hrd
Word Rarity
Very rare
Frequency: Zipf frequency 2.43 in modern English
7
Scrabble Score
3
Letters
1
Syllables
3
Unique Chars
Meaning
noun
Abbreviation of hardness on Rockwell scale D.
name
Initialism of Huanghe River Delta (= Yellow River Delta): a geographic region of China, on the Yellow River/Huanghe, at its delta regions by the Shandong Peninsula, on the Bohai Sea and Yellow Sea, marginal seas of the Pacific Ocean.
Example Sentences
- "The Huanghe River Delta (HRD) has rich resources and is being developed on a large[…]On the basis of analyzing the characteristics of environment and resources in the HRD, this[…]"
- "Spatial differentiation and dynamic changes in micro-geomorphology were studied based on acoustic data interpretation from a wide range (3 200 km2) of the Huanghe (Yellow) River delta (HRD).[…]There were seven typical micro-geomorphologic features in the shallow and surface areas of the HRD, including buried ancient channels, stratigraphic disturbances, scour troughs, sand waves, pits, erosional remnants, and sand spots.[…]From the perspective of acoustic profile interpretations, the scale, range, and spatial locations of the micro-geomorphology in the HRD revealed seasonal variation characteristics, and the spatial distributions displayed significant regional differentiation characteristics."
- "Fine-grained silt is widely distributed in the Huanghe River Delta (HRD) in China, and the sedimentary structure is complex, meaning that the clay content in the silt is variable.[…]To analyse the strength properties of surface sediments in the HRD, this paper evaluated the friction angle and its inversion formula through the CPTu penetration test and monotonic simple shear test and other soil unit experiments."