www.prestogifts.com is a leading portal to buy personalized gifts online in India. Presto is a well-established brand in the personalized gifts segment. Choose from a wide range of photo mugs, photo t-shirts, Miniatures, bobblehead, 3D-crystals, photo clocks, picture frames, softies and hundreds of

2 views • 11 slides

The process of pan boiling in sugar processing involves multiple gradations of massecuite to ensure high sugar quality and recovery. By separating crystals from mother liquor and boiling in stages, the 3-massecuite system optimizes sugar production while minimizing losses. Quality sugar production f

10 views • 33 slides

Liquid crystal displays (LCDs) have evolved from small screens in calculators to large, high-definition flat-panel TVs. LCD technology, discovered accidentally in 1888, utilizes liquid crystals that align to display images. Common LC phases include nematic, characterized by thread-like defects. LCDs

5 views • 44 slides

Solid state chemistry involves studying the differences between amorphous and crystalline solids, exploring their unique properties such as melting points, isotropic/anisotropic characteristics, and examples of each type of solid. Additionally, the classification of crystals into different crystal s

7 views • 62 slides

The Osazone test is a chemical test used to detect reducing sugars by forming derivatives of carbohydrates with phenyl hydrazine. This test helps in distinguishing different reducing sugars and differentiating between reducing and non-reducing sugars. The principle involves the reaction between carb

11 views • 22 slides

Solidification in metal casting involves nucleation and growth processes, impacting the final product's quality. Factors such as type of metal, thermal properties, and mold shape influence solidification. Homogeneous nucleation occurs below the equilibrium freezing point, while heterogeneous nucleat

1 views • 8 slides

Crystallization is a process where material deposits from a supersaturated solution, forming microcrystals that grow into larger crystals. Nucleation and growth are essential steps, with supersaturation driving crystal formation. Factors like temperature and seeding influence the process, leading to

1 views • 21 slides

The freezing process is crucial in ice cream production as it determines the quality, texture, and overall appeal of the final product. This process involves quick freezing of the mix while incorporating air to create small ice crystals for smoothness. Factors like freezer type, mix composition, and

0 views • 18 slides

Liquid Crystal Displays (LCDs) offer advantages such as low power consumption, cost-effectiveness, and good contrast. These displays consist of liquid crystal cells sandwiched between glass sheets with transparent electrodes. The LCD relies on external illumination for visibility and uses nematic li

0 views • 14 slides

Recrystallization is a laboratory technique used to purify solids based on their different solubilities. It involves dissolving an impure solid in a suitable solvent, cooling the solution to allow pure crystals to form, filtering to isolate the purified solid, and drying it. Finding a good recrystal

1 views • 11 slides

Alkaloids are extracted and isolated based on their basic character and solubility patterns using processes like Stas Otto. The general method includes treating plant material with solvents, extracting with ethanol, and separating bases using various techniques. Atropine, obtained from plants like A

2 views • 28 slides

Mechanism of general anaesthesia involves theories focusing on the interaction of anaesthetics with cell membrane components like lipids and proteins. The Lipid Solubility theory emphasizes the importance of an anaesthetic's affinity and solubility in nerve cell membranes, while the Surface Tension

1 views • 10 slides

Gout is a condition caused by the accumulation of urate crystals, leading to inflammation and various symptoms like acute arthritis and joint destruction. This article delves into the pathophysiology of gout, highlighting factors like hyperuricemia and crystal formation. It also discusses pharmacoth

2 views • 30 slides

When a beam of photons exposes an X-ray film, it chemically alters the silver halide crystals, creating a latent image. Film processing involves developer, fixer, and a series of steps to convert the latent image into a visible radiographic image. The developer reduces silver ions in exposed crystal

0 views • 26 slides

Direct View Storage Tube (DVST) is a display technology similar to CRT, using electron guns and phosphor-coated screens to display images without the need for refreshing. It stores picture patterns and maintains displays through electron beams and phosphor crystals. Components like electron guns, st

0 views • 7 slides

Encountering overwhelming situations is common, but maintaining a positive attitude can be transformative. "The Hidden Messages in Water" explores how positivity affects water crystals, emphasizing the impact of words. Discover the unique connection between positivity and well-being, as seen through

1 views • 16 slides

Radiation dosimeters, like Thermoluminescent Dosimeters (TLD), are vital tools for measuring occupational exposure to ionizing radiation. TLDs work by storing energy from radiation exposure in crystals, which is later released as light when heated for measurement. Dosimeters are assigned to specific

0 views • 18 slides

The concept of effective mass in crystals delves into how electrons interact with the lattice potential, leading to altered particle masses that affect their behavior. This phenomenon is crucial in applying electrodynamics equations to charge carriers in solids, where the electron mass can differ fr

0 views • 18 slides

This presentation discusses the use of single-crystal scintillators in X-ray imaging systems to optimize spatial resolution and efficiency. By utilizing modified FO plates and single crystals, a new paradigm has been introduced to enhance the point-spread function while maintaining or improving effi

0 views • 43 slides

Explore the concepts of solutions, solvents, solutes, and solubility in chemistry through investigations with various substances and solvents. Learn how to differentiate between dilute, concentrated, and saturated solutions, measure solubility, create solubility curves, and understand crystallizatio

0 views • 36 slides

Ecstasy, also known as MDMA, is a stimulant and hallucinogenic drug that can come in various forms like pills, capsules, powder, or crystals. It induces feelings of warmth, energy, and pleasure while distorting time and sensory perceptions. Short-term effects include euphoria, increased heart rate,

0 views • 8 slides

Detailed examination of the optical setup for an Optical Frequency Interferometer (OFI) system, including the input/output configurations with various optical components such as prisms, crystals, and wave plates. The analysis focuses on the path and behavior of beams within the system, considering r

0 views • 14 slides

Precipitation is any form of water that falls to earth and occurs when water evaporates into the atmosphere, saturates it, then condenses back into water. There are 5 main types of precipitation: rain, sleet, hail, snow, and freezing rain. Rain forms as water droplets in clouds collide and grow too

1 views • 14 slides

Crystal geometry involves the study of seven crystal systems defined by three symmetry elements - centre of symmetry, planes of symmetry, and axes of symmetry. These symmetry elements play crucial roles in determining the geometric properties of crystals. The centre of symmetry, plane of symmetry, a

0 views • 12 slides

Solid organic compounds obtained from organic reactions are often impure and require purification through recrystallization. This process involves choosing a suitable solvent, testing solubility, and using decolorizing charcoal to remove impurities. Proper solvent selection is crucial for successful

0 views • 13 slides

Chemical altered cocaine powder that forms crystals or rocks, crack cocaine is a highly addictive stimulant drug that produces immediate highs but comes with severe health risks. It can be smoked or injected, leading to short-term effects like increased heart rate and paranoia, as well as long-term

0 views • 19 slides

Kidney stones are solid crystals formed from the salts in urine. They are sometimes called renal calculi. Kidney stones can block the flow of urine and cause infection, kidney damage or even kidney failure. They can vary in size and location.\n

0 views • 4 slides

The presentation discusses cascaded cooling of neutrons and Namiot's proposal for phononless cooling to low temperatures using polarized deuterons. It explores inelastic scattering cross-sections, candidate paramagnetic systems, and excitations in O2. Additionally, it covers rate constants, superflu

0 views • 11 slides

Delve into the realm where Quantum Gravity meets Quantum Collapse, exploring the Cosmic Silence Cancellation Effects and the Spontaneous Collapse Rate at Low Energy Limits. Models like Continuous Spontaneous Localization and Dio.si-Penrose propose solutions to the macroscopic observation challenge i

0 views • 20 slides

Single crystals differ from polycrystalline samples due to their periodic atomic arrays in three dimensions, essential for applications in the electronic and optical industries. Growing single crystals is crucial for structure determination and intrinsic property measurements. Various methods of cry

0 views • 11 slides

Lidar and polarimeter observations from the SEAC4RS campaign were combined to cluster ice crystals into 7 distinct habits, providing insights into cirrus cloud properties. This study showcases the potential for future space-based missions to retrieve ice crystal properties accurately to improve clou

0 views • 6 slides

Imperfections or defects in crystals introduce intriguing properties to materials. This chapter explores two major types of defects - chemical impurities/alloying elements and atomic arrangement anomalies. Imperfections play vital roles in altering material properties, such as in semiconductors and

0 views • 18 slides

Nanostructured materials exhibit unique mechanical properties due to factors like grain boundary structure and dislocation movement. Reduction in grain size can enhance strength and hardness while reducing ductility. Nanomaterials may reach theoretical strength levels, significantly higher than sing

0 views • 23 slides

Delve into the depths of the earth with images and descriptions of terrains, from underground caverns to geodes lined with crystals. Explore concepts like subterranean landscapes, territorial boundaries, and the science of geography. Meet geographers who study natural resources and climates, shaping

0 views • 25 slides

X-Ray Diffraction (XRD) is a powerful analytical technique used to study the crystal structure of materials. This method is based on the principle of X-ray diffraction by crystals, providing valuable information about the atomic arrangement within a material. By analyzing the diffraction patterns pr

0 views • 14 slides

Ball milling and electrodeposition are top-down approaches for synthesizing nanomaterials. Ball milling involves using small hard balls to crush solid materials into nano crystals, while electrodeposition creates nano films by passing current through electrodes in an electrolyte. These techniques of

0 views • 10 slides

This practical experiment details the preparation of calcium peroxide, a solid peroxide used in various industries and agriculture. The procedure involves the reaction of calcium salt and sodium peroxide to synthesize calcium peroxide, which has applications in agriculture, aquaculture, ecological r

0 views • 7 slides

Citrine crystals are a vibrant yellow to golden-brown variety of quartz known for their ability to promote abundance, prosperity, and positive energy. Often referred to as the \"merchant's stone,\" citrine is believed to attract wealth and success wh

0 views • 7 slides

Discover the fascinating world of crystals and their potential to promote healing, enhance energy, and support personal transformation. This guide explores the unique properties of popular crystals, how to use them in everyday life, and the science b

1 views • 8 slides

Collection strategies for Rietveld refinement with laboratory X-ray diffraction data involve optimizing conditions for accurate peak intensities. Challenges such as poor particle statistics due to grain size, irradiated volume, or X-ray beam focus must be addressed. Powder diffraction plays a crucia

0 views • 26 slides