🔍 Tìm kiếm từ vựng
bipolar disorder
Noun
rối loạn lưỡng cực, bệnh hưng - trầm cảm
a chronic mental health condition marked by episodes of mania and depression
"Support from friends , family , and mental health professionals is essential for individuals with bipolar disorder to effectively manage their condition and improve their quality of life ."
psychosomatic disorder
Noun
rối loạn tâm thể, bệnh tâm thể
a psychological condition characterized by physical symptoms that derive from mental or emotional causes, often without any medical explanation
"Understanding the connection between psychological factors and physical symptoms is crucial for effectively managing psychosomatic disorders and improving overall well-being ."
telomere
Noun
telomere, đầu mút nhiễm sắc thể
a repetitive DNA sequence at the end of a linear chromosome, protecting it from deterioration during replication, and playing a role in cellular aging and cancer development
"The telomere's repetitive sequence , TTAGGG in humans , prevents the loss of essential genetic information with each round of cell division ."
isomer
Noun
đồng phân, hợp chất đồng phân
any of two or more compounds having the same molecular formula but different arrangements of atoms and, consequently, different properties
"The amino acid isoleucine and the sugar maltose are examples of isomers with identical molecular formulas but differing chemical structures ."
polymer
Noun
polyme, đại phân tử
a large molecule composed of repeating structural units, or monomers, covalently bonded together in a chain-like structure
"Polyester is a versatile synthetic polymer used in fabrics , clothing , and plastic bottles ."
monomer
Noun
monome, phân tử monome
a molecule that can chemically bond with other molecules to form a polymer
"Styrene is a monomer used in the production of polystyrene , a common plastic and insulation material ."
ester
Noun
este, este hóa học
a chemical compound derived from the reaction between an alcohol and an organic acid, typically with the elimination of water
"Ethyl propionate is an ester with a fruity odor and is used as a flavoring agent in the food industry ."
fermion
Noun
fermion, hạt Fermi
tiny particles that make up matter and have a property called spin, like the building blocks of atoms
"The Standard Model of particle physics classifies elementary particles into fermions and bosons , with fermions being the basic building blocks of matter ."
doppler effect
Noun
hiệu ứng Doppler, hiện tượng Doppler
the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the source of the wave, producing a shift in pitch or color
"The Doppler effect is employed in police radar guns to measure the speed of moving vehicles ."
kinetic energy
Noun
động năng, năng lượng chuyển động
the energy possessed by an object due to its motion, defined as one-half the mass of the object multiplied by the square of its velocity, expressed by the equation KE = 0.5 * m * v^2
"Heat , which is a form of energy , is related to the kinetic energy of particles in motion ."
dark matter
Noun
vật chất tối, chất tối
(physics) an invisible substance that makes up most of the universe's mass, detectable only through its gravitational effects
"Various theories have been proposed to explain the identity of dark matter particles , but conclusive evidence has yet to be found ."
antimatter
Noun
phản vật chất, vật chất phản
(physics) matter consisting of elementary particles that are the antiparticles of those of regular matter
"Antimatter propulsion is a theoretical concept that could potentially enable spacecraft to travel at near-light speeds in the future."
acceleration
Noun
gia tốc, sự tăng tốc
(physics) the increase in velocity over time
"Faster acceleration means quicker velocity change ."
inertia
Noun
quán tính, xu hướng của một vật thể chống lại sự thay đổi trạng thái chuyển động của nó
the tendency of an object to resist changes in its state of motion, whether at rest or in uniform motion, and to remain in its current state unless acted upon by an external force
"When a bus comes to a sudden stop , passengers may lean forward due to their inertia, continuing their forward motion momentarily ."
uncertainty principle
Noun
nguyên lý bất định, nguyên lý không chắc chắn
a theory stating that the exact position and momentum of a particle cannot be measured precisely at the same time
"Knowing both properties precisely is impossible according to the uncertainty principle."
thermic
Adjective
nhiệt, liên quan đến nhiệt
relating to or involving the transformation of heat energy
"The thermic exchange between the ocean and the atmosphere plays a crucial role in climate patterns ."
kuiper belt
Noun
vành đai Kuiper, đai Kuiper
a region beyond Neptune in the solar system containing icy objects like dwarf planets, asteroids, and comets
"Ongoing research aims to identify and characterize more objects within the Kuiper Belt to enhance our knowledge of the outer solar system."
interstellar medium
Noun
môi trường liên sao, vật chất liên sao
the matter and radiation that exists in the space between stars within a galaxy
"Astronomers study the interstellar medium to understand cosmic evolution ."
heliosphere
Noun
nhật quyển, vùng không gian chịu ảnh hưởng của gió mặt trời
the space surrounding the Sun dominated by solar wind
"The shape of the heliosphere resembles a teardrop."
sidereal
Adjective
thuộc sao, liên quan đến các vì sao
relating to the stars or constellations, especially in terms of their positions relative to Earth
"Sidereal charts plot the positions of celestial objects against the background of distant stars ."
derivative
Noun
đạo hàm, sự dẫn xuất
the rate at which a function changes with respect to its independent variable
"The chain rule allows finding the derivative of composite functions, crucial for analyzing complex mathematical expressions."
differential
Noun
vi phân, sự thay đổi vô cùng nhỏ
(mathematics) a really small change in a function or variable
"Differential equations describe relationships involving derivatives."
permutation
Noun
hoán vị, sắp xếp
(mathematics) a rearrangement of a set of elements in a specific order or sequence
"Permutations are used to count different ways to arrange objects ."
lithosphere
Noun
thạch quyển, lớp vỏ cứng ngoài của Trái Đất
the Earth's rigid outer layer, made up of the crust and upper mantle, and divided into tectonic plates
"The lithosphere is in constant motion , with plates drifting and interacting over geological time scales ."
asthenosphere
Noun
quyển mềm, lớp đá bán lỏng dưới vỏ Trái Đất
a layer of semi-fluid rock beneath the Earth's crust that allows tectonic plates to move
"The movement of magma from the asthenosphere to the Earth's surface leads to volcanic activity in regions like the Pacific Ring of Fire."
kimberlite
Noun
kimberlite, đá kimberlite
a volcanic rock that often contains diamonds, formed during explosive eruptions from the Earth's mantle, and is of particular interest in diamond exploration and mining
"Prospecting teams use geophysical methods to locate potential kimberlite pipes beneath the Earth 's surface ."
caldera
Noun
miệng núi lửa, hõm chảo núi lửa
a large, basin-shaped volcanic crater formed by the collapse of a volcano after a massive eruption
"The Aira Caldera in Japan contains the active Sakurajima volcano and forms Kagoshima Bay."
aquifer
Noun
tầng chứa nước, bể chứa nước ngầm
a layer of rock or sediment that stores and transmits groundwater
"Pollution can contaminate an aquifer, affecting water quality ."
breeder reactor
Noun
lò phản ứng tái sinh, lò phản ứng nhanh tái sinh
a type of nuclear reactor that generates more fissile material than it often consumes
"Due to its ability to produce additional nuclear fuel , a breeder reactor is seen as a promising solution for long-term energy needs ."
overhaul
Noun
đại tu, kiểm tra toàn diện
a thorough inspection and repair of a machine or system to improve its performance or extend its lifespan
"A major bridge underwent an overhaul to reinforce its structural integrity and improve overall safety ."