barium造句

1、Any of several barium compounds, such as barium sulfate.

2、Test method for barium yield of barium flash getter

3、barium chloroplatinite

4、Test method for barium content in getter fill and getter film of barium flash getter

5、Barium as barite (barium sulfate) is used industrially as a white pigment for paint.

6、New production technology of barium fluoride and intermediate product barium fluosilicate

7、barium sulfate is radiopaque.

8、Barium vacancy existed in grain boundary is responsible for the PTCR effect observed in donor doped barium titanate ceramics.

9、The barium hydroxide was produced by the reaction of raw material barium sulfide with the copper oxide in water.

10、Manganese ores--Determination of barium oxide content

11、of or relating to or containing barium.

12、In this paper, an advanced technology is metioned. Barium Sulfate is made from barium chloride and the bittern water in Yuncheng Saline Lake.

13、Copper chloride, barium sulfate is honest, they do not lose barium chloride, copper sulfate 11 molecule, but only changed its form.

14、Barium sulfonate and barium soap of petroleum ester oxide were dissolved in kerosene or machine oil to prepare oil-soluble corrosion inhibitor.

15、The dipping of barium sulphide - black ash, the setting of yellow water (barium sulphide solution) and the treating technology of sludge and the remaking of equipment are introduced.

16、The natural barium carbonate is called witherite commonly.

17、Explain why barium forms peroxide but beryllium does not.

18、The removal efficiency of the reactor packed with barium titanate was much higher than that without barium titanate. The highest removal efficiency of benzene was 92.6% and that of toluene was 96.8%.

19、The smoke suppressing effect of organic barium salt, a product of the reaction between barium bioxide and naphthenic acid in coking gasoline, as a diesel oil additive was studied.

20、EDTMPS shows better antiscale effects to calcium sulfate and barium sulfate.

21、The preparation and doping method influences the electrical properties of barium titanate strongly.

22、Conclusion Duodenal endoscope and air barium double radiography are mainstays for the diagnosis of PTD.

23、Method Model and specimen experiments of double contrast radiography were done at different does barium(barium tide level)and all kinds of position. Double contrast radiographic signs in experiments were observed and assessed.

24、Liquid method is preferable in preparing barium strontium titanate powders with high performance.

25、The mixture of kerosene and No. 10 engine oil was used as the basic oil. Barium sulfonate and barium soap of petroleum grease oxide were used as the corrosion inhibitor, and their optimal content was 12% to 14%.

26、The said fireproof solvent consists of magnesium chloride, sodium chloride, barium chloride and ammonium bicarbonate.

27、Such, the studies on preparation of barium titanate powder and ceramics have been widely carried out nowadays.

28、Methods:1796cases(more than50years old)suffered from cholecystopathies received barium double contrast upper gastrointestinal examination or endoscopic examination.

29、Complex impendence techniques are used to analyze the humidity sensing mechanism of nanometer barium titanate humidity sensors on silicon substrate.

31、The determination of trace silicon in high-purity barium titanate by GFAAS method is studied, in which the sample is dissolved in hydrofluoric acid with high pressure seal.

32、Results118cases have used Double contrast small bowel examination with barium and air in 147cases, success rate 80.27%, aged from 14to 69, average 34.3years old.

33、Purposes x- ray characters and theraputic methods of vegetal digestive calculi Materials' and methods Using routine hypotonic gas-barium double contrast method with QD-- 3 Ⅱ type dry mixed barium solution produced by Dongfeng chemical factory in Qingdao,39 cases were examined.

34、Objective This paper introduces an improved pneumo barium double contrast examination (for the upper gastrointestinal tract) to release the pain caused by gastrointestinal series.

35、Results: the positive rate of gas-barium double contrast kinesis radiography with the observation through slow playback to discover nonage upper esophageal carcinoma is the highest.

36、Stomach disorders may have abdominal pain, but more food-related abdominal pain, jaundice rare, the use of X-ray barium meal examination and gastroscopy fiber is not difficult to identify.

37、The dielectric properties of ferroelectric materials such as barium titanate are upgraded by sintering the dry pressed shapes in a vacuum having partial air pressures of 1 to 1000 microns.

38、This article introduced the usual terms of grain size, measurement and production control for high -purity barium carbonate. it also presented some measures to control grain size in the production.

39、We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

40、In this paper, a method of making high-quality direct-heated barium tungsten cathode using a home-made simple device instead of a costly special device hydrogen oven is introduced.