硫化不良 的英文怎麼說
中文拼音 [liúhuàbùliáng]
硫化不良
英文
bad cure-
The quality of furan sand castings is usually better than clay sand castings, however, some defects are also very easy take place with furan sand castings such as blow hole, metal penetration, veining, cracking, slag inclusion, hardness too low, surface recarburation, surface sulphuration, nodularity degeneration etc, which were usually caused by improper raw materials selection, improper method design, incorrect moulding or / and core - making
摘要呋喃樹脂砂鑄件質量一般比黏土砂鑄件好，但如果原材料選擇、工藝設計、造型和制芯操作不當，也會產生氣孔、粘砂、脈紋、裂紋，夾渣、硬度不足、滲碳、滲硫和球化不良等鑄造缺陷。These suggested that so2 may affect body immunity to a certain degree. ( 3 ) effects on mouse thymus of so2 challenge : he staining showed no obvious structure changes of thymus in all treatment groups compaired with the control group ; the ultrastructure of thymus can be seen injured in so2 treated groups from tem observation
（ 3 ）二氧化硫染毒對小鼠胸腺組織學結構影響較小：用透射電鏡觀察發現胸腺組織中有部分淋巴細胞變形且異染色質增多，胸腺上皮細胞中可見次級溶酶體增多，線粒體變形，這說明二氧化硫可能對中樞免疫器官也有一定的不良影響。Problems with levels of ammonia, nitrates, nitrites, hydrogen sulfate, acidity and alkalinity, lack of dissolved oxygen in the water, hard water, and abrupt changes in temperature
繁殖育苗池內水質不良，如：氨硝酸亞硝酸化合物硫化氫酸鹼度溶氧不足硬水及水溫劇變等。
分享友人