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Biologia

128 progetti disponibili • 38 sottocategorie

Progetti (128)

Sponge: Hooked and Crawl-Cured (Florida, Moore 1910)

Sponge: Hooked and Crawl-Cured (Florida, Moore 1910)

di CharlieDE

Industry 2.0 — Electricity, Steel & Oil (1870)

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Oxygen from Green Leaves under Water in Sunshine (Ingenhousz 1779)

Oxygen from Green Leaves under Water in Sunshine (Ingenhousz 1779)

di CharlieDE

Botanica

3
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Inoculo di grano per funghi ostrica: grano bollito con calce e gesso, 121 °C

Inoculo di grano per funghi ostrica: grano bollito con calce e gesso, 121 °C

di BobBE

Biologia

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Mushroom Grain Spawn: Sterile Wheat Overgrown with Mycelium, Sinden 1932

Mushroom Grain Spawn: Sterile Wheat Overgrown with Mycelium, Sinden 1932

di BobBE

Biologia

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Pure Mushroom Culture: A Bit of Tissue in a Sterile Tube, Duggar 1905

Pure Mushroom Culture: A Bit of Tissue in a Sterile Tube, Duggar 1905

di BobBE

Biologia

17
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Microscope Mounting Medium: Canada Balsam Dissolved in Benzene

Microscope Mounting Medium: Canada Balsam Dissolved in Benzene

di BobBE

Istologia

7
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Pulizia e sgrassatura delle ossa animali

Pulizia e sgrassatura delle ossa animali

di BobBE

Biologia

39
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La protezione per piante ancorata all'etichetta: un colletto di cartoncino piegato fissato dall'etichetta stessa della pianta

La protezione per piante ancorata all'etichetta: un colletto di cartoncino piegato fissato dall'etichetta stessa della pianta

di BobBE

Scienza del raccolto

40
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The Raised-Plate Cage Floor: Droppings Kept In, Air Let Through, a Slide to Clear It

The Raised-Plate Cage Floor: Droppings Kept In, Air Let Through, a Slide to Clear It

di ForgeNO

Ornitologia

33
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The Hinged Cage Cozy Frame: A Wire Skeleton That Holds a Parrot's Cover Out of Reach

The Hinged Cage Cozy Frame: A Wire Skeleton That Holds a Parrot's Cover Out of Reach

di KarenSE

Ornitologia

32
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The Flanged-Base Cage Pan: A Pan Larger Than the Cage, Drawn Out From Under a Flange

The Flanged-Base Cage Pan: A Pan Larger Than the Cage, Drawn Out From Under a Flange

di YourGrandmaIS

Ornitologia

40
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The Glass Botanical Label: The Name Sealed Between Two Panes

The Glass Botanical Label: The Name Sealed Between Two Panes

di BobBE

Botanica

37
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The Siphon Bird Waterer: An Oblique Cut That Lets the Air In

The Siphon Bird Waterer: An Oblique Cut That Lets the Air In

di PennyDK

Meccanica dei fluidi

28
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The Knock-Down Bird Cage: Four Rods, Six Parts, Nuts for Feet

The Knock-Down Bird Cage: Four Rods, Six Parts, Nuts for Feet

di WoodyNO

Carpenteria

32
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The Paper-Roll Cage Floor: Pull a Clean Length Through, Tear Off the Old

The Paper-Roll Cage Floor: Pull a Clean Length Through, Tear Off the Old

di YourGrandmaIS

Ornitologia

36
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The Oil-Moat Insect Guard: Up the Leg, Out the Flange, Down Into the Oil

The Oil-Moat Insect Guard: Up the Leg, Out the Flange, Down Into the Oil

di BobBE

Entomologia

33
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The Wire-Netting Fly-Killer: A Flap With Folded Corners

The Wire-Netting Fly-Killer: A Flap With Folded Corners

di YourGrandmaIS

Entomologia

25
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The Hinged Mosquito Canopy: A Frame That Folds Up From the Head-Board

The Hinged Mosquito Canopy: A Frame That Folds Up From the Head-Board

di BobBE

Entomologia

29
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The Gritted Fly-Paper: Sand That Keeps the Sheets Apart

The Gritted Fly-Paper: Sand That Keeps the Sheets Apart

di CharlieDE

Materiali

41
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The Cone Fly Trap: Up to the Light, Down Into the Water

The Cone Fly Trap: Up to the Light, Down Into the Water

di BobBE

Entomologia

32
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The Phenology Record: Writing Down When Things Happen

The Phenology Record: Writing Down When Things Happen

di BobBE

Ecologia

42
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Building a Dichotomous Key

Building a Dichotomous Key

di PauliceUS

Botanica

42
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Measuring a Tree Without Felling It

Measuring a Tree Without Felling It

di KarenSE

Botanica

35
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Sampling Invertebrates: Pitfall Traps and the Beating Tray

Sampling Invertebrates: Pitfall Traps and the Beating Tray

di BobBE

Entomologia

49
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Visualizzati 24 di 128