sn
abbr.
Senegal 塞内加尔；serial number 序列号；
英英释义
sn
n.a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide
同义词：tinatomic number 50
权威例句
A `Hypernova' model for SN 1998bw associated with gamma-ray burst of 25 April 1998Evaporated Sn-doped In[sub 2]O[sub 3] films: Basic optical properties and applications to energy-efficient windows
Quantitative measurement of sn-1,2-diacylglycerols present in platelets, hepatocytes, and ras- and sis-transformed normal rat kidney...
H2XO and (CH3)2XO Compounds (X = C, Si, Ge, Sn, Pb): Double Bonds vs Carbene-Like StructuresCan the Metal Compounds Exist at All?
Investigation of Low-lying States in $^{133}$Sn Populated in the $\beta $ Decay of $^{133}$In Using Isomer-selective Laser Ionization
Binary and ternary anode catalyst formulations including the elements W, Sn and Mo for PEMFCs operated on methanol or reformate gas
Characteristics of fluid inclusions and H-O-C-S-Pb isotopes of Weilasituo Sn-polymetallic deposit in southern Da Hinggan Mountains
Studies on the hydrogen absorption properties of LaNi 5−x Sn x and La 0.95 Ni 4.6 Sn 0.3 alloys using magnetic and thermoelectric...
Platelet-activating factor. Evidence for 1-O-alkyl-2-acetyl-sn-glyceryl-3-phosphorylcholine as the active component (a new class of ...
Control of Severe Hyperbilirubinemia in Full-term Newborns With the Inhibitor of Bilirubin Production Sn-Mesoporphyrin
1. The visible spectra of Ti, Sn and Fe were simulated by computer.
用计算机模拟了基体元素钛和锡、铁的可见光谱图。
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2. Bolivia is a mineral product exporter and the main producer of Sn and W in the world.
玻利维亚是矿物原料出口国，锡和钨的生产在世界上占重要地位。
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3. The bath formular and the technological conditions of new weldable Sn-Ce-Bi plating are introduced.
介绍了新型可焊性锡铈铋镀层电镀工艺的镀液配方和电镀操作条件；
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4. In addition, the effect of Sn and Ni as fluxes on the extraction of oxygen in high-purity tungsten has been studied with SEM and metallographical tests.
另外对锡、镍助熔剂在高纯钨粉中氧提取分析过程中的作用，通过电子扫描电镜和金相组织等手段进行了初步探讨。
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5. At present, anodized Al is electrolytically coloured in Sn salt solution, of which. mechanism is less studied yet.
当前，国内多数采用锡盐溶液电解着色阳极氧化铝，但对其着色机理却研究很少。
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6. This article presents the application of a new coating material(Sn Pb rare earth alloy)in the wire & cable industry.
介绍了一种新型金属涂层材料——锡-铅-稀土合金在电线电缆行业中应用。
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7. The process of acidic Sn-Bi alloy electroplating was developed by Hull cell tests.
采用赫尔槽试验研究了硫酸盐酸性电镀锡铋合金工艺。
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8. A new electroplating technology of solderable bright Sn-Sb alloy of bath components and operating conditions were studied.
研究了一种新型可焊性光亮锡锑合金电镀工艺的镀液配方和电镀操作条件；
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9. To establish a method for determination of Sn in poly(L-lactic acid)(PLLA)pharmaceutical necessities.
目的：建立药用辅料聚L-乳酸的锡含量检测方法。
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10. A bright citrate Sn-Zn alloy plating process is developed as a substitute for cadmium plating to meet the requirements under maritime climate conditions.
为了解决代镉镀层，满足海洋性气候条件下的使用需要，我们研究了柠檬酸盐电镀光亮锡锌合金的工艺。
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11. Modern analytical methods have been used to investigate the patterns of fusion zone and the diffusion behaviors of elements by TIG direct welding and TIG with Sn as transition layer welding.
利用现代分析测试手段分别研究了TIG焊直接焊接镁铝和镀锡焊接镁铝的焊缝熔合区形貌，并对其进行了元素扩散行为的分析及比较。
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12. Jiangpailing Sn multimetal deposit is a hydrothermal blind deposit which has the connection with the hypabyssal remelting granite.
界牌岭锡多金属矿床是一个与浅源重熔花岗岩有关的热液多金属隐伏矿床。
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13. IC industries produces thousand tons of scrap IC lead frame every year, which contains Sn, Fe, Ni metals.
IC导线边框是冲压机冲出IC导线脚架所剩的废料，含有锡铁镍等元素。
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14. Objective To study the role of endogenous carbon monoxide(CO) in newborn rats with hypoxic-ischemic brain damage (HIBD) and the protective effect of Sn-protoporphyrin (SnPP).
目的探讨内源性一氧化碳（CO）在新生大鼠缺氧缺血性脑损伤（HIBD）中的作用机制及锡原卟啉的保护作用。
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15. Study the action of Sn in the production of APT by ion-exchange of hydrometallurgy.
较系统地研究了湿冶离子交换法生产仲钨酸铵工艺中杂质锡的行为。
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16. SEM micrographs of TZS88 wear specimen showed that Sn-phase was evenly distributed on the working surface, which had functions as lubricating, decreasing coefficient of friction etc.
TZS88磨损试样的扫描电镜观察表明：其中的锡均匀分布于工作面上，具有润滑、降低摩擦因数和抗咬合的作用。
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17. The effect of Sb cycling in Sn smelting process has been pointed out, and the advice of comprehensive recovery of antimony has also been put forward.
指出了锑在锡冶炼流程中大量循环对生产的影响，提出了综合回收有价金属锑的初步建议。
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18. Sn bath is preferred.
锡浴比无浴法好。
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19. The characteristics of visible spectra of Sn and Fe in Ti-based alloys were studied with grating spectroscope and prism spectroscope.
使用光栅看谱镜和棱镜看谱镜研究了钛合金中锡、铁元素的可见光谱线特征。
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20. As SN 12.15 points out, when one no longer latches onto any idea of "my self, " one sees phenomena within and without simply as examples of stress arising and passing away.
在SN12.15中指出，当一个人不再纠缠于任何“我的自我”这一观念时，才能把内部和外部的现象仅仅当作是张力的升起和消失。
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21. There exist large Au, Cu, Pb-Zn, Ni, rare metals, rare earth, Sn, Mo, V, Ti, W and some other types of ore deposits.
具有大型、 超大型规模的矿产为金、铜、铅锌、镍、稀有金属、稀土金属、锡、钼以及钒、钛、钨等。
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22. Cu Sn plating is a right substitute for nickel coating because it is not allergic to human body, can meet anti diffusion requirement and has a lower cost.
电镀铜锡合金是一种合适的代镍镀层，它不使人体过敏，能满足防扩散性能的要求，且成本较低。
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23. Determination of Au in Au-Sn alloy was investigated by fire assay.
研究了采用火试金法直接测定金锡合金中金的含量。
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24. Solderability of Sn Pb alloy deposit is determined by electroplating process and its maintenance, post treatment rinsing, storage of MLCI, etc.
MLCI端头电极锡-铅合金电镀工艺及维护、镀后的清洗、MLCI的储存影响镀层的耐焊性和可焊性。
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25. The Al, Pb, Cu, Cd, Fe, Sn etc trace element in the electrolytic zinc were accurately and quickly measured by using ICP-AES method.
采用ICP—AES法准确、快速地测定电锌中的铝、铅、铜、镉、铁、锡等微量元素，并对方法的准确度和精密度进行了检验。
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26. Tin(Sn) film have been prepared by vacuum evaporation technique.
采用真空蒸发技术制备锡薄膜。
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27. Carbonatization and greisenization are closely related to Sn—W mineralization.
其中碳酸盐化、云英岩化与锡、铜、钨矿化密切相关。
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28. Effects of conditions of electroless plating of Pb Sn alloy on the composition and thickness of the coating were studied.
研究了化学镀铅锡合金过程中各影响因素对镀层的组成和厚度的影响。
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29. Effects of conditions of electroless plating of Pb Sn alloy on the composition and thickness of the coating were studied.
研究了化学镀铅锡合金过程中各影响因素对镀层的组成和厚度的影响。
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30. There is approximately 1.5 times more oleic in the sn - 1 than in the sn - 2position.
位于sn-1位的油酸约比sn-2位的多1.5倍。
-- 来源 -- 英汉 - 翻译参考[网络]
31. " Tin: Metallic chemical element, chemical symbol Sn, atomic number 50. It is a soft, silvery white metal with a Bluish tinge, employed since antiquity in the traditional form of Bronze, its alloy with copper"
锡:金属化学元素,化学符号sn,原子序数50。它是一种质地柔软、略带蓝色的银白色金属,古代就把它用于青铜(铜锡合金)中。
-- 来源 -- 英汉 - 翻译样例 - 自然
32. Before the construction of the S.N. Railway, Nanjing seemed to the inhabitants of Shanghai a long way off.
在京沪铁路未修筑之前，南京对上海的居民来说，似乎很遥远。
-- 来源 -- 英汉 - 短句参考
33. E5neIFn; 9Imp[sn`eFEn/ n [C, U]: He does some brilliant impersonations of the president.
他扮演总统有些地方十分出色.
-- 来源 -- 英汉 - 辞典例句
34. (1) serial number of the unit (SN) (2)part number of the unit (PN) (3) software revision (under main menu selection "SET UP/SERVICE/INF")
（1）投影机 的序号（sn） （2）投影机的零件号（PN） （3）软件修正（在主菜单中
-- 来源 -- 英汉 - 翻译样例 - 产品
35. SN (Saponification Number)
皂化值
-- 来源 -- 英汉 - 翻译参考[网络]
36. The sentinel node (SN) is defined as the first draining node from the primary lesion and it has proven to be a good indicator of the metastatic status of regional lymph nodes in solid tumors.
摘要：信号淋巴结（sn）被定义为原发病灶的首站引流淋巴结，是判断实体瘤区域淋巴结转移的良好指征。
-- 来源 -- 网友提供
37. " Tin： Metallic chemical element, chemical symbol Sn, atomic number 50. It is a soft, silvery white metal with a bluish tinge, employed since antiquity in the traditional form of bronze, its alloy with copper"
锡:金属化学元素，化学符号sn，原子序数50。它是一种质地柔软、略带蓝色的银白色金属，古代就把它用于青铜(铜锡合金)中。
-- 来源 -- 网友提供
38. In general, however, the saturated acid content of the sn- 2 position in animal fats is greater than that in plant fats, and the difference in composition between the sn- 1 and sn- 2 positions is also greater.
然而总的说来,动物脂肪中在sn-2位置上的饱和脂肪酸含量高于植物脂肪的,而且sn-l与sn-2位上组分的区别也很大。
-- 来源 -- 英汉 - 翻译参考[网络]
39. Approximately 80% of the triacylglycerols in coconut oil are trisaturated, with lauric acid concentrated at the sn- 2 positions, octanoic acids at the sn- 3, and myristic and palmitic at the sn- 1 positions.
在椰子油中约80%三酰基甘油是三饱和的,月桂酸集中分布在sn-2位,辛酸位于sn-3位,肉豆蔻酸和棕榈酸位于sn-l位。
-- 来源 -- 英汉 - 翻译参考[网络]
sn
