查询词典 alkali

Beet alkali was synthesized from trimethylamine and chloroacetic acid .

以三甲胺及一氯乙酸为原料合成甜菜碱。

The mineral trona, a compound of sodium carbonate and bicarbonate, is one naturally occurring alkali. It may be mined or recovered from dry lake bed s.

世界上有少数地方有矿物天然碱，这种矿石为二碳酸三钠，即碳酸钠石，通常蕴藏在干湖底。

The mineral trona, a compound of sodium carbonate and bicarbonate, is one naturally occurring alkali. It may be mined or recovered from dry lake beds.

世界上有少数地方有矿物天然碱，这种矿石为二碳酸三钠，即碳酸钠石，通常蕴藏在干湖底。

The mineral trona, a compound of sodium carbonate and bi carbonate , is one naturally occurring alkali. It may be mined or recovered from dry lake beds.

世界上有少数地方有矿物天然碱，这种矿石为二碳酸三钠，即碳酸钠石，通常蕴藏在干湖底。

The mineral trona, a compound of sodium carbonate and bicarbonate, is one naturally occurring alkali. It may be mined or recover ed from dry lake beds.

世界上有少数地方有矿物天然碱，这种矿石为二碳酸三钠，即碳酸钠石，通常蕴藏在干湖底。

The mine ral trona, a compound of sodium carbonate and bicarbonate, is one naturally occurring alkali. It may be mine d or recovered from dry lake beds.

世界上有少数地方有矿物天然碱，这种矿石为二碳酸三钠，即碳酸钠石，通常蕴藏在干湖底。

Resemble such an encapsulation of can, the now available tubbing technology and equipment can only apply to small can package , do not apply to the encapsulation strengthening an alkali waiting for the large-scale product metal barrel.

象罐头这样的封装，现有制桶技术和设备只能适用小罐头包装，不适用于固碱等产品的大型金属桶的封装。

The mega crystal of Fluorphlogopite Mica produced by the company is the only domestic product, which is good at heat-resistant, anticorrosive with low loss of high frequency medium, high body resistivity, good photopenetrativity, transparence, divestivity, elasticity, unaging, infragility, etc, and mainly applied in the environment of high frequency medium, high temperature vacuum, strong acid and alkali substituting for polyquadrifluorethene, crude mica and quartz glass and other materials.

所研制的氟晶云母大晶体在国内属唯一产品，该产品是一种集耐高温、抗腐蚀、高频介质损耗低、体电阻率高、光波透过率极佳等优点于一身的新材料，并具有透明、可分剥和富有弹性、不老化、不易碎等特性。

Do not be able to bear or endure arid barren soil, avoid saline-alkali soil and ground of waterlogged be soiled, cultivated cross wet land undesirably at catchment, can cause grow decay of undesirable, root system, lamina falls off, cause death of entire individual plant finally.

不耐干旱瘠薄土壤，忌盐碱土和涝渍地，栽植于排水不良的过湿地，会造成生长不良。根系腐烂。叶片脱落，最终导致全株死亡。

But urushiol has a poor resistance to alkali because phenol hydroxyl of urushiol shows weak acidity. Meanwhile, inherent brittleness of urushiol has limited its development and application.

但是，由于漆酚的酚羟基显弱酸性，使得漆酚耐碱性较差；同时，漆酚清漆固有的脆性等也限制了其发展和应用。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。