Numeracy is the capacity to use mathematical ideas in all facets of life.It involves activities such as adding and subtracting numbers,counting,number recognition,solving number problems involving various operations,s...Numeracy is the capacity to use mathematical ideas in all facets of life.It involves activities such as adding and subtracting numbers,counting,number recognition,solving number problems involving various operations,sorting,observing,identifying,and establishing patterns.It is one of the fundamental skills that students should have mastered by the end of their primary schooling.With the notable importance of mastery of numeracy skills,low achievement and performance of the learners were observed in this aspect.This study aimed in enhancing the numeracy skills of Grade 3 learners through authentic performance tasks.The variable in numeracy skills includes the four fundamental operations and problem solving.The quasi-experimental design was utilized wherein purposive sampling or non-randomized sampling was used.In this study,33 Grade 3 learners of Rizal Elementary School were selected to participate in the tests.Pre-test and post-test crafted by the teacher were the main instrument in the study.The result revealed that in the pre-test the learners obtained a mean percentage score(MPS)of 38.20%in four fundamental operations,which implied a non-numerate level.While in terms of problem solving,the learners obtained a MPS of 20.60%which is also in the non-numerate level.It has a grand mean of 29.40%with an interpretation of non-numerate level.In the post-test,it was observed that four fundamental operations have a MPS of 81.10%which is in average numerate level,while problem solving has a MPS of 76.30%with a grand mean of 78.70%with an interpretation of average numerate level.This implied that there is a significant difference between the pre-test and post-test in the four fundamental operations and problem solving.Thus,it can be concluded that the application of authentic performance tasks was effective to bridge the gap on numeracy skills.展开更多
The World Health Organization(WHO)2017 classifications for neuroendocrine neoplasms(NENs)subdivided grade 3 pancreatic neuroendocrine neoplasms(pNENs)into G3 well-differentiated pancreatic neuroendocrine tumors(G3 pNE...The World Health Organization(WHO)2017 classifications for neuroendocrine neoplasms(NENs)subdivided grade 3 pancreatic neuroendocrine neoplasms(pNENs)into G3 well-differentiated pancreatic neuroendocrine tumors(G3 pNETs)and poorly differentiated pancreatic neuroendocrine carcinomas(pNECs),according to the mitotic count,Ki-67 index,and cell differentiation.As a new category,G3 pNETs remain a challenging group of tumors to manage by lacking large randomized trials and consensus to support its clinical practice.Therefore,the Chinese Pancreatic Surgery Association,Chinese Society of Surgery,Chinese Medical Association gathered experts in this field to formulate this consensus for the diagnosis and treatment of G3 pNETs.展开更多
Powder charges of micron-size Ni and Al2O3were utilized to deposit nano-structured Ni-Al2O3composite coatings on analuminum plate fixed at the top end of a milling vial using a planetary ball mill.Composite coatings w...Powder charges of micron-size Ni and Al2O3were utilized to deposit nano-structured Ni-Al2O3composite coatings on analuminum plate fixed at the top end of a milling vial using a planetary ball mill.Composite coatings were fabricated using powdermixtures with a wide range of Ni/Al2O3mass ratio varying from1:1to plain Ni.XRD,SEM and TEM techniques were employed tostudy the structural characteristics of the coatings.It was found that the composition of the starting mixture strongly affects the Al2O3content and the microstructure of the final coating.Mixtures containing higher contents of Al2O3yield higher volume fractions of theAl2O3particles in the coating.Though Ni-Al2O3composite coatings with about50%of Al2O3particles were successfully deposited,well-compacted and free of cracks and/or voids coatings included less than20%(volume fraction)of Al2O3particles which weredeposited from powder mixtures with Ni/Al2O3mass ratios of4:1or higher.Moreover,mechanical and metallurgical bondings arethe main mechanisms of the adhesion of the coating to the Al substrate.Finally,functionally graded composite coatings withnoticeable compaction and integrity were produced by deposition of two separate layers under identical coating conditions.展开更多
Cruciferous vegetables belong to the plant family that has flowers with four equal-sized petals in the pattern of a crucifer cross.These vegetables are an abundant source of dietary phytochemicals,including glucosinol...Cruciferous vegetables belong to the plant family that has flowers with four equal-sized petals in the pattern of a crucifer cross.These vegetables are an abundant source of dietary phytochemicals,including glucosinolates and their hydrolysis products such as indole-3-carbinol（I3C） and 3,3＇-diindolylmethane（DIM）.By 2013,the total number of natural glucosinolates that have been documented is estimated to be 132.Recently,cruciferous vegetable intake has garnered great interest for its multiple health benefits such as anticancer,antiviral infections,human sex hormone regulation,and its therapeutic and preventive effects on prostate cancer and high grade prostatic intraepithelial neoplasia（HGPIN）.DIM is a hydrolysis product of glucosinolates and has been used in various trials.This review is to provide an insight into the latest developments of DIM in treating or preventing both prostate cancer and HGPIN.展开更多
文摘Numeracy is the capacity to use mathematical ideas in all facets of life.It involves activities such as adding and subtracting numbers,counting,number recognition,solving number problems involving various operations,sorting,observing,identifying,and establishing patterns.It is one of the fundamental skills that students should have mastered by the end of their primary schooling.With the notable importance of mastery of numeracy skills,low achievement and performance of the learners were observed in this aspect.This study aimed in enhancing the numeracy skills of Grade 3 learners through authentic performance tasks.The variable in numeracy skills includes the four fundamental operations and problem solving.The quasi-experimental design was utilized wherein purposive sampling or non-randomized sampling was used.In this study,33 Grade 3 learners of Rizal Elementary School were selected to participate in the tests.Pre-test and post-test crafted by the teacher were the main instrument in the study.The result revealed that in the pre-test the learners obtained a mean percentage score(MPS)of 38.20%in four fundamental operations,which implied a non-numerate level.While in terms of problem solving,the learners obtained a MPS of 20.60%which is also in the non-numerate level.It has a grand mean of 29.40%with an interpretation of non-numerate level.In the post-test,it was observed that four fundamental operations have a MPS of 81.10%which is in average numerate level,while problem solving has a MPS of 76.30%with a grand mean of 78.70%with an interpretation of average numerate level.This implied that there is a significant difference between the pre-test and post-test in the four fundamental operations and problem solving.Thus,it can be concluded that the application of authentic performance tasks was effective to bridge the gap on numeracy skills.
基金supported by the National Natural Science Foundation of China(Grant No.82141104)National Natural Science Foundation of China(Grant No.82141102)Chinese Academy of Medical Sciences(CAMS)Innovation Fund for Medical Sciences(Grant No.2021-I2M-1-002).
文摘The World Health Organization(WHO)2017 classifications for neuroendocrine neoplasms(NENs)subdivided grade 3 pancreatic neuroendocrine neoplasms(pNENs)into G3 well-differentiated pancreatic neuroendocrine tumors(G3 pNETs)and poorly differentiated pancreatic neuroendocrine carcinomas(pNECs),according to the mitotic count,Ki-67 index,and cell differentiation.As a new category,G3 pNETs remain a challenging group of tumors to manage by lacking large randomized trials and consensus to support its clinical practice.Therefore,the Chinese Pancreatic Surgery Association,Chinese Society of Surgery,Chinese Medical Association gathered experts in this field to formulate this consensus for the diagnosis and treatment of G3 pNETs.
文摘Powder charges of micron-size Ni and Al2O3were utilized to deposit nano-structured Ni-Al2O3composite coatings on analuminum plate fixed at the top end of a milling vial using a planetary ball mill.Composite coatings were fabricated using powdermixtures with a wide range of Ni/Al2O3mass ratio varying from1:1to plain Ni.XRD,SEM and TEM techniques were employed tostudy the structural characteristics of the coatings.It was found that the composition of the starting mixture strongly affects the Al2O3content and the microstructure of the final coating.Mixtures containing higher contents of Al2O3yield higher volume fractions of theAl2O3particles in the coating.Though Ni-Al2O3composite coatings with about50%of Al2O3particles were successfully deposited,well-compacted and free of cracks and/or voids coatings included less than20%(volume fraction)of Al2O3particles which weredeposited from powder mixtures with Ni/Al2O3mass ratios of4:1or higher.Moreover,mechanical and metallurgical bondings arethe main mechanisms of the adhesion of the coating to the Al substrate.Finally,functionally graded composite coatings withnoticeable compaction and integrity were produced by deposition of two separate layers under identical coating conditions.
文摘Cruciferous vegetables belong to the plant family that has flowers with four equal-sized petals in the pattern of a crucifer cross.These vegetables are an abundant source of dietary phytochemicals,including glucosinolates and their hydrolysis products such as indole-3-carbinol（I3C） and 3,3＇-diindolylmethane（DIM）.By 2013,the total number of natural glucosinolates that have been documented is estimated to be 132.Recently,cruciferous vegetable intake has garnered great interest for its multiple health benefits such as anticancer,antiviral infections,human sex hormone regulation,and its therapeutic and preventive effects on prostate cancer and high grade prostatic intraepithelial neoplasia（HGPIN）.DIM is a hydrolysis product of glucosinolates and has been used in various trials.This review is to provide an insight into the latest developments of DIM in treating or preventing both prostate cancer and HGPIN.
