查询词典 sand paper
- 与 sand paper 相关的网络例句 [注:此内容来源于网络,仅供参考]
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The adsorption characteristics of alkylbenzene sulfonate s on reservoir sand in Daqing oilfield is systematically studied in this paper.
研究了烷基苯磺酸盐表面活性剂在大庆油砂上的吸附特征。
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Take the sand-asphalt cushion displacement of # 1 floating roof tank in Linyi Initial Station as an example, this paper introduces the lifting process of pontoon's center stand , lifting step, calculation of lifting force and method of material selection.
以临邑首站1号浮顶罐罐底板和沥青砂垫层全部更换为例,介绍了浮船中央立柱提升技术的施工工艺、施工步骤及提升力计算和材料选用的方法。
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Zhangjiajie in the west, the paper from the grass to the left Tan, Jin Bianxi off, and then back on the water, and officially entered into the sand trench knife.
在张家界西面,从纸草潭向左拐,过金鞭溪,然后溯水而上,便正式进入砂刀沟。
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The influence of factors such as W/C,sand percentage,water reducing agent and wollastonite is analyzed and the optimum proportion is given in this paper.
阐述了研究开发特重高强混凝土的重大意义,提出了制备技术和途径,说明了原材料及其性能要求,介绍了正交试验法设计特重高强混凝土配合比的方法,分析了水灰比、砂率、减水剂和硅灰等因素对特重高强混凝土的影响,在此基础上给出了最优配合比。
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The mechanical properties, antifreezing nature and utilizable property in roads of efflorescent sand and its mixture produced by Dunhua City was studied in the paper.
本文主要就敦化市所产风化山砂及其混合料的力学特性、抗冻性及路用性质进行了研究。
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Brought forward and reasoned the forming mechanism of Maowusu sandy land. Based on the analysis of the development of Holocene rivers and related loess and windsandy geomorphology, the paper put forward the forming mechanism of Maowusu sandy land as follows: while the climate became dry, the exterior channels extended backwardly and cut through the remained lake system of ancient Hetao lake. This resulted in the rapid discharge of underground water. The vegetation living on this water resource was destroyed completely. Then the sand began to form.
对毛乌素沙地的形成机制进行了新的探索基于对过渡地带全新世河流及其相关的黄土和风沙地貌发育、土地利用变化等分析,提出毛乌素沙地的形成机制:在气候变干的同时,外流河谷溯源延伸,切穿了长城以北河套古湖残遗湖系,使地表地下水迅速外泄,原靠湖系水资源维系的生长在河套古湖湖滨沙堤形成的沙地上的非地带植被的生存条件被彻底摧毁,而起沙。
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The efficiency of adsorption and removing Poliovirus 1(PV1) and bacteroides fragilis phage by nature and modified sand in the conditions of different environment pH, various mental salts and concentration variation, exist of humic acid in tap and distilled water were studied in this paper.
分别在不同pH、含有不同金属阳离子及腐殖酸的脱氯自来水与蒸馏水中,研究了砂与金属氢氧化物修饰砂吸附与去除Polivirus 1(PV1)和Bacteroides fragilis phage的不同效果。
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In this paper,sand culture experiment was carried out to study the effect of cinnamic acid,p-hydroxybenzoic acid stress on photosynthesis of cucumber seedlings.
采用砂培试验研究了有机肥对外源自毒物质苯丙烯酸、对羟基苯甲酸胁迫下黄瓜光合作用的影响。
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Based on the studied materials of oil fields and outcrops in the northwestern area of China, selecting the most important oil-bearing rservoirs (fiuvial and deltaic sand bodies) in terrestrial facies lacustrine basin, utilizing the theory and method of sedimentology, this paper explores the key problems, which are the studies of depositional model, heterogeneous model and predictable model, in order to present conductive information for the application of corresponding area and similar reservoirs, simultaneously, to deeply promote the organic combination of theory and practise.
本文根据在我国西部地区油田及露头区研究的资料,选取陆相湖盆沉积体系中重要的油气储层类型—河流和三角洲沉积砂体,以沉积学的原理和方法为基础,对油藏研究中的沉积模型、非均质模型和预测模型等热门研究课题进行研究,以指导相关地区类似油藏或储层的精细描述,从而达到使理论研究和生产实践进一步有机地结合。
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In this paper, the effects of increased concentrations of pyrene (0, 0.1, 1 and 10 mg/L) on the photosynthetic pigments, net photosynthetic rate, soluble sugar, soluble protein content ,and water metabolism of mangrove Kandelia candel Druce seedlings were studied in sand culture.
采用砂基栽培,研究不同浓度(0, 0.1, 1, 10mg/L)多环芳烃芘,对红树植物秋茄幼苗光合色素含量、光合速率、可溶性糖和可溶性蛋白含量以及水分代谢的影响。
- 推荐网络例句
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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.
随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。
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But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.
不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。
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Closes the eye, the deep breathing, all no longer are the dreams as if......
关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。