The leaching solvents for the separation of silver sulfide and native silver were investigated in this test. 文中针对硫化矿物中硫化银与自然银的浸取溶剂及分离方法进行了探讨。
A top Indian woman athlete who won a silver medal at a recent regional championship has failed a gender test, officials say. 亚运会官员宣布,获得亚运会银牌的印度顶级女运动员性别测试没有过关。
In the past, wooden chopsticks inlaid with silver thread were used to test whether poison was put in a meal, since silver reacts to a number of poisonous substances by changing its color. 过去人们用嵌有银器的木筷来测试是否有人在餐中下毒,因为银器碰到一些有毒物品会起变色反应。
Using the traditional silver wire test yields outstanding repeatability. 使用传统的银样保证了优异的重复精确性。
Active sulphur and microbions may cause unquanlified results for silver strip corrosion test of jet fuel, which were then analysed and discussed especially from where they came. 分析了喷气燃料中导致银片腐蚀的两种物质活性硫和微生物,讨论了它们的来源。
Reliability and Validity of Revised Chinese Version of Silver Drawing Test 斯尔文绘画测验中文修订版的信效度分析
The status of H pylori was detected by warthin-starry silver staining and Urase test methods. HPylori检测采用尿素酶试验法和Warthin&Starry银染法。
Clinical application of non denaturant polyacrylamide gel electrophoresis and silver staining test 非变性聚丙烯酰氨凝胶电泳及银染法临床应用探讨
SILVER A test of introduction and seedling of Acacia dealbata Link 银荆引种育苗试验
Silver brazing fluxes are prepared by water dissolution process. Its orthogonal test shows its drying time has greatest effect on brazing performance, followed by composition ratio and drying temperature. 采用水溶法改性工艺制备银钎剂,正交试验表明,烘干时间对钎剂性能的影响最大,其次是成分配比及烘干温度。
SIMULATED EXPERIMENT ON WATER DISSOLUTION METHOD FOR PRODUCING NATIVE SODA DEPOSITS IN WUCHENG The optimization of the water dissolution process using silver brazing fluxes was conducted by orthogonal test. 针对银钎剂生产成本较高、性能不够稳定以至难以大批量生产的现状,通过在银钎剂的水溶法改性工艺的基础上,采用正交试验法对其工艺及配方进行了优化设计。
Methods: The bactericidal action and the dose-effect relationship of bacteriostasis of metal silver were examined by in vitro bacterial culture, and its interference test in vitro was also observed. 方法:通过体外细菌培养测定金属银的杀菌范围及抑菌效量关系,并观察银抑菌干扰实验。
Lipid oxidation and the effects of different antioxidants on lipid oxidation inhibition of silver carp mince during 0 ℃ and-18 ℃ storage were studied by TBA test. 以TBA值作为脂质自动氧化程度的指标,研究了鲢鱼在0℃冷藏和在-18℃冷冻过程中脂质氧化的情况,以及几种常用抗氧化剂对鲢鱼糜的脂质氧化的影响。
During the period from December 2002 to April 2003, RAPD technique was used to analyze genetic diversity of inbreeding F1 progeny in two artificial gynogenetic strains of silver carp, in order to test the stability of their genetic characters. 2002年12月到2003年4月用RAPD技术对两个雌核发育系鲢近交F1的遗传多样性进行分析,从分子水平上检验建立的雌核发育系近交后代遗传性状的稳定性。
Occasionally, jet fuel may deteriorate and result in disqualification of silver strip test. 喷气燃料在运输或贮存过程中有时会发生变质,出现银片腐蚀不合格的现象。
Methods: Determining the entrapping rate of arsenous oxide in liposomes by new silver salt method, we studied the best preparing formula of liposomes by the orthogonal test design. 方法:采用正交设计,研究制备脂质体的最佳配比;新银盐法测定脂质体的包封率;
In order to know the antimicrobial efficacy. HBsAg-destroying efficacy and toxicity of an inorganic silver antimicrobial containing 6% ( g/ g) silver, measurement of paper bacterial ( fungal) inhibition zone, carrier qualitative HBsAg test and toxicity test were carried out. 为了解含银6%(g/g)的无机银抗菌剂的抗菌与破坏HBsAg效果及毒性,进行了纸片抑菌环测定、载体定性HBsAg试验与毒性试验。
One of 46 cases with positive of Hp antibody expressed positive in 13C breath test, however, negative in W-S silver staining and fast urea enzyme test. 46例Hp抗体阳性病例中仅1例13C尿素呼气试验阳性,W-S银染色、快速尿素酶试验均阴性。
The recovered silver powder was recycled into COD test s, the cost of COD test be reduced by as much as 70%. 回收的银粉可再用于COD测定,降低COD试验费用约70%。
The results showed that disqualification of jet fuel in silver strip test was caused by active sulfides, especially elementary sulfur. 结果发现,引起银片腐蚀试验不合格的原因是活性硫化物,主要是单质硫。
The parameters of square-wave plating from cyanide silver bath are selected by Hull cell test, and the optimum pulse duration, duty ratio and average corrent are estimated through combined experiments. 用霍尔槽实验法初选了氰化物溶液中方波脉冲镀银的工艺参数范围,进而用组合实验确定出了最佳的脉冲周期、占空比(通断比)和平均电流密度。
Modification of the Silver Mirror Test of Formic Acid 甲酸银镜反应实验的改进
The Silver Strip Test is an important item to evaluate the corrosiveness of jet fuel. 银片腐蚀试验是评价喷气燃料腐蚀性的重要指标。
Silver-copper powder was prepared by plating silver on micron sized copper powder, its properties were examined, and the test results obtained were then analyzed in this discussion. 采用化学沉积法在微米级铜粉上镀银,并对得到的镀银铜粉的性能进行测试,对得到的结果进行了分析。
By correlation coefficient calculating and statistics analyzing, it was shown that the rating of silver strip corrosion test was remarkably affected by elemental sulfur, and secondly by disulfide and other corrosive sulfur. 通过相关系数计算和统计分析表明,银片腐蚀结果受元素硫含量的影响非常显著,二硫化物硫、腐蚀性硫的影响次之;
Methods Double decomposition reaction was used to prepare phosphonomycin silver and disc agar diffusion test was used to compare the anti-microbial activities of phosphonomycin silver with those of sulfadiazine silver and calcium phosphonomycin. 方法:采用复分解法制备磷霉素银,并经体外抑菌试验比较了磷霉素银与磺胺嘧啶银和磷霉素钙的抗菌活性。
Thermostability of resultants were inspected by thermogravimetry with a temperature range of 20~ 800 ℃, and the heating rate was 20 ℃/ min. TG analysis shows that the silver powder has the best thermostability and oxidation reaction was not found at the test conditions. 使用热重分析仪,以20~800℃变温范围、升温速度20℃/min考察制得粉末的热稳定性,制得粉体中以银粉的热稳定性为最好,在测试条件下未发现氧化等反应。
The antibacterial performance of different process parameters on nano-structured silver film samples were tested with Escherichia coli and Staphylococcus aureus as test organism by shake flask test. 采用振荡烧瓶法,选择大肠杆菌及金黄色葡萄球菌为试验菌种,对不同溅射工艺参数及放置时间下的丝织物基纳米银薄膜样品进行抗菌性能测试。