Best Scanning Electron Microscopy

Organic Chemistry Model Kit (307 PCS) – Armyte Chemistry Molecular Model for Teacher Student and Young People Academic Chemistry Education, Pack with Atoms, Bonds, Electron Orbital (Colorful)

...rs or parents, you can teach your students or children about the complex molecular structure much easier than only picture in books!.
2. Most complete and precise Chemistry model: This sophisticated model contains 126 atoms including: Carbon, Nitrogen, Oxygen, Hydrogen, Sulfur, Chlorine, etc. Besides, it contains 30 electron cloud orbitals, 150 molecular bonds (single bond.
triple bond) and 1 bond-disassemble tool. With this kit, it’s very easy to make a benzene, ethylene, methane molecular by using ‘4-hole Carbon’ atom and ‘1-hole Hydrogen’ atom..
3. Excellent Electron Orbital Model Kits: Our product contains extra electron orbital model for advanced education in Chemistry. For example, you can assemble a Methane electron orbital model by using ‘5-hole Carbon’ atom and ‘1-hole Hydrogen’ atom. This is a difficult part and therefore, it’s an essential part for students and children..
4. Durable Model: PP (polypropylene) plastic Atoms have good durability, high gloss and well texture. LDPE (Low density polyethylene) plastic linking bonds have perfect durability and perfect bending property. The product can endure many years. Never worry about broken problem..

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TinyScope Stickable Microscope Kit Portable for Phone, 20X - 400X Mini Microscopio Tool for Adults College Students Teens Kids Classroom Homeschool

...PIO]--Stick the mobile microscope to the phone main camera(it's ok with the phone case on).12 spare stickers are inside the box to replace. Bring this portable microscope box, discover the microscopic world eveywhere, anytime..
[FUN LIGHT MICROSCOPE]--Included 2 prepared slides for college students/beginners to microscopy the plant/insect organisms. DIY your specimen and use this cute science tool for education and exploration..
[LAB CLASS SUPPLIES]--Equip laboratory assistants/students/biology fans with this cellphone microscope for versatile purposes: carry on laboratory microscopy, science class kit, satisfy kids’ curiosity to see the wonderful and beautiful micro world of flowers and fruits..
[BIOLOGY SCIENCE MICROSCOPIO]--Take live videos of chemical experiments/biological movements (like sperm) with the microscope sticking to your phone. Meanwhile, users love to share their exciting discovery moments with the TinyScope community..

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JOYO JF-02 Ultimate Drive Overdrive Guitar Effect Pedal

Ultimate Drive Overdrive Guitar Effect Pedal.
Hybrid OCD distortion of solid state or vacuum tube tone.
Effects of electron tube amplifier and complex harmonic spacious sound.
Intermediate between distortion and overdrive, different from the normal diode clipping circuit..
Hybrid OCD distortion of solid state or vacuum tube tone, create the tone of a tube amplifier at volume..
Soothing and sweet tone & more active redundancy..
Effects of electron tube amplifier and complex harmonic spacious sound..
Also added High and Low switch to tailor overdrive frequencies to your liking..
Powered by: 1 * 6F22 9V battery / DC 9V adapter (neither included).
Effect pedal size: Approx. 12 * 6.7 * 5.6cm / 4.7 * 2.6 * 2.2in.
Package size: 12.8 * 7.5 * 6cm / 5.0 * 3.0 * 2.4in.

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Preamplifier Preamp Tube Board DIY Kit 6J1 Preamp Tube Board Preamplifier Headphone Amplifier

【6J1 ELECTRON TUBE】Preamplifier adopt 6J1 electron tube, classic collocation. This is a preamplifier + headphone amplifier that can be used with a post-amplifier or an active speaker, or it can be used with headphones..
【POWER SUPPLY】Preamplifier adopts 12V DC power supply, internal stable boost to 100V to ensure the performance of the tube. The headset can be pushed to 300 ohms, the general recommendation is 16-150 ohms..
【WARM AND MELLOW MUSIC SOUND】A cost-effective preamplifier with warm, mellow, sweet and transparent sound. The sound of this board is warm, mellow, sweet and transparent, and full of music..
【ENJOY DIY】Preamplifier is a cost-effective preamplifier. Replaceable op amp and upgrade the tube, just plug it in the direction of the foot. This preamplifier allows you and your family to enjoy the joy of DIY..
【STABLE PERFORMANCE】Preamplifier preamp tube board is carefully debugged circuit with stable performance, quiet and no noise. Output port: 3.5MM headphone output, preamp output..

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Onion Root Tips Cell Mitosis 5pcs Set, Show All Stages Clearly for Plant Genetics Biology Science Class by DIY-SCIENCE

25 AWESOME MICROSCOPE SLIDES WITH GREAT VALUE – We hand-pick the most comprehensive 25 slides based on 20 years’ biology experience working with biological microscopy. These 25 slides cover four major fields of biology: (1) ALGAE and FUNGI.
DETAILED LEARNING GUIDE – Each slide represents a lesson of the “Beauty of Biology”. Our guidebook is professionally written, containing colorful pictures with detailed description of the anatomical structures, so you know what you are exactly looking at. Following our guidebooks, you will have the most fun and fantastic learning experience..
MAXIMUM QUALITY – Our slides are prepared by the professional laboratory with maximum quality. Each slide is polished to have rounded corners for convenience and safety. Slides are stored in a super durable plastic box. The plastic box is much safer for kids comparing to a wooden box which may have splinters that can thorn your fingers..
FOR PROFESSIONAL AND EDUCATIONAL – Are you tired of the same cheap products with low quality and no information at all around the Amazon marketplace? We know your pain. This is why we re-design our 25-slide set and guidebooks entirely for you. No matter you are a teacher, a hom....

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UpBright 15V 2A AC/DC Adapter Compatible with ZVOX AccuVoice AV150 AV155 SKU#4001556 AV157 SKU#4001571 AV200# 4002001 AV201 AV203 4002031 AV205 Sound Bar TV Speaker 111 G30DD-SW Power Supply Charger

World Wide Input Voltage 100-240VAC 50/60Hz. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP:....
UpBright New Global 15V 2A AC / DC Adapter Compatible with ZVOX AccuVoice AV150 AV155 SKU#4001556 AV157 SKU#4001571 AV200 SKU#4002001 AV201 AV203....
Compatible with: 111 Model G30DD-SW G30DDSW Jiangsu Chenyang Electron Co., Ltd. / Danyang Chenyang Tech-Electron Co., Ltd. 15V 2A Power Supply Charger.

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SPL Roller Bottle Filter Caps, Polystyrene PS, 850 cm2, Sterile, Box of 40

▪ Non – pyrogenic ▪ Non – cytotoxic ▪ Non-Hemolytic ▪ DNase / RNase – free ▪ Human DNA – free.
Prevention of gradient formation through gentle agitation/rotation.
Superior gas exchanging environment for anchorage dependent cells.

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Grounding Clog Earthing Shoes for Women Connecting to The Earth Energy Improves Sleep, Reduces Inflammation, Pain and Anxiety

【CONDUCTIVE ELEMENT】- The oval-shaped conductive pad we use in the sole acts as a conductor of electron flow from the earth to your body. It makes our shoes genuinely grounding..
【WHAT IS GROUNDING】- The earth beneath your feet provides you with food and water. It also provides you with something very surprising - electrons. When you touch the ground with your bare feet or body, the electrons flow into you. This is called being “grounded.”.
【HEALTH BENEFITS】 - When connected to the Earth's natural electron current, many people experience positive health benefits like deeper, better quality sleep, less stress, more energy, improved circulation, reduced inflammation,etc.
【BAREFOOT SUBSTITUTES】- These Earthing shoes allow you to conveniently ground yourself when indoors or outdoors. They are "barefoot substitutes." It is not always convenient to ground outside during certain times of the year or for long periods of time..
【PERFECT DETAILS】- Ventilation ports add breathability and help shed water and debris. The shoes are easy to clean and quick to dry....

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OSRAM HBO 200W/4 Mercury Short-Arc Discharge Lamp

Discharge lamp with intense point source providing a broad spectrum through the visible and ultraviolet range.
OEM replacement bulb for equipment in the medical & scientific fields, including microscopy, fluoresence, fiber illumination, surgical lighting, and UV curing.
Wattage: 200W, Voltage Range: 54-63V, Current: AC, Average Lifetime: 200hrs.
Specially designed to ensure high arc stability.

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