Nanoscience, Nanotechnology, and Chemistry
| Institution | UNIVERSITY |
| Course | BACHELOR OF SCIENCE... |
| Year | 4th Year |
| Semester | Unknown |
| Posted By | stephen oyake rabilo |
| File Type | |
| Pages | 8 Pages |
| File Size | 556 KB |
| Views | 6050 |
| Downloads | 1 |
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Description
Nanoscience is the emerging science of objects that
are intermediate in size between the largest molecules and
the smallest structures that can be fabricated by current
photolithography; that is, the science of objects with smallest dimensions ranging from a few nanometers to less than
100 nanometers.[1–3] In chemistry, this range of sizes has historically been associated with colloids, micelles, polymer
molecules, phase-separated regions in block copolymers,
and similar structures—typically, very large molecules, or
aggregates of many molecules. More recently, structures
such as buckytubes, silicon nanorods, and compound semi conductor quantum dots have emerged as particularly interesting classes of nanostructures. In physics and electrical engineering, nanoscience is most often associated with quantum behavior, and the behavior of electrons and photons in
nanoscale structures. Biology and biochemistry also have a
deep interest in nanostructures as components of the cell;
many of the most interesting structures in biology—from
DNA and viruses to subcellular organelles and gap junctions—can be considered as nanostructures.
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SOILS
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Soil is the upper layer of the earth’s crust or surface.
Different vegetation types occur on different soil types.
Soil types are closely related to species distribution and
community structure.
Specifically, species diversity is linked to soil composition,
stratification and soil formation.
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CLASSIFICATION OF ANTHROPODS
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Phylum Arthropoda
Subphylum Trilobita (Trilobitomorpha): trilobites (extinct)
Subphylum Chelicerata: chelicerates
Class Merostomata: horseshoe crabs
Class Pycnogonida: sea spiders
Class Arachnida: spiders, scorpions, ticks, mites, etc.
Subphylum Crustacea: crustaceans
Class Malacostraca (orders: Isopoda, Amphipoda,
Decapoda and Stomatopoda)
Class Branchiopoda: brine shrimp, water fleas (Daphnia)
Class Copepoda:copepods
Class Cirripedia: barnacles
Class Ostracoda: seed shrimps
Subphylum Uniramia: uniramians
Class Diplopoda: millipedes
Class Chilopoda: centipedes
Class Pauropoda: pauropods
Class Symphyla: symphylans
Class Insecta: insects --- (subphylum Hexapoda
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TAXONOMIC CHARACTERS (Used in plant identification)
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Identification; assigning a plant to a particular group
The identification of plant specimen is its determination of being identical
with or similar to another already known plant.
A character is any property of plant that can be used to record similarities
or differences between individuals
Identification characters are divided into two:
Endormophic characters – internal features used for identification
palynology; anatomy; cytology; phytochemicals; genotypes/semantids
Exomorphic characters- external features used for identification
Morphological characters are those that deal with external form and structure of plants;
they include growth habit, leaf, surface coverings, flower, inflourescence, fruits etc
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THE ACARI (ticks & mites)
One of the largest, highly diverse and
widely distributed groups in the animal
kingdom
Very abundant - numbers extremely high
(more than 60,000 described species
(with an estimated 500,000 more still
undescribed)
Habitat - both aquatic and terrestrial
(many free-living & parasitic)
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CIRCULATION OF MATERIALS IN THE BOD
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Blood is a circulating fluid tissue well developed in reptiles, birds and mammals.
Blood consists of two components. These are:
a) Blood cells. These are also known as the formed elements. The cells make
up about 45 percent of blood. This fraction of blood is known as packed cell volume (PCV) or the hematocrit value of blood.
b) Plasma. This is the liquid part of blood that makes about 55 percent of blood.
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SSL Themes in the Gospel of John Q424
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Sitting in a shop in Tehran, Iran, the Persian rug depicted an ancient forest.
Beautifully done, it re-created a scene in Switzerland: mountains, a waterfalls, a turquoise lake, forested hillsides, and an expansive blue sky dotted
with clouds. Anyone in that shop could have spent their time noting the details: the number of
knots per square inch, the fabric of the carpet, the types of dye used—all the minutiae that resulted in the rug.
Or the person could have focused, instead, on the arresting techniques and themes
that gave the carpet its unique beauty: the sky reflected in the lake, the snow that
capped the mountains, the verdant forest complemented by the deep green moss.
The themes of the carpet combined with one another in a deftly coordinated display
of beauty to manifest the splendor of that serene spot in the Alps.
This quarter we will be studying another finely crafted masterpiece. This work is not
the result of a brush on canvas, or a precisely framed photograph, or a skillfully woven
carpet. Rather, it is the Word of God, as artfully expressed in the Gospel of John.
Words have meaning within their contexts. For anyone to understand what
Scripture intends to say, it must be studied in context—the immediate sentences,
chapters, and sections, and the overall message of the Bible itself. Finally, because
the entire Bible is inspired by the Holy Spirit, each part should be studied in the
context of the whole.
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KCSE 2022 MATHEMATICS ALT.B PP1,PP2 QUESTIONS & ANSWERS
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Download a copy of KCSE 2022 MATHEMATICS ALT.B PP1,PP2 QUESTIONS with comprehensive KNEC Marking Schemes, This is instrumental in aiding your revision for your fourth coming examinations.
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HISTORY AND GOVERNMENT MODULE 2
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History simply means an account of events that took place in the past; history may be defined as a branch of knowledge with past events of human beings and their responses to their environment over the years.
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DAF 1201: COST ACCOUNTING
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Cost accounting is broad and extends beyond calculating production costs for inventory valuation, which government-reporting requirements largely dictate. However accountants do not allow external reporting requirements to determine how they measure and control internal organizations activities. In fact, cost accounting focus is shifting from inventory valuation for financial reporting to costing for decision making.
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MARANDA HIGH JULY MOCK 2024; English PP1,PP2 & PP3 Q&A
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Download a copy of the MARANDA HIGH JULY MOCK 2024; English PP1,PP2 & PP3 Question Papers with well coordinated Marking Schemes attached. This is a good revision material for your upcoming exams.
52 Pages
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