|
已读[286]
发布： 2013/07/07 23:44:17
Politics Daily In a presentation at a neurotoxicology conference in Portland, Ore., earlier this month, Palur G. Gunasekar, a senior scientist with the Navy Environmental Health Effects Laboratory, said that dust kicked up in sandstorms contains manganese and other ...
|
|
|
|
|
已读[257]
发布： 2013/07/07 23:44:12
eMaxHealth All of these act as antioxidants and anti-inflammatory compounds in the body, offering a wide range of health benefits. ... Blueberries are rich in manganese and vitamin C, two nutrients that may help prevent depression symptoms. Manganese is a mineral ...
|
|
|
|
|
已读[290]
发布： 2013/07/07 23:44:08
Explorer News Nitrogen, phosphorous, potassium, calcium, sulfur, magnesium, iron, manganese , zinc, boron, copper, molybdenum, and chlorine are taken in from the soil. ... Always read and follow label directions for any chemical compound , and this includes fertilizer.
|
|
|
|
|
已读[275]
发布： 2013/07/07 23:44:03
Oil & Gas Journal For example, one such study included 11,262 baseline water samples from northeastern Pennsylvania water wells.5 It found that many compounds (arsenic, iron, manganese , lead) occur at background concentrations that exceed secondary maximum ...
|
|
|
|
|
已读[260]
发布： 2013/07/07 23:43:59
Energy and Environmental Management (EAEM) Magazine It works by using advanced object recognition technology, which can identify waste portable batteries from D-size to button cells and sort them into fractions based on their different compounds such as alkaline, Ni-MH, Ni-Cd and lithium. By identifying ...
|
|
|
|
|
已读[262]
发布： 2013/07/07 23:43:38
Patch.com To rid their product of its natural iron-green tinge, 19th- and early 20th-century glassmakers turned to manganese . The naturally occurring metal clarifies the glass, cancelling out the effects of ... red glass in the ocean, and thus less on the beach ...
|
|
|
|
|
已读[259]
发布： 2013/06/16 16:12:04
Science Codex The peptide is a compound derived from the protein ADNP, which regulates more than 400 genes and is essential for brain formation, memory, and behavior. Prof. Gozes and her team of researchers, including Dr. Yan Jouroukhin and ... To determine the ...
|
|
|
|
|
已读[350]
发布： 2013/06/15 22:05:07
锰的化合物,锰元素及其化合物有很多的应用,现在具体和小编一起来了解一些常见的。 锰(Manganese) 元素符号Mn,原子序数25,原子量54.94,外围电子排布3d54s2,位于第...
|
|
|
|
|
已读[336]
发布： 2013/06/15 22:04:46
猛的危害,锰是一种灰色硬而脆的金属。常见的锰化合物有二氧化锰、四氧化三锰、氯化锰、硫酸锰、铬酸钙、碳化锰、醋酸钙和高锰酸钾等。锰及其化合物的烟雾和粉尘...
|
|
|
|
|
已读[336]
发布： 2013/06/15 22:04:19
二氧化锰可用于制造干电池和涂料;在搪瓷、玻璃釉药、陶瓷等方面做黑色或紫色颜料;在橡胶工业中用作催化剂;加在含铁玻璃中可去掉绿色;还可制锰化合物。软锰矿一种...
|
|
|
« 上一页 |
查看结果41-50共153
|
下一页 »
|
|
