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小张是刚工作一年的初一语文教师。在一年的工作中他工作很努力,但也有很多困惑。他说：“为了上好课,我没少花工夫。我专门买了特级教师的教学录像,细心模仿教学中的每个环节,上课几乎就是把录像中教师的教学复制到我的课堂上。可为什么同样的上课方式,我的课效果就不好呢?”请从教学方法的角度谈谈小张教学中...
Which one of the following describes what happens to the solubility of a slightly soluble ionic compound when a common ion is added to the solution? (a) The solubility of the ionic compound is reduced. (b) The solubility of...
PROBLEM TO BE SOLVED: To provide a method for producing a cellulose film, which becomes an alternative method of a prior viscose method and by which strength is imparted to the cellulose film after film formation by stretching.林 蓮貞
In order to figure out survival outcomes in this patient population, we conducted a restrospective post on patients with metastatic hormone sensitive prostate cancer with lung-only metastases. In this solitary establishment analysis, 10 patients were identified with 8 attaining an entire reaction and 2...
Which of the following describes the sodium-potassium pump? A. It is a transmembrane protein. B. It is an ATPase. C. It is an ion channel. D. A and B only. E. A, B, and C. Which of the following is not reabsorbed by the p...
An aqueous mixture consisting of starch (a colloid), NaCl, glucose, and albumin (a colloid) is placed in a dialyzing bag and immersed in distilled water. Which of the following correctly describes theSaline is a solution that contains a certain ...
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PCT/EP98/05939 describes a permeable composite material and a process for making the same. This permeable composite material is characterized by high thermal stability, but it lacks ion-conducting properties. The purpose of the present invention was to find a material which still has good ion con...
Andrean, in U.S. Pat. No. 5,205,837, issued Apr. 27, 1993, describes powder form products containing at least one synthetic melanotic pigment formed in situ by oxidation of an indole compound. The Andrean products are stated to be for use in dyeing hair. ...