Abstract: Provided is a method for feature extraction of a remote sensing image based on tensor collaborative graph discriminant analysis, including: taking each of pixels as a center for intercepting a three-dimensional tensor data block; dividing experimental data into a training set and a test set in proportion; computing a Euclidean distance between a current training pixel and each class of training data; configuring a L2 norm collaborative representation model with a weight constraint; acquiring a projection matrix of each dimension of each of the three-dimensional tensor data block; and utilizing a low-dimensional projection matrix to obtain a training set and a test set, expanding the training set and the test set into a form of column vectors according to a feature dimension, inputting extracted low-dimensional features into a support vector machine classifier for classification, to determine a class of the test set, and evaluating, by a classification effect, performance of feature extraction.

Abstract: Provided is a method for feature extraction of a hyperspectral images based on unsupervised latent low-rank projection learning, including: dividing hyperspectral images data into a training set and a test set in proportion; configuring a robust weight function, constructing a spectral constraint matrix according to the training set, and constructing a graph regularization constraint according to a locality preserving projection rule; approximately decompose row representation coefficients of a latent low-rank representation model, constructing a latent low-rank projection learning model in combination with the spectral constraint matrix and the graph regularization constraint; optimizing and solving the latent low-rank projection learning model; and outputting classes of all samples in the test set, and taking low-dimensional features of the training set as training samples of a support vector machine, to classify low-dimensional features of the test set, and evaluating, by the quality of classification resu

Abstract: A consumer product packaging kit comprising a closure (1), an outer container (2) and an inner container (3) capable of releasably engaging with and inside of the outer container (2), wherein; C) the outer container (2) comprises: a) an open mouth (21) at the top of the outer container (2), b) a shoulder (22), c) a body (23), d) an open base (24) at the bottom of the outer container (2), e) an annular extension (26) longitudinally offset from the open mouth (21), and f) an engagement structure (27); and D) the inner container (3) for containing consumer product comprises: (v) an open top end (31) releasably engaging with the annular extension (26), (vi) a side wall (32), (vii) a closed bottom end (33), and (viii) an engagement coupler (34) cooperating with the engagement structure (27).

Abstract: Provided is a device for producing ultra-low sulfur biodiesel. The device for producing ultra-low sulfur biodiesel is a two-stage processing device, comprising a two-stage purification unit, a two-stage enzyme reaction unit, a two-stage distillation unit, and a decompression rectification unit. The present invention is green and environment-friendly, effectively and completely removing sulfur-containing impurities from the raw material, eliminating the attack of a sulfur-containing group in the synthesis process on fatty acids, and providing sufficient conditions for obtaining ultra-low sulfur content methyl esters in the product section.

Abstract: Disclosed is a consumer product packaging kit comprising a closure (1), an outer container (2) and an inner container (3) capable of releasably engaging with an inside of the outer container (2), wherein the outer container (2) comprises: an open mouth (21) at the top of the outer container (2), a shoulder (22), a body (23), an open base (24) at the bottom of the outer container (2), an annular extension (26) longitudinally offset from the open mouth (21), and an engagement structure (27); and wherein the inner container (3) for containing consumer product comprises: an open top end (31) releasably engaging with the annular extension (26) to secure the inner container (3) to the outer container (2) when the inner container (3) is in a fully engaged position, a side wall (32), a closed bottom end (33), and an engagement coupler (34) cooperating with the engagement structure (27) to secure the inner container (3) to the body (23) of outer container (2) when the inner container (3) is in a fully engaged position