ideological and theoretical qualities and practical working ability, and strive to build a contingent of league cadres with positive work style and high quality. Hold a regular meting of the party secretary every fortnightly, arrange the work of the regiment, fedback the student information. Focus on training junior high school, junior high school secretary of the regiment branch to enable them to raise A firm political conviction, diligent and diligent learning spirit and practical and innovative work style.汽化和液化、升华和凝华一、汽化： 汽化的两种方式： （1） （2） 1．沸腾： ▲探究水沸腾时温度变化的特点：（1）实验器材：铁架台、 、火柴、石棉网、烧杯、 中心有孔的纸板、 、水、 。（2）实验装置：（3）实验步骤：① 按装置图安装实验仪器；② 用酒精灯给水加热并观 察；③ 当水温接近 90℃时每隔 1min 记录一次温度，并观察水的沸腾现象。④ 完成水沸腾时温度和时间关系的曲线。（4）实验现象： 的汽化现象，大量的气泡上升、变大，到水面破裂，里面的水蒸气散发到空气中。虽继续加热，它的温度 。2.蒸发： ▲影响蒸发快慢的因素：（1） （2） （3） 3.蒸发和沸腾的异同： 汽化方式蒸发沸腾Strengthen the team connection, strengthen the knowledge education among the students (especially the first grade students), and promote the formation of good school spirit with the influence of the league members. All League branches should start with recommending outstanding students as the development objects of the League, take amateur league schools as the basis, conscientiously do a good job in the work of pre-league education, league membership education, League members' vanguard exemplary consciousness education, excellent league members' education, etc. Under the premise of ensuring the quality, the development quantity of league members will increase steadily, and the ranks of league members in middle sc...
