the formulation of ketoconazole gel, the effect of ethylparaben is (
)
A: Antioxidants
B: Preservatives
C: Oil
soluble matrix
D: Moisturizer
举一反三
- Properties of X-ray include:() A: Penetrating<br/>effect: B: Fluorescent<br/>effect: C: Sensitization<br/>effect: D: Ionization<br/>effect: E: All<br/>of above
- In<br/>an auxiliary diesel engine bypass type lubricating oil system, the<br/>main oil pump forces ____. A: all<br/>of the oil used by the engine through a filter B: some<br/>of the oil used by the engine through a filter C: some<br/>of the oil used by the engine through a centrifuge D: all<br/>of the oil used by the engine through a centrifuge
- 非组蛋白又称为序列特异性结合蛋白，可以通过( ) 法进行检测。[br][/br][br][/br][br][/br] A: Southern 印迹 B: Northern 印迹 C: Gel阻滞 D: 斑点杂交
- The major compensatory pathway in acute metabolic acidosis is () A: Buffer<br/>effect of cells. B: Respiratory<br/>regulation. C: Buffer<br/>system in the blood. D: Renal<br/>regulation. E: Buffer<br/>effect of bones.
- <br/>The major compensatory pathway in acute metabolic acidosis is () A: Buffer<br/>effect of cells. B: Respiratory<br/>regulation. C: Buffer system in<br/>the blood. D: Renal regulation. E: Buffer effect of<br/>bones.
内容
- 0
行排式二维条码有()。 A: PDF417 B: QR<br/>Code C: Data<br/>Matrix <br/>D<br/>Maxi Code
- 1
(Table: Oil Output) Refer to the table. The equilibrium outcome is:()Iran National Oil (profit in millions)Restrict Oil OutputExpand Oil OutputIraq National Oil Restrict Oil Output$78, $78$60, $89(profit in millions)Expand Oil Output$89, $60$65, $65 A: $78,<br/>$78. B: $65,<br/>$65. C: $89,<br/>$60. D: $60,<br/>$89.
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In TLC identification, the activation condition of silica gel thin<br/>layer plate is ____. A: 110℃<br/>bake for 30min B: 210℃<br/>bake for 30min C: 310℃<br/>bake for 30min D: 410℃<br/>bake for 30min
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One function provided by a hydraulic accumulator is to______. A: provide<br/>an area where air can separate from the oil B: provide<br/>an area to separate solid contaminants from the oil C: act<br/>as an oil and water separator D: absorb<br/>shocks occurring in the system
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用R语言创建一个两行三列,1到6共6个数值的矩阵,正确的代码为( ) A: matrix(1:6,<br/>ncol=3, nrow=2) B: matrix(2,<br/>3,1:6 ) C: matrix(1:6,<br/>col=3, row=2) D: matrix(1:6,<br/>3:2)