$30 KXA 4X 10X 20X 40X 60X 100X Microscope Objective Lens Achromatic Electronics Camera Photo KXA 4X 10X 20X 40X 60X Objective Microscope 100X Industry No. 1 Lens Achromatic Electronics , Camera Photo,/corking2291345.html,10X,Objective,parmanssolutions.com,Lens,60X,$30,Achromatic,40X,100X,KXA,Microscope,20X,4X Electronics , Camera Photo,/corking2291345.html,10X,Objective,parmanssolutions.com,Lens,60X,$30,Achromatic,40X,100X,KXA,Microscope,20X,4X $30 KXA 4X 10X 20X 40X 60X 100X Microscope Objective Lens Achromatic Electronics Camera Photo KXA 4X 10X 20X 40X 60X Objective Microscope 100X Industry No. 1 Lens Achromatic

KXA 4X Very popular 10X 20X 40X 60X Objective Microscope 100X Industry No. 1 Lens Achromatic

KXA 4X 10X 20X 40X 60X 100X Microscope Objective Lens Achromatic

$30

KXA 4X 10X 20X 40X 60X 100X Microscope Objective Lens Achromatic

Product description

Color:1pc 10x

Type:Microscope achromatic Objective lens
Magnification: 4X/10X/20X(S)/40X(S)/60X(S)/100X(S+Oil)
Mounting size :20.2mm
Standard RMS thread
Material:Precision Copper core
Tube length : 160mm
standard thickness of cover glass 0.17mm
for Biological microscope

Detailed information :

4X :Numerical Aperture (NA) 0.1; working distance 18mm
10X: Numerical Aperture (NA) 0.25; working distance 7mm
20X (S): Numerical Aperture (NA) 0.4; working distance 0.55mm
40X(S) : Numerical Aperture (NA) 0.65;working distance 0.53mm
60X (S): Numerical Aperture (NA) 0.65; working distance 0.13mm
100X (S+Oil):Numerical Aperture (NA) 1.25 ;working distance 0.13mm
We are committed to providing good quality services, if you have any needs, welcome to consult,we will do our best to meet 。

KXA 4X 10X 20X 40X 60X 100X Microscope Objective Lens Achromatic

World Population
retrieving data...Current World Population
World Population:
  • has reached 7 billion on October 31, 2011.
  • is projected to reach 8 billion in 2023, 9 billion in 2037, and 10 billion people in the year 2055.
  • has doubled in 40 years from 1959 (3 billion) to 1999 (6 billion).
  • is currently (2020) growing at a rate of around 1.05 % per year, adding 81 million people per year to the total.
  • growth rate reached its peak in the late 1960s, when it was at 2.09%.
  • growth rate is currently declining and is projected to continue to decline in the coming years (reaching below 0.50% by 2050, and 0.03% in 2100) .
  • a tremendous change occurred with the industrial revolution: whereas it had taken all of human history up to the year 1800 for world population to reach 1 billion, the second billion was achieved in only 130 years (1930), the third billion in 30 years (1960), the fourth billion in 15 years (1974), the fifth billion in 13 years (1987), the sixth billion in 12 years (1999) and the seventh billion in 12 years (2011). During the 20th century alone, the population in the world has grown from 1.65 billion to 6 billion.

Sources for the world population counter:

For more detailed information:

retrieving data...Births this year
"this year" = from January 1 (00:00) up to now
retrieving data...Births today
"today" = from the beginning of the current day up to now
retrieving data...Deaths this year
retrieving data...Deaths today
retrieving data...Net population growth this year
"net population growth" = births minus deaths
retrieving data...Net population growth today
Government & Economics
$ retrieving data...Public Healthcare expenditure Monocular Telescope with Low Night Vision, 40x60 35x50 High Powe
Quick facts:
  • Total global healthcare expenditure represent around 9% of world GDP
  • Government portion of healthcare expenditure is around 60%

Sources and info:

$ retrieving data...Public Education expenditure Rubber Duck Bubble Fabric Sport Water Bottle - BPA-Free, Sport
Quick facts:
  • Public spending on education in the world is around 5% of global GDP

Sources and info:

$ retrieving data...Public Military expenditure Qty 2 AFE WL10144 WIX Direct Replacement, Oil Filter
retrieving data...Cars produced this year
Sources and info:
retrieving data...Bicycles produced this year
Quick facts:
  • As recently as 1965, bicycle and car production volumes were essentially the same, at nearly 20 million each per year, but as of 2003 bike production had climbed to over 100 million per year compared with around 50 million cars produced that year.

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retrieving data...Computers produced this year
Society & Media
retrieving data...New book titles published this year
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retrieving data...TV sets sold worldwide Tw Metals Alum Tubing, 6061, 2 OD x .035 WA, 8 ft.
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retrieving data...Internet users in the world today
Sources and info:
Sources and info:
Sources and info:
  • Internet Live Stats (InternetLiveStats.com)
Environment
retrieving data...Forest loss this year (hectares)
Quick Facts:
  • The number shown above is net of reforestation
Sources and info:
retrieving data...Land lost to soil erosion this year (ha)
Sources and info:
retrieving data...CO2 emissions this year (tons)
Quick Facts:
  • CO2 Emissions shown are from Fossil Fuel Combustion
Sources and info:
retrieving data...Desertification this year (hectares)
retrieving data... Toxic chemicals released
in the environment this year
Food
retrieving data...Undernourished people in the world
retrieving data...Overweight people in the world
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retrieving data...Obese people in the world
Sources and info:
retrieving data...People who died of hunger Engine Oil Temperature Temp Sensor for 2003-2010 Powerstroke Die
Sources and info:
$ retrieving data...Money spent for obesity related
diseases in the USA Devol 0104-2402 Front Disc Guard Kaw
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$ retrieving data...Money spent on weight loss
programs in the USA A/A LED Ceiling Light, 36/48W RGB Close to Ceiling Lamp by Remot
Sources and info:
Water
retrieving data...Water used this year (million L)

Quick Facts:

  • Withdrawals for irrigation are nearly 70% of the total withdrawn for human uses, those for industry 20%, and those for municipal use about 10%

Sources and info:

  • Global Water Outlook to 2025 - International Food Policy Research Institute (IFPRI) and the International Water Management Institute (IWMI)
  • World Water Council
retrieving data...Deaths caused by water related
diseases this year
Sources and info:
retrieving data...People with no access to
a safe drinking water source
Sources and info:
Energy
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retrieving data...Energy used today (MWh), of which:
Sources and info:
retrieving data...- from non-renewable sources (MWh)
retrieving data...- from renewable sources (MWh)
Sources and info:
  • Renewables Global Status Report - REN21
retrieving data... Solar energy striking Earth Cable Tidy Sleeves, Length 1-50Meters Snakeskin Mesh Wire Protec
Sources and info:
retrieving data...Oil pumped today (barrels)
Quick Facts:
  • Barrel = 42 Gallons = 159 Liters

Sources and info:

retrieving data...Oil left (barrels)
Sources and info:
retrieving data...Days to the end of oil (~... years)
Countdown to the end of Oil:

retrieving data...

Assumption:
  • If consumed at current rates

Sources and info:

retrieving data...Natural Gas left (boe)
Quick Facts:
  • Boe = barrel of oil equivalent

Sources and info:

retrieving data...Days to the end of natural gas
retrieving data...Coal left (boe)
retrieving data...Days to the end of coal
Health
retrieving data...Communicable disease deaths this year
Sources and info:
retrieving data...Seasonal flu deaths this year
Quick facts:
  • Every year an estimated 290,000 to 650,000 people die in the world due to complications from seasonal influenza (flu) viruses.
  • This figure corresponds to 795 to 1,781 deaths per day due to the seasonal flu.

Sources and info:

retrieving data...Deaths of children under 5 this year
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retrieving data...Abortions this year
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retrieving data...HIV/AIDS infected people
Sources and info:
retrieving data...Deaths caused by HIV/AIDS this year
Sources and info:
retrieving data...Deaths caused by cancer this year
Sources and info:
  • Cancer - World Health Organization (WHO)
retrieving data...Deaths caused by malaria this year
Sources and info:
  • Malaria - World Health Organization (WHO)
Sources and info:
retrieving data...Deaths caused by smoking this year
Sources and info:
retrieving data...Deaths caused by alcohol this year
Sources and info:
retrieving data...Suicides this year
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$ retrieving data...Money spent on illegal drugs this year
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retrieving data...Road traffic accident fatalities this year
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