Metal‐metal triple bonds featuring s‐block element have not been reported until now. Only Be?Be double bonds between have been predicted theoretically based on the intuitive electron donation from four s1 type electron‐donating ligands. Herein, we theoretically predicted a novel species featuring ...
A. soft B. shiny C. weak D. small 相关知识点: 试题来源: 解析 B。解析:与第一题类似,文中提到“The metal is shiny and hard.”所以选 shiny。A 选项 soft 软的,与 hard 矛盾;C 选项 weak 弱的,不符合金属特性;D 选项 small 小的,不是对金属特性的准确描述。反馈...
”,Virginie Coudert and Hélène Raymond captured the bullion’s behavior during recession. The authors observe that in the short term, the correlation between stocks and gold is near zero in times of recession, which only qualifies gold as a “weak safe haven.”²The same holds true in ...
Homographs are words with different meanings but the same spelling, such as lead (the metal) and lead (the verb that means “to guide”). Homographs may or may not have the same pronunciation. Contronymy Contronymy is even rarer than the others. A contronym is a type of homonym where th...
and demonstrated that gold usually fulfills these requirements. Further, they even distinguished between a strong and a weak safe haven. While a strong safe haven is characterized by significant negative correlations between any asset and gold returns, in its weak form, these correlations become ze...
A. weak B. strong C. small D. broken 相关知识点: 试题来源: 解析 B。The metal toy train is described as strong. Weak means not having much strength, small means not big and broken means damaged, none of which fit the description of a metal toy train.反馈...
The STA is far away from the AP's antennas, so the signal loss is large. Signals are blocked by a beam, post, concrete wall, metal door, or other obstacles between the STA and antennas. In this case, change the antenna installation positions.Translation...
Gold serves few industrial purposes, unlike all other commodities, and is most revered as a shiny metal used for display or jewelry. It is precisely these facts that make gold a unique asset. Moreover, some investors consider gold a store of value and an invaluable diversifying component of ...
(2020) tested the safe-haven characteristic of gold in the wake of various global crises. Using annual data spanning the 1258–2018 period, they provided compelling evidence that gold acts as a weak safe haven when a linear model is applied and as a strong hedge against risk during episodes...
with gold for redemption, Indians have historically invested a large part of their savings in the precious yellow metal. Across the country’s urban and rural areas, gold has long been a prudent, reliable investment. Estimates suggest that 78 percent of Indian household savings are held in gold...