Greater Poland Voivodeship (in Polish: Województwo Wielkopolskie [vɔjɛˈvut͡stfɔ vjɛlkɔˈpɔlskʲɛ]), also known as Wielkopolska Voivodeship, Wielkopolska Province, or Greater Poland Province, is a voivodeship, or province, in west-central Poland.It was created on 1 January 1999 out of the former Poznań, Kalisz, Konin, Piła and Leszno Voivodeships, pursuant to the Polish local ...

The river Warta (/ ˈ v ɑːr t ə / VAR-tə, Polish: (); German: Warthe (); Latin: Varta) rises in central Poland and meanders greatly north-west to flow into the Oder, against the German border. About 808.2 kilometres (502.2 mi) long, it is Poland's second-longest river within its borders after the Vistula, and third-longest including the Oder, that flows also across Czech Republic and Germany.

Poland (Polish: Polska) is a country that extends across the North European Plain from the Sudetes and Carpathian Mountains in the south to the sandy beaches of the Baltic Sea in the north. Poland is the fifth-most populous country of the European Union and the ninth-largest country in Europe by area. The Polish coastline was estimated at 770 km (478 mi) in length.

Lubusz Voivodeship, or Lubuskie Province (Polish: województwo lubuskie [vɔjɛˈvut͡stfɔ luˈbuskʲɛ]) is a voivodeship in western Poland.. It was created on January 1, 1999, out of the former Gorzów Wielkopolski and Zielona Góra Voivodeships, pursuant to the Polish local government reforms adopted in 1998. The province's name recalls the historic Lubusz Land (Lebus or Lubus), …

The Vistula (/ ˈ v ɪ s tj ʊ l ə /; Polish: Wisła, Polish pronunciation: (), German: Weichsel) is the longest river in Poland and the 9th-longest river in Europe, at 1,047 kilometres (651 miles) in length. The drainage basin, reaching into three other nations, covers 193,960 km 2 (74,890 sq mi), of which 168,868 km 2 (65,200 sq mi) is in Poland.. The Vistula rises at Barania Góra in the ...

Greater Poland, often known by its Polish name Wielkopolska ([vʲɛlkɔˈpɔlska] (); German: Großpolen, Latin: Polonia Maior), is a historical region of west-central Poland.Its chief and largest city is Poznań followed by Kalisz, the oldest city in Poland.. The boundaries of Greater Poland have varied somewhat throughout history. Since the Middle Ages, Wielkopolska proper has …

Poznań (Polish: ()) is a city on the River Warta in west-central Poland, within the Greater Poland region. The city is an important cultural and business centre, and one of Poland's most populous regions with many regional customs such as Saint John's Fair (Jarmark Świętojański), traditional Saint Martin's croissants and a local dialect.Among its most important heritage sites are the ...

A photovoltaic power station, also known as a solar park, solar farm, or solar power plant, is a large-scale grid-connected photovoltaic power system (PV system) designed for the supply of merchant power.They are differentiated from most building-mounted and other decentralised solar power because they supply power at the utility level, rather than to a local user or users.

表觀遺傳學 （英語： epigenetics ）又譯表徵遺傳學、表遺傳學（舊譯名有擬遺傳學、外遗传学、後遺傳學等），属于生物学和遗传学的分支学科，其研究范畴为：在“非DNA序列变化”情况下，遗传信息通过某些机制或途径，发生可保存并传递给子代的基因表达或细胞表型之改变；而上述现象 …

Cancer epigenetics is the study of epigenetic modifications to the DNA of cancer cells that do not involve a change in the nucleotide sequence, but instead involve a change in the way the genetic code is expressed. Epigenetic mechanisms are necessary to maintain normal sequences of tissue specific gene expression and are crucial for normal development.