Learn all 26 letters of the alphabet with Blippi while he opens the ABC boxes with letters o...

Blippi helps children‘s understanding of the world and encourages vocabulary development. Blippi loves visiting exciting places such as children’s museums and the zoo! He loves singing, …

Blippi shows you the ice cream truck while making it educational. This compilation of educational videos for toddlers of Blippi videos will keep your child educated and entertained for 1.5 hours....

Come join me on adventures and learn new things as we make the world our playground. We'll go on incredible journeys to faraway places.

Blippi Wonders is an animated series that answers kids’ questions while encouraging laughter, fun, and adventure. Kids get to sing, play, dance, and learn about the world around them in …

异戊烯基焦磷酸是一种化学物质，固醇类或多 萜类化合物 生物合成的前体中间代谢物，由 甲羟戊酸 激活后脱羧而产生。 低温下为白色结晶固体，室温下为无色液体。 为游离基型引发剂，用 …

Blippi helps children‘s understanding of the world and encourages vocabulary development. Blippi loves visiting exciting places such as children’s museums and the zoo! He loves singing, …

Blippi is excited to play in the pool with friends, but needs to learn about important pool safety. Enjoy this compilation of the best Blippi episodes and educational videos for kids! For more …

2017年7月2日 · 在等规聚丙烯（iPP）中制备的β晶体具有优良的韧性，目前，制备高浓度β晶体最高效便捷的方法是在制备体系中加入β成核剂（β-NA）。 但是，实际情况是，在iPP和β-NA的 …

Busico等利用C2对称的锆催化剂催化合成了二嵌段共聚物PE-b-iPP。 实验结果表明，该催化剂通过β-氢消除，使链生长受限，结构简单，其中iPP嵌段被证明是显著有规立构的。