![Loading...](https://link.springer.com/static/c4a417b97a76cc2980e3c25e2271af3129e08bbe/images/pdf-preview/spacer.gif)
-
Article
Research and Application of Windowing for High-Grade Steel Thick-Wall Casing in Ultradeep Wells
Windowing processes in ultradeep wells (> 7000 m) with high steel grade (TP155V) and thick-wall (15.83 mm) casing not only face complex underground environments with high temperature and pressure but also have...
-
Article
Numerical Simulations of Heat Transfer Performance of Taylor–Couette Flow in Slit Model
A partially averaged Navier–Stokes model is used to simulate the fluid field in the coaxial cylindrical gap, and the reliability of numerical simulation is verified by comparing with the particle image velocim...
-
Article
Preparation of Rapid-Hardening, Early-Strengthening, High-Density Composite Cement Based on Dinger–Funk Equation
This paper develops a new numerical analysis method to achieve rapid-hardening, early-strengthening, high-performance cement-based composite material preparation based on the Dinger–Funk equation of the closes...
-
Article
Superconductivity at 7.8 K in the ternary LaRu2As2 compound
Here we report the discovery of superconductivity in the ternary LaRu2As2 compound. The polycrystalline LaRu2As2 samples were synthesized by the conventional solid state reaction method. Powder X-ray diffraction ...
-
Article
Big Earth Data from space: a new engine for Earth science
Big data is a strategic highland in the era of knowledge-driven economies, and it is also a new type of strategic resource for all nations. Big data collected from space for Earth observation—so-called Big Ear...
-
Article
Reducing the climate shift in a new coupled model
Climate drift refers to spurious long-term changes that may be inherent in coupled models when external forcing factors are fixed. Understanding the sources of this drift and tuning the drift are crucial for o...
-
Article
The bright star survey telescope for the planetary transit survey in Antarctica
Transiting extrasolar planets (exoplanets), especially those orbiting bright stars, are desired for study of the diversity of planetary compositions, internal structures and atmospheres beyond our solar system...
-
Article
Method for improving illumination instability of organic–inorganic halide perovskite solar cells
Organohalogen perovskites are attracting considerable attention for use in solar cells. However, the stability of these devices will determine whether they can be made commercially viable. Device encapsulation...
-
Article
PAA-capped GdF3 nanoplates as dual-mode MRI and CT contrast agents
Aiming at improving the sensitivity and accuracy of diagnosis, the combination of magnetic resonance imaging (MRI) and X-ray computed tomography (CT) in a single probe is in urgent need. Here, we report the de...
-
Article
Multiuser-to-multiuser entanglement distribution based on 1550 nm polarization-entangled photons
Telecom-band polarization-entangled photon-pair source has been widely used in quantum communication due to its acceptable transmission loss. It is also used in cooperation with wavelength-division multiplexin...
-
Article
Progress of electrode/electrolyte interfacial investigation of Li-ion batteries via in situ scanning probe microscopy
The electrode/electrolyte interface plays a critical role in the performance of a Li-ion battery. In view of the dynamic and complex nature of the interface, in situ research approaches can provide valuable i...
-
Article
Retrieval of column-averaged volume mixing ratio of CO2 with ground-based high spectral resolution solar absorption
The total column-averaged volume mixing ratio of atmospheric carbon dioxide ( \( {\text{X}}_{{{\text{CO}}_{ 2} }} \)
-
Article
Observation of mega-dune evaporation after various rain events in the hinterland of Badain Jaran Desert, China
The formation mechanisms of the mega-dunes and lakes in the hinterland of Badain Jaran Desert, China, is the focus of extensive academic research in the field of geoscience, and an often debated topic is wheth...
-
Article
A high-sensitive detection method for carvone odor by implanted electrodes in rat olfactory bulb
Mammalian olfactory systems have extraordinary ability to sense and identify various trace odorants. Taking advantages of cell culture and micro-fabrication technologies, olfactory cell- or tissue-based biosen...
-
Article
Open AccessOverexpression of N-cadherin is correlated with metastasis and worse survival in colorectal cancer patients
N-cadherin is related to the progression and metastases of several solid carcinomas. However, it was still unclear whether N-cadherin is overexpressed in colorectal malignant tumors that have stronger malignan...
-
Article
Open AccessSynchronous drying and cooling in central Asia during late Oligocene
Aridification of central Asia during late Oligocene and Early Miocene has been documented by numerous eolian records from the North Pacific and central Asia. However, direct evidence of aridity from the interi...
-
Article
Open AccessProgress of AFM single-cell and single-molecule morphology imaging
Atomic force microscopy (AFM) can probe single living cells and single native membrane proteins in natural fluid environments with label-free high spatial resolution. It has thus become an important tool for c...
-
Article
Open AccessThermoelectric properties of tungsten ceramics prepared from nanopowder precursors
Tungsten trioxide ceramics were prepared from nm-sized powder precursors. Thermoelectric properties of samples were investigated. The results demonstrated that ceramics prepared in this manner have improved el...
-
Article
Open AccessChinese deserts and sand fields in Last Glacial Maximum and Holocene Optimum
The Last Glacial Maximum (LGM, c. 26-16 ka) and the Holocene Optimum (HO, c. 9-5 ka) were characterized by cold-dry and warm-wet climates respectively in the recently geological Earth. How Chinese deserts and ...
-
Article
Open AccessDiscrimination of signal oscillations in the in vitro olfactory bulb with microelectrode array
The aim of the present study was to investigate the electrophysiological characteristics of the different layers of the olfactory bulb (OB). We used an in vitro OB slice coupled onto a microelectrode array (MEA) ...