Nanjing University of Technology

Suzhou Rainmed Medical Technology Co., Ltd.

Sika Technology Ag

Nanjing University

Hohai University

Lin Chen

Guangzhi Liu

Zhiyuan Wang

Wei Dai

Song Deng

Weiqiang Zhou

Yanhui Li

Xiaodong Shen

Suhua Ma

Xuerun Li

Bohai Ji

Zhongqiu Fu

Faxiang Xie

Bo Zheng

Yong Huo

Yanjun Gong

Tieci Yi

Jianping Li

Chao Yu

Jiali Zhu

Jianghong Liu

Zhi Wang

PCE-type copolymers in powder form can be obtained by spry-drying and are easily re-dispersed in water. The fineness and the anti-caking properties of said PCE-type copolymers in powder form, as well as their water reduction potential and influence on slump life are improved. A production process of said PCE-type copolymers in powder form is by a spray-drying method, and PCE-type copolymers can be used for the improvement of mineral binder compositions and especially dry mortars.

High water reduction powder preparation for dry mortar

The present disclosure provides a method for correcting a resting blood flow velocity on the basis of an interval time between angiogram images, comprising: acquiring, in an angiography state, an average blood flow velocity Vfrom a coronary artery inlet to a distal end of a coronary artery stenosis (S); acquiring a time difference Δt between start times of two adjacent bolus injections of contrast agent (S); obtaining a correction coefficient K according to the time difference Δt (S); obtaining a resting blood flow velocity Vaccording to the correction coefficient K and the average blood flow velocity V(S), as well as an apparatus configured for implementing the above method. The disclosure obtains the resting blood flow velocity Vaccording to the correction coefficient K and the average blood flow velocity V.

Method and apparatus for correcting blood flow velocity on the basis of interval time between angiogram images

A deep learning-based Java program internal annotation generation method and system is provided. The method includes acquiring items with a Stars number ranked in the top, and extracting corresponding internal annotations and method statement lists; obtaining an <annotation, target code> pair; selecting an annotation in a Verb-dobj form; obtaining a code context associated with a target code segment; preprocessing the annotation, the target code, and the context to obtain a triplet dataset; randomly dividing the constructed dataset into a training set, a validation set, and a test set, and constructing an encoder-decoder network at the same time; enabling the training set in division to be used for model training, performing evaluation on the validation set to obtain a model with the best effect on the validation set as a target model; and predicting data in the test set with the obtained target model to generate a predicted annotation.

Deep learning-based java program internal annotation generation method and system

A method, device and system for calculating a microcirculation indicator are provided. A method includes: injecting a vasodilator and subjecting a blood vessel to be measured to coronary angiography; selecting at least one angiographic image of a first body position when the blood vessel to be measured is in a resting state and an angiographic image of a second body position when the blood vessel to be measured is in a dilated state; obtaining a three-dimensional coronary artery vascular model by three-dimensional modeling; injecting a contrast agent, and obtaining time Ttaken for the contrast agent flowing from an inlet to an outlet of the segment of blood vessel and time Ttaken for the contrast agent flowing from an inlet to an outlet of the segment of blood vessel; obtaining the microcirculation indicator.

Method, device and system for calculating microcirculation indicator based on image and pressure sensor

An electromagnetic multiaxial fatigue testing machine includes a test piece fixing platform and an electromagnet loading mechanism arranged on a frame, wherein the electromagnet loading mechanism includes a first loading device for bend loading, and a second loading device for axial and torsional loading. The first loading device includes a first permanent magnet and a first electromagnet with a direction of a magnetic force generated therebetween is orthogonal to an axial direction of a test piece; the second loading device includes a second permanent magnet and a second electromagnet mounted on a swinging pair with a direction of a magnetic force generated therebetween is parallel to the axial direction of the test piece.

Electromagnetic multiaxial fatigue testing machine

The present invention relates to a process of controlling crystal form of Alite in Portland cement clinker, wherein the said Portland cement clinker is thermally treated in order to change the crystal form of Alite in Portland cement clinker, so as to improve performance of resulting Portland cement clinker. The said process of present invention is easy and feasible.

Process for controlling a crystal form of alite in portland cement clinker

A method for secondarily synthesizing calcium sulphoaluminate mineral in Portland cement clinker is provided. The method includes adding gypsum into raw Portland cement, calcination, then heating twice to re-form calcium sulphoaluminate mineral that has decomposed at high temperature in the clinker. This method can increase the content of calcium sulphoaluminate mineral in the clinker. As a result, the advantages of the calcium sulphoaluminate mineral in the clinker may be obtained, such as improvement of the early stage performance and long-term performance of the cement clinker and increase in the quantity of mixture in the cement.

Secondary synthetic method for calcium sulphoaluminate mineral in Portland cement clinker

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Jiangsu, China

Lin Chen