经防冻试验结果表明，随着蜂胶含量的增高，防冻效果越好。
喷管内极短的滞留时间不会形成水合物，亦不需添加防冻剂。
一种太阳能热水器系统装置，它由真空太阳能吸收器、电辅助加热装置、节水防冻装置构成。
用来简易的测量防冻液或冷却剂中乙烯、乙二醇浓度及其冰点。
1·Traditional antifreezing fluid has some substances bad for body or environment, so that its application is limited.
传统防冻液含有对人体和环境有害的物质，因而应用范围受到限制。
2·WZ405 coolant detector is used to simply measure the density and freezing point of ethylene and ethanediol in antifreezing fluid or coolant.
用来简易的测量防冻液或冷却剂中乙烯、乙二醇浓度及其冰点。
3·By adding a specific additive, a new antifreezing fluid used in automobile which is good for 6 metals protection has been developed.
通过添加某种特效添加剂，研制了一种新型的对6种金属具有较好防腐性的汽车防冻液。
1·The suitable percent of the sodium nitrite as antifreezing agent was obtained.
得到了亚硝酸盐钠作为防冻剂的最佳掺量。