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颁布单位：[University of Alberta] |
颁布时间：1991 |
实施时间：1991 |
学科分类：[Manganese--Toxicology, Wheat--Effect, of, manganese, on, Wheat--Effect, of, soil, acidity, on]
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颁布单位：[University of Alberta] |
颁布时间：1991 |
实施时间：1991 |
学科分类：[Lodgepole, pine--Seedlings--Effect, of, stress, on, Lodgepole, pine--Seedlings--Water, requirements, Lodgepole, pine--Seedlings--Quality, Crops, and, nitrogen]
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颁布单位：[University of Alberta] |
颁布时间：1991 |
实施时间：1991 |
学科分类：[Microwave, devices--Noise--Effect, of, temperature, on, Microwave, devices--Noise--Measurement, Microwaves--Scattering--Measurement]
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颁布单位：[University of Alberta] |
颁布时间：1991 |
实施时间：1991 |
学科分类：[Herbicides, Thiaspi--Effect, of, herbicides, on]
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颁布单位：[University of Alberta] |
颁布时间：1991 |
实施时间：1991 |
学科分类：[Soils--Manganese, content, Wheat, Soil, acidification, Plants--Effect, of, manganese, on]
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颁布单位：[University of Alberta] |
颁布时间：1991 |
实施时间：1991 |
学科分类：[Memory, in, children, Reading, comprehension--Effect, of, illustration, of, books, on, Reading, (Secondary)]
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颁布单位：[University of Alberta] |
颁布时间：1991 |
实施时间：1991 |
学科分类：[School, principals--Alberta--Rating, of, Teacher, participation, in, administration, Teacher-principal, relationships, Leadership--Effect, of, teacher-principal, relationships, on, Teaching--Effect, of, school, administrators, on]
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颁布单位：[University of Alberta] |
颁布时间：1991 |
实施时间：1991 |
学科分类：[Nifedipine, Calcium, channels--Effect, of, drugs, on, Dihyropyridine]
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颁布单位：[University of Alberta] |
颁布时间：1991 |
实施时间：1991 |
学科分类：[Families--Effect, of, autistic, children, on, Autistic, children, Autism]
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颁布单位：[University of Alberta] |
颁布时间：1991 |
实施时间：1991 |
学科分类：[Personality, assessment, of, children, Academic, achievement--Effect, of, personality, in, children, on, Personality, and, intelligence, Personality, in, children]
效力级别
1991
