1. Objective To explore the relative factors of influencing CVP mensuration and the nursing. Ŀ��̽��Ӱ�����ľ���ѹ�ⶨ��������غͻ�����Ԥ��ʩ��
2. Methods 69 patients after heart operation received 1650 times CVP mensuration, then observed the changes of CVP. ������69�����������˲������ľ���ѹ1650���Σ��۲컼�����ľ���ѹ�ı仯��
3. This paper discusses deficiencies in calculational formula of hydrate thermal in mensuration of cement hydrate thermal in China and amelioration advice to test materials. ������Ҫ̽�����ҹ�Ŀǰ���õ�ˮ��ˮ���Ȳⶨ�������й�ˮ���ȼ��㹫ʽ����֮�����Լ������ò��ϵĸĽ������
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n.
1. the act or process of assigning numbers to phenomena according to a rule