Unknown author(United Nations Industrial Development Organization, 1987-01)
Developing countries generally lacK, or are deficient in, facilities for
distributing food to schoolchildren and especially children of pre-school
age. In all developing countries, therefore, authorities emphasize ...
Unknown author(United Nations Industrial Development Organization, 1987-01)
In the process of producing hand tools, such as
carpenters pliers (pincers), adjustable spanners and bench
hammers, the first part of the process requires forged pieces of
certain sizes. These are the raw materials of ...
Unknown author(United Nations Industrial Development Organization, 1987-01)
Light sensitive diazo-materials are well known for
being irreplaceable in the multiplication of all kinds of
documents, especially plans, charts and texts, when contact
copying paper is used with highly intense lighting ...
Unknown author(United Nations Industrial Development Organization, 1979-01)
The small-scale parquet flooring plant is suitable for producing averagesized
grooved parquet (360 x 60 mm) with tounged-and grooved blocks (for lefthand
and righthand use), skirting board and fitting pieces.
The basic ...
Unknown author(United Nations Industrial Development Organization, 1987-01)
All agricultural crops are to a greater or smaller
extent subjected to various diseases, weeds and insects. Some of
these can significantly lower the crop yield, the quality or
both.
Unknown author(United Nations Industrial Development Organization, 1979-01)
Propylene glycol plants are conventionally linked with partially captive
propylene oxide. The hydrolysis takes place in two serially connected
stirred reactors, operated under pressure. The molar ratio of water to
propylene ...
Unknown author(United Nations Industrial Development Organization, 1979-01)
In this process the hydroperoxide intermediate is used to add an oxygen atom
to the propylene. The hydroperoxide itself is made simply by direct
oxidation of ethylbenzene with air. The reactors operate at about 3 bar ...
Unknown author(United Nations Industrial Development Organization, 1979-01)
This description is for a chlorohydrin plant integrated with a caustic/
chlorine plant.
Propylene chlorine and water are introduced into a reactor tower, which
operates at slightly below atmospheric pressure and at a ...
Unknown author(United Nations Industrial Development Organization, 1979-01)
Propylene oxide is produced by a two-step process in which isobutane is
oxidised using oxygen to tert-butyl hydroperoxide (THP' and the latter is
used to oxidise propylene to propylene oxide.
Isobutane and oxygen are ...
Unknown author(United Nations Industrial Development Organization, 1979-01)
With the increase in population centered around
cities and improvement in living standard, there has
been a considerable upsurging in the consumption of
water, which necessarily calls for extension of facilities
for ...
Unknown author(United Nations Industrial Development Organization, 1987-01)
The manufacture of final coating mixture for interior
and exterior walls (made of concrete, siporex and mortar) is a
discontinuous process in which production cycles follow
continuously and one production cycle (mixing ...
Unknown author(United Nations Industrial Development Organization, 1979-01)
Polyvinyl chloride is prepared commercially by the free-radical initiated
polymerisation of vinyl chloride. In the suspension process; deionised
water, suspending agents and vinyl chloride monomer (99 wt percent min) ...
Unknown author(United Nations Industrial Development Organization, 1987-01)
In Japan pve was first industrialized
In 1949. Because of its being excellent
in electric and chemical properties and
of flow, it can easily be processed; in
consequence of which, P'v C has been
developed and utilized ...
Unknown author(United Nations Industrial Development Organization, 1979-01)
As the living standard of mankind improves, the
desire to improve its own living environment also
rapidly increases. Particularly, an increase in
westernized apartment houses as well as mansions
stimulates the demand ...
Unknown author(United Nations Industrial Development Organization, 1987-01)
PVC paste resin differs mainly in particle size and
structure from PVC suspension resin which are used in
extrusion, injection, blow molding, etc. The specific
properties of paste resin can be described as follows:
• ...
Unknown author(United Nations Industrial Development Organization, 1987-01)
Plastisol moulding of PVC resin is
a relatively new technology. The trend
toward practical use in various countries
began only in 1950, and real production
began around 1955-1956.
Unknown author(United Nations Industrial Development Organization, 1987-01)
The definition of PVC wall covering
is "a sheet with PVC lamina-tion on
the back of the paper, which has plasticity
and which can be plastered on the
wall and ceiling by using an adhesive.
Unknown author(United Nations Industrial Development Organization, 1987-01)
The experiences gained in European countries
and the United States have shown that the PVCwindow
meets a great many requirements of our
time.
The raw material PVC has proved to be an
ideal material for windows. In the ...
Unknown author(United Nations Industrial Development Organization, 1987-01)
The so-called plastic tiles include
PVC asbestos tile, PVC tile, asbestos
tile, rubber tile, etc., among which the
most produced item is PV asbestos
tile.
Unknown author(United Nations Industrial Development Organization, 1979-01)
Pyrantel pamoate, originally used as an anthelmintic
medicine for livestock, began to be administered to
human beings as its high efficacy and low toxicity came
to be widely known.
With an extensive anthelmintic range ...