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"Periodic Law of Elements and Periodic Table of Elements" Atomic Structure Periodic Law of Elements PPT (Lesson 1 Periodic Law of Elements)
下载 789 次
2023-09-25 17:33:57
"Sulfur and Its Compounds" Important non-metallic elements in chemical production PPT (Test of sulfate ion in lesson 2)
下载 812 次
2023-09-25 17:34:00
"Chlorine and its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 2 Laboratory preparation method of chlorine gas and test of chloride ions)
下载 589 次
2023-10-05 09:46:46
"Chlorine and its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 2 Laboratory preparation method of chlorine and test of chloride ions)
下载 845 次
2023-09-25 18:21:26
"Meiosis and Fertilization" PPT on the relationship between genes and chromosomes (Lesson 1: The concept of meiosis and the formation process of sperm)
下载 925 次
2023-09-20 15:21:37
"Mendel's Pea Hybrid Experiment (1)" Discovery of Genetic Factors PPT (Verification of the explanation of segregation phenomena and the law of segregation in Lesson 2)
下载 291 次
2023-09-20 15:21:38
"Mendel's Pea Hybrid Experiment (2)" Discovery of Genetic Factors PPT (Cross Experiment Process and Explanation of Two Pairs of Relative Characters in Lesson 1)
下载 931 次
2023-09-20 15:21:38
"Micro Project Iodine Extraction from Kelp and Bromine Extraction from Seawater - Experience the Practical Application of the Gradient Law of Element Properties" Periodic Law of Atomic Structure Elements PPT
下载 837 次
2023-09-25 17:33:56
"Mendel's Pea Hybrid Experiment (1)" Discovery of Genetic Factors PPT (Cross Experiment Process and Explanation of a Pair of Relative Characters in Lesson 1)
下载 541 次
2023-09-20 15:21:38
"Mendel's Pea Hybrid Experiment (1)" PPT courseware on the discovery of genetic factors (verification of the explanation of segregation phenomena and the law of segregation in the second lesson)
下载 884 次
2023-10-05 09:44:46
"Mendel's Pea Hybrid Experiment (2)" Discovery of Genetic Factors PPT (Verification of the explanation of free combination phenomena and the law of free combination in Lesson 2)
下载 480 次
2023-10-05 09:44:46
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