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water main相关的网络例句

查询词典 water main

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Natural:The natural resourcesin Chuzhou main ly consist of halite,mineral water,turf,natural gas,bricking clay,etc.

自然:辖区内自然资源主要有岩盐、矿泉水、泥炭、天然气、砖瓦粘土等。

The main results are as the following: 1. Different reagents are used to modify the 568nm-emission QDs and there influences on the optical qualities of QDs are discussed. A good method of modification by which the excellent optical qualities of QDs are kept is found. 2. The water-soluble QDs were linked to the antibodies using the coupling reagents ethyl-3- carbodiimide and N-hydroxysuccinimide.

具体包括的内容如下: 1讨论了不同修饰剂及它们的组合对量子点表面进行修饰后,量子点光学性质的影响,发现对于最大激发波长为568 nm的量子点,应用巯基十一酸与巯基乙酸钠组合对其修饰后,得到的水溶性量子点保持了脂溶性量子点的优良光学性质,其量子点产率相对于其他修饰剂或组合也比较高。

Main products are piston, bettery, carburator assy, flashier, ignition switch, shock absorber, fuel cock, steering lock, starting coil, clutch cable, speedmeter cable, gear shaft, kick shaft, con-rod, engine block, chain, fuel tank, bulb, gear, pointer, water pump, relay, bearing, rear hub, clutch firber, sprocket, lever assy, back mirror, etc.

主导产品:活塞及活塞环,电瓶,化油器,闪光器,点火开关,减震器,油开关,车头锁,点火线圈,导线,齿轮,连杆,汽缸,链条,油箱盖,灯泡,转向灯,水泵,继电器,轴承,轮股,离合器片,链轮,把手,后视镜等我们生产和销售各种摩托车和汽车配件,并且在不断地开发新产品。

The main function of sucrose is to maintain normal respiration, so it can only be used to join the preservative, and make a good effect in maintaining the water balance of Dianthus Caryophyllus when dealing with 0.01% Phytic Acid +2% S +200 mg/L8-HQC solution; Finally, in the mensuration of Dianthus Caryophyllus fresh weight change, no matter using which the vase planting solution, the fresh weight of Dianthus Caryophyllus increases in the initial phase and then gradually decreases.

结果表明:在花径变化的测定中,经0.01%植酸+2%S+200mg/L8-HQC溶液处理的香石竹在保鲜期间得到最好的保鲜效果,切花的生长状况达到最佳状态;在水分平衡的测定中,结果表明蔗糖溶液对香石竹的水分平衡的保持有负作用,蔗糖的作用主要作用是维持正常的呼吸作用,因此它只能用来加入到保鲜剂中,处理0.01%植酸+2%S+200mg/L8-HQC在保持切花的水分平衡上起到较好的效果;最后在香石竹的鲜重变化测定中,无论什么瓶插液,香石竹切花的鲜重在初期阶段增加,然后逐渐减少,水分的吸收与丧失会有波动,但总趋势是失水量大于吸水量。

SINMAYA imports water based additives, powder materials, and dry-mixing mortar additives, main suppliers including DOW Chemical Company, Ashland Specialty Chemical Company, Millennium Chemicals, INEOS Silicas, Celite, MELICSEA, Thor, ELEMENTS SPEICALTIES, PROTEX and Group TOLSA etc.

至今已成功引进中国北方涂料市场的代表性产品有:水性涂料用助剂、粉料、色浆色卡调色设备及干混砂浆中添加剂。主要的供应商包括陶氏化学、美礼联、英力士、赛立特、索尔、海明法国宝时和西班牙TOLSA集团等。

The main constituents C_1 and C_2 of Gentaminycin were evaluated in per centage by nuclear magnetic resonance spectrometry and comparison of pre - sa - turation water suppression with routine spectrometry of GTM matetrial drug was made to evaluate and analyse the GTM injections produced by 7 different factories.

用核磁共振谱(~1H-NMR)对庆大霉素的主要组分C_1和C_2的百分含量进行了测定,用预饱和抑制水峰谱与GTM原料药的常规谱进行了比较,并对7个厂家的GTM注射液进行了测定分析。

In this article, the preparation of benzyl 4-hydroxybenzoate in water was reported, with 4-hydroxybenzoic acid and benzyl chloride as main raw materials, cetyl trimthylamonium bromide as phrase transfer catalyst.

采用改进工艺,以正十六烷基三甲基溴化铵为相转移催化剂,水为溶剂,对羟基苯甲酸和氯化苄为主要原料,合成对羟基苯甲酸苄酯。

Few minutes are enough to chemisorb significant amount of H2O and CO2.It is demonstrated that the CO2 is the main deactivating agent whereas the negative effect water is less important.

化学吸收大量的这表明了CO2对催化活性降解起主要作用,而水的影响相对不太重要。

Preparation of the cathode includes:shaping under the press of 40Mpa, sintering at 550℃for 1 hour and at 900℃for 8 hours and threading with molybdenum bar; Considering the literatures we choose CaCl2 as salt for preparation titanium. Pretreatment of salt is for 1 hour at 100℃and for 2 hours at 300℃. Partial pressure of oxygen which need lower than 5.11×10-7Pa to reduct titanium oxides and hygroscopic property of salt need a sealed equipment to electrolyse. And finally successfully designed a satisfied one and the results show that the equipment can be satisfied the requirment of the experiment. Flow of the inert gas is 1.5L/min, the voltage is 2.8 V, temperature is 850℃and time is 2 hours during pre-electrolysis. Flow of the inert gas is 0.2L/min, the voltage is 3.1 V, temperature is 900℃and time changes with the mass of TiO2 during electrolysis, namely the greater need the longer time; To eliminate influence of salt and other impurities, the products need to wash with distilled water and dilute chlorhydric acid , then wash with dilute hydrochloric acid under supersonic wave assistant. Finally, electrometical properties of the electrolysis of TiO2 is researched by cyclic voltammetry and chronoamperometry, and results show that there are two main reodox steps, namely from TiO2 to TiO and from TiO to Ti.

阴极制备主要包括40MPa压力下模压成型、两段式烧结(1小时内升至550℃保温1小时,再1小时升温至900℃保温8小时)及烧结后TiO2块打孔用钼棒串接三个主要环节;实验中选用CaCl2作为电解熔盐,并对其进行预处理(100℃,保温1小时; 300℃,保温2小时);经热力学计算,还原钛氧化物的氧分压至少要低于5.11×10-7Pa,结合电解过程中所用熔盐CaCl2有极强的吸水性的特点,电解装置应有较高的密封性,自行设计了一套密封性可靠的电解装置,便于实验过程中熔盐预处理和氧分压的控制;通过干燥处理预电解过程中Ar流量大约为1.5L/min、电压为2.8 V、温度为850℃、时间为2小时,电解过程中Ar流量大约为0.2L/min、电压为3.1V、温度为900℃,实验结果表明电解时间与TiO2质量密切相关,质量越大需要电解的时间越长;通过自来水冲洗—稀盐酸浸泡、洗涤—在超声波辅助作用下稀盐酸洗涤,可减少熔盐及其它杂质对电解产物检测结果的影响;最后,通过循环伏安法、计时电流法对电解机理的研究,确定电解还原TiO2制备金属钛主要经历了TiO2-TiO-Ti的过程。

The main conclusions are as follows:The vitellin of Chrysopa septempunctata was extracted with 0.4mol/L NaCl and then precipitated in cold distilled water. Ion exchange chromatography and proteic gel recovery were used to purify it further. SDS-PAGE analysis shows that the vitellin is composed of two subunits, the large one 165kDa and the small one 46kDa.Then automatic amino acid analyzer was used to analyse amino acid composition of vitellin.

主要结论如下:用蒸馏水沉淀法对大草蛉的卵黄蛋白进行了初步纯化,而后又采用离子交换层析和蛋白胶回收的方法对卵黄蛋白进行了进一步的纯化;通过SDS-PAGE分析表明,大草蛉的卵黄蛋白由大165kDa和小46kDa两个亚基组成;用氨基酸自动分析仪对纯化后的卵黄蛋白进行了氨基酸组分分析。

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By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候,里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色,卵在发育96h后卵基本全部孵化。

There was a conflict between plebs and patricians in ancient Rome in 494BC.

在公元前494年,罗马发生了一次平民反对贵族的斗争。