Suchergebnisse
Suchergebnisse:
Vor 11 Stunden · Properties and chemistry DDT is similar in structure to the insecticide methoxychlor and the acaricide dicofol. It is highly hydrophobic and nearly insoluble in water but has good solubility in most organic solvents, fats and oils. DDT does not occur naturally and is synthesised by consecutive Friedel–Crafts reactions between chloral (CCl 3 CHO) and two equivalents of chlorobenzene (C 6 H 5 ...
- C₁₄H₉Cl₅
- 354.48 g·mol−1
- 108.5 °C (227.3 °F; 381.6 K)
- 25 μg/L (25 °C)
Vor 11 Stunden · Hermanus has been recognized by the WWF (World Wildlife Fund) as one of the 12 best whale watching destinations in the world. Hermanus is the mating and breeding grounds of the Southern Right Whale from June to November. It is a chance to encounter and spend a moment with these marine giants, and informative and educational whale watching experience.
Vor 11 Stunden · Bonaparte's Gulls breed around forested lakes in Canada and Alaska but disperse widely across North America outside the breeding season. They even wander to Britain occasionally where they usually associate with the slightly larger Black-headed Gulls. Its scientific name philadelphia was given by Ornithologist George Ord in 1815, who live in Philadelphia. In 1831 Richardson and Swainson named ...
- 1216
Vor 11 Stunden · The infestation has become so bad that residents living on the ground floor are “afraid to open their windows”, for fear the rats, which are visible in the gardens, will enter their homes.
Birding. bird watching. twitching. listing. Whatever you want to call it, if you are looking at or listening to birds, this is where you should be.
Vor 11 Stunden · The dark side of summer: The holiday season is a breeding ground for short-term rental fraudsters Sadly, this week’s story from The Telegraph is just one of many that we can expect to see in the short-term rental industry this time of year.
Vor 11 Stunden · #Shorts #Bitcoin #Cryptocurrency #FinanceRevolution #DigitalCurrency #Blockchain #CryptoNews #Investing #Finance #BitcoinExplained #Decentralization #FutureO...
- 43 Sek.
- Satoshi Shorts
