain crops will be ensured with the implementation of the work plan of the State Council.

随着国务院工作部署得到落实，无论是夏粮还是秋粮都能得到很好的保障。

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The yield of wheat which was the main crop increased slightly and that of other autumn harvest crops was stable.

主要农作物小麦产量略有上升，其它主要秋收作物产量基本稳定。

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Climate vulnerability of autumn grain crops in rainfed farming areas of Gansu Province

甘肃省雨养农业区气候变暖背景下秋粮生产脆弱性研究

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The drop's key period of time for yield are found by analyzed the drop's effect of increase and reduce for crops, it include summer grain crops, autumn crops and oil crops.

通过对夏粮、秋粮和油料作物降水的增减产效应分析，找出了降水对产量影响的关键时段。

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The sown and the disaster areas are the main factors affecting yield of crops in Longdong area, but the influence of temperature and precipitation on summer and autumn crops needs in-depth analysis.

播种面积和成灾面积是影响陇东地区粮食产量的主要因素，气温和降水对该地区夏、秋粮食作物的影响需要深入分析。

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Temperature rising have done great impact on the summer food planting structure which is mainly made up of wheat in Hexi region, and it have enabled a increased yield of autumn crops.

气温上升对以小麦为主体的河西地区夏粮种植影响较大，同时使秋粮产量增加。

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The present paper studied on the climatic conditions of winter dry and spring drought, and analysed the yields, benefits, growing habit and resources utilizing of 9 autumn crops.

本文针对四川攀西地区冬干春旱的气候特点，分析了9种晚秋作物的产量、经济效益、生长发育动态及资源利用状况。

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The structure of agricultural products planted has improved. While areas planted to early rice, cotton and tobacco have decreased, and those planted to autumn crops have increased.

农产品种植结构得到改善，早稻、棉花、烤烟面积减少，大秋作物面积增加。

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Combination of Agriculture with Animal Husbandry, Focusing More Attention on Early Autumn Crops& A Primary Study of the Problem of Adjustment of Crop Plantation Structure in Luochuan County

早秋为主农牧结合&洛川县种植业结构调整问题初步研究

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The lion's share of potato production comes from the punjab, where spring and autumn crops account for85 percent of the national harvest.

大部分马铃薯产量来自旁遮普，那里的春季和秋季作物占全国总收成的85%。

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