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  2. Valero Energy - Wikipedia

    en.wikipedia.org/wiki/Valero_Energy

    Valero is ranked No. 31 on the Fortune 500 rankings of the largest United States corporations by total revenue as of 2018. [33] For 2023, the company reported earnings of US$9.149 billion, with an annual revenue of US$144.766 billion. Valero Energy's shares traded at $130 per share, and its market capitalization was valued at over US$44 billion ...

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  4. Indicators of spatial association - Wikipedia

    en.wikipedia.org/wiki/Indicators_of_spatial...

    Indicators of spatial association are statistics that evaluate the existence of clusters in the spatial arrangement of a given variable. For instance, if we are studying cancer rates among census tracts in a given city local clusters in the rates mean that there are areas that have higher or lower rates than is to be expected by chance alone; that is, the values occurring are above or below ...

  5. Valero - Wikipedia

    en.wikipedia.org/wiki/Valero

    Valero, a prefix referring to derivatives of valeric acid; Valero Energy, an American Fortune 500 company operating a variety of energy production and fuel retail operations, based in San Antonio, Texas; Valero, Salamanca, a municipality in the province of Salamanca, Spain; Valero Texas Open, professional golf tournament on the PGA Tour

  6. Eriochrome Black T - Wikipedia

    en.wikipedia.org/wiki/Eriochrome_Black_T

    When used as an indicator in an EDTA titration, the characteristic blue end-point is reached when sufficient EDTA is added and the metal ions bound to the indicator are chelated by EDTA, leaving the free indicator molecule. Eriochrome Black T has also been used to detect the presence of rare earth metals. [2]

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  8. West Texas Intermediate - Wikipedia

    en.wikipedia.org/wiki/West_Texas_Intermediate

    West Texas Intermediate (WTI) is a grade or mix of crude oil; the term is also used to refer to the spot price, the futures price, or assessed price for that oil. In colloquial usage, WTI usually refers to the WTI Crude Oil futures contract traded on the New York Mercantile Exchange (NYMEX).

  9. Sustainability measurement - Wikipedia

    en.wikipedia.org/wiki/Sustainability_measurement

    Global indicators- Due to differences in social, economical, and environmental conditions of countries, each country has its own indicators and indexes to measure sustainability, which can lead to improper and varying interpretation at the global level. Hence, there common indexes and measuring parameters would allow comparisons among countries.